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How To Make A Inexpensive Wood Solar Panel Help Frame

Think there is only a single way to set up solar panels for your home or business? One particular of the most common types of solar panel mounts observed and advisable today are roof mounts. Mounts are utilized to attach solar panels to the roof, ground, or another surface on your property. In a lot of cases, a particular panel manufacturer will also give the rack mount specifically for their panels. A simple roof inspection can help you determine no matter whether the further weight of solar panels are a viable selection for your residence. With all the troubles with tilt frames with further spacing and shadows and so on, I was considering of going with lying them flat. Most residential PV systems are mounted on roofs. The sturdy pipes in triangulation offer an exceptional supporting frame with a small give to supply some flexibility for these inadvertent bumps and knocks. It actually makes everything worth it since the whole point of getting solar is to make as significantly power as feasible with totally free energy from the sun. Canadian Solar – 1 of the ideal values for solar panels. As many men and women are nervous about roof penetrations on a flat roof, these south-facing ballasted systems can enhance your yield if you have got plenty of roof space, without penetrating your climate proofing. When we originally place together our electrical program we purchased Renogy’s 400-watt MPPT solar kit , which comes with 4 one hundred-watt panels. So, even though on paper, the two varieties of panels may create the identical quantity of energy, this advantage implies ground panels typically receive more sunlight, allowing them to create far more power, saving far more money. What most individuals never recognize is every set of solar panels stand legs are made to be utilized with one panel only. Solar trackers can assist salvage those hours when the sun just is not shining straight on the panels like it needs to be. Some of the panels have a constructed-in angle-adjustment, allowing you to get the optimal angle for gathering sunlight throughout the year and improving your solar sun number score in accordance. I typically use one hundred-watt solar panels with my solar generators and every single solar panel generally about 22 inches wide. Roof mounts have a tendency to be the least expensive way to mount your solar technique since they take advantage of your current roof structure to supply a foundation for your panels. ten. The floating assistance structure of claim 9, wherein mentioned mooring line segments are splayed radially to supply resistance for loading in the East- West path and to provide torsional stability of the array, and further which includes anchor components comprising one or much more concrete deadman, a ground anchor, a pile, or any mixture thereof. The only situation i can believe of is that the installer may not like the concept to keep away from complaint if the panel may not secured since the panel owner keep making alterations to the tilt angle more than time. The steep angle of pole mounts naturally aids snow removal, as the weight of the snow causes it to naturally slide off the face of the panels. From Solar Panel Parts to aluminum solar panel frames, Johnson Brother’s has a solution for your Solar Panel Frame requirements. You will of course want sufficient tools for creating your personal solar panels. 8. The floating support structure of claim 1, wherein stated mooring and anchoring method contains a plurality of continuous lines threaded by way of running pulleys attached so said array, thereby delivering a continuous tension force in mentioned continuous mooring lines, wherein lateral wind load forces imposed on the array are usually continual in magnitude and differ in path based on the geometry of stated mooring lines. Many ground mounts are designed to hold the panels at a fixed angle all year round, which indicates that the panels won’t run at full efficiency throughout the year. The kinematics of a continuous mooring line running by means of pulleys and the design and style approach are similar to the above-water mooring application except that in the occasion of water level rising and full wind load on the array, the array tends to be pulled down into the water at the array help points. Generally, ground mount solar panels cost a bit more than rooftop solar on a per-watt basis since of extra labor and permitting that might be required for the installation. We are assuming for this installation that the panels will be installed side-by-side in a portrait orientation. Whether you are acquiring or generating solar cells, make confident that you have more cells than planned for the solar panel you are producing as solar cells are naturally quite fragile and some could even be broken, so you will want to have a backup.

Two rows of solar panels would demand 4 rails… unless you happen to be making use of a shared rail system. Panel output is rated at a cell temperature of 25 degree Celcius STC (Regular Test Conditions) and every single degree above this slightly reduces energy output. Our Mounting Frames are Aluminium and are anodised to make positive your panels stay neatly and safely secured. Supplied with marine-grade steel mount frames capable to withstand the harshest conditions at sea. For instance, a solar frame will differ in strength primarily based on its intended use and the weight of the panels it will hold. We generally pair these with the Quick Mount QBase low slope flashings , which are code compliant for flat or low-slope roofs. If you have enough space available, you can mount your panels in a specially engineered rack structure affixed to the ground. We have a variety of ground, roof and pole mount solar panel support frame for the PV modules. There is a lot of shade on the north side of the roof, so the panels will go toward the southern side of the home and carport. To lift your array off the ground, you can also mount your panels on the top of a sturdy pole. In a 6 kilowatt solar installation produced up of 20 solar panels, the panels alone will weigh approximately 800 pounds (20 panels x 40 lbs). It is a delicate and often harmful procedure that is far more time consuming than installing panels on pole or ground mounts. Our suppliers’ place their solar mounting gear through vigorous testing at places like the James Cook University who place solar panels, mounting frames and fixings by means of low-high-low (LHL) cyclic load testing which emulates the rapidly oscillating up-and-down forces of cyclonic regions. Solar Panels in the simple sense operate by converting obtainable sunlight into usable electricity. Shipment delays and minimum order quantities has additional ready the market for a regional manufacturer to supply the African markets with high quality and cost-effective solar mounting systems. Though they have been proven to operate well when ground mounted more than light sandy surfaces and are also able to accomplish up to ten% higher output even on light coloured rooftops when tilted. A shared-rail method requires two rows of solar panels and removes a single of those rails, leaving you with three: a top, middle, and bottom rail. 435 solar panel support frame items are supplied for sale by suppliers on , of which solar mounting method accounts for 11%, solar energy system accounts for 4%, and aluminum profiles accounts for three%. A wide variety of solar panel help frame alternatives are available to you, such as decorations, transportation tools. 0033 These and other objects and advantages are achieved by the help structure, assembly technique, deployment technique, and mooring and anchoring technique of the inventive floating solar panel array of the present invention. It weighs right about 15lbs with no the solar panels attached. Do some analysis on your personal, and talk to your nearby solar provider to find out how ground-mounted solar panels can very best support you meet your home’s energy needs. A recent report by the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) recommended that buyers examine as a lot of solar alternatives as feasible to stay away from paying inflated prices provided by the huge installers in the solar sector. Usually, the a lot more energy your home needs, the much more inverters your solar contractor will install to convert the proper amount of power. 16 shows a south interior mooring connection, wherein the continuous line 116d is routed from a mooring buoy (not shown) by way of a pulley 298 mounted on a mounting plate 300 affixed to the finish of a N-S frame member in the southwest quadrant of an array field. Nonetheless, REC group just released the new Alpha series panels which use HJT cells with 16 micro busbars (16BB) to accomplish an impressive 21.7% efficiency. On the other hand, majority agrees that installations for completely functional solar panels are bit pricy, so not every person can afford utilizing solar power. Ground solar panels can be installed anyplace you have open space on your property. Solar panel efficiency can be calculated by MPP (maximum power point) value of solar panels. Right after all, if your solar panels aren’t positioned and installed properly, you will not only have a solar system that is less efficient, you could leave your solar panels vulnerable to harm. Solar Panel Frames are our specialty. We discovered a Youtube video showing a portable solar mount made out of PVC pipe and we just knew it was a fantastic notion.

8 shows the hinged connection in between N-S frame members 130a, 130b in adjoining array modules. Even though rooftop solar arrays are the most frequent decision for home owners, there are a lot of causes to take into account a ground-mounted solar panel system. 5A-5b show the installation of the N-S frame members atop the E-W frame members, which are in turn mounted to the floats. Angled brackets 200 (els) can be provided to enhance structural rigidity at the panel help connections 202. While rooftop solar panels are the most widespread variety, not everyone’s property is suited to them. From a single panel mounted on a post to a big ground-mounted multi-kilowatt pv array. Wire (2.1.1.three): Our Renogy solar panels come with regular PV wire that is weatherproof and insulated (as extended as there is no exposed copper wire). The next thing is to divide the prime-to-bottom length of the roof by the extended edge of the panels to come up with how numerous rows will match in the space offered. The producers we supply are developed to offer reliable solar panel mounting structures for residential, commercial, and utility-scale projects and typically include stamped engineering. In terms of the quantity of power produced, ground and rooftop panels are pretty a lot the very same, at least on the surface. If your property uses a lot of power, then ground-mounted panels may possibly be greater for you. Even though solar panels might get all the glory when you’re talking about how amazing solar energy is for lowering your electrical energy bills, creating green jobs, and saving the planet, solar mounting choices are just as critical. It is constantly smart to speak with a solar installer near you to see what your alternatives are for solar panel mounting. While railed systems are the most widespread solar mounting alternative, rail-significantly less systems are definitely catching up. As opposed to the common rack mount, the angles can be adjusted so that the panels are not parallel to the roof plane. Obtaining a solar mounting frame and roof panel as well close to the edge of the roof, will enhance substantially the wind forces on the panel and system structure in the course of heavy winds. Getting the original patent holding U.S. manufacturer of the Rooftrac® “Leading-Down” solar mounting method, one particular can be confident knowing they are becoming supplied with nothing but exceptional solar equipment products. Solar panels carry out well when they are cost-free of shade, or even in partial shadow, and the sun is straight above. The solar panel stand legs are the most vital part of the entire assistance mount. Targray’s portfolio of aluminum solar panel frames is a trusted source for PV module companies looking for superior mold sophistication at a competitive value. Flat roof mounting alternatives are common for industrial and industrial buildings since they have massive spans of wide open space best for solar panels. Placing solar panels straight onto the ground performs pretty okay in the course of the summer but in the course of the fall, winter and spring a solar panel stand tends to make a huge difference in energy production. Photovoltaic panel frames are anodized and have a resistance in the area of 20 MOhm. All this required was three standard pulpit rail mounting brackets that I attached to a stout sheet of aluminium bolted across the panel frame – ideal observed under with the panel folded down. The panel supports are mounted transversely across the N-S frame members and are preferably Z shaped rolled sheet metal with stiffeners, as required, to support the weight of a plurality of panels mounted on their upper edges. The typical size of solar panels utilised in a rooftop solar installation is roughly 65 inches by 39 inches, or five.4 feet by 3.25 feet. Standard ground mounts use metal framing driven into the ground to hold your solar panels up at a fixed angle. This article will aid you realize solar panel size, solar panel weight, and no matter whether your roof can assistance solar panels. A pole mount is a sturdy rack or frame built to hold a set of solar cells that’s mounted up on best of a single pole. Panels at 25 degrees will only make eight.two% much more energy than these at degrees. In theory, trackers are useful in optimizing the facing of your panels to squeeze every last drop of production out of your array. We will ensure that your solar panels are mounted in the right place on your roof – as often wind harm can happen if modules are mounted also close to the edge or ridge of the roof. Anyway, it took ’em three days to solve all the ‘insurmountable’ problems AND hand me a cheque for the power racked up on the analog meter from the date of installation.

These systems mean that your Solar PV panels turn into the actual fabric of your roof, serving two purposes, climate proofing and power supply. Fewer rails are required to mount a solar panel vertically alternatively of horizontally. That is the case if the versatile solar panels have a PET finish on them. Structures are developed to suit individual solar arrays and site circumstances, detailed dimensional drawings getting supplied for each and every installation. On a pitched roof, flat roof, garden shed, on the ground or even on a pole… Naked have seen it all ahead of and can help you uncover the excellent Solar mounting technique to get your solar panels where you want them. Ground-mounted solar panels can offer a quantity of benefits over normal rooftop panels. We sell Solar Mounting Frames for metal and tile roofs, as properly as ground mount systems. 439 solar panel assistance frames goods are offered for sale by suppliers on , of which solar mounting technique accounts for 11%, solar energy program accounts for four%, and aluminum profiles accounts for three%. A wide variety of solar panel help frames possibilities are offered to you, such as decorations, transportation tools. 0027 An even further object of the present invention is to provide a novel floating structure for a solar panel array that is lightweight and very easily transported to and assembled at or near an installation web site, either on dry land or on the water. 0004 Systems and apparatus especially adapted for floating a big array of solar panels are building, but they are relatively new and thus currently present many as yet unsolved troubles. One more alternative that comes as an option for connecting the solar panel to your technique with no getting to use deep cycle batteries is connecting the solar panel to an Uninterruptible Power Supply laptop, also called UPS. The frame elements offer a generally horizontal base on which solar panels are mounted. The panels are virtually constantly parallel to the roof surface. The solar panel stand legs are extremely simple and consist of two 41” extended aluminum slotted angle pieces, one particular 21” aluminum angle brace, and a handful of star knobs, bolts and flange nuts. We wired our roof panels in parallel using the Signstek Y-branch cable connector , so we had some open MC4 connectors to plug in to. MC4 connectors are wonderful and all, but you require a special tool to take them apart, and that is a no-go if you’re building some thing that is supposed to set up swift and effortless. A mooring and anchoring technique securing the solar panel array to shore and distributing loads along big portions of the array. By collecting a diverse array of solar bids, you can compare expenses and savings primarily based on the distinct equipment packages available to you. Several double glass panels are also frameless obtaining no aluminium frame which can complicate the mounting of panels as special clamping systems are necessary. Solar panels can weight up to ten pounds per square foot which indicates the roof has to be in a position to help the additional weight of the solar panels and the frame. The really cool Quickly-Rack Rail Technique was created to speed the installation of huge scale PV arrays on sloped roofs with a minimum quantity of roof penetrations. If your roof isn’t at the proper angle, does not face south, or has obstructions like chimneys or skylights, then your solar array will be less productive. 0003 Rooftop solar arrays demand the modification of the rooftop structure, can be hazardous and challenging to perform on, and give only a restricted footprint. Nicely, basically since it may well happen that some cells won’t be functioning, so to make the complete construction simpler to operate with, keep and assemble, you can build small frames for solar cells and make replacements less complicated. Second, a ground mount solar panel technique can be a lot more productive per panel than a rooftop solar array. Marine grade frames and mounting kits for ships & offshore applications are also offered. Integrated mount: PV panels replace traditional roofing components and attach straight to the roof’s rafters. While particular panels will have larger efficiency ratings than other individuals, investing in prime-of-the-line solar equipment doesn’t often outcome in greater savings. Mounts for roof, ground, pole and carport mounted solar PV systems at low wholesale rates. Rail mounts, which are attached directly to the roof structure and may possibly use added rails for attaching the module racking or frames.

If you have 3 phase energy a much better alternative is probably to be to set up a bigger program with no tilt frames. Most of the solar panel frames we offer are created from anodized aluminum due to the strength, durability, and resistance of the material. Renusol America is deemed a leading innovator in pitch roof and flat roofed solar mounting systems. We all know by now that solar energy systems are a win-win. The initial step towards producing your personal solar panel is obtaining your hands on cost-successful, but functional solar cells. The line is routed back to the array, exactly where it is either fed via a pulley mounted at the finish of a N-S frame member or terminated at a cleat. View the Clenergy installation videos for flat mount frames (tin & tile) and tilted frames (tin only). Since they’re not dependent on your roof, ground-mounted solar panels are set at the best angle to optimize power production. Clients not certain on rail string lengths should contact us, solar panels are of different widths. In 2010, 15.9 GW of solar PV method installations had been completed, with solar PV pricing survey and marketplace investigation organization PVinsights reporting growth of 117.8% in solar PV installation on a year-on-year basis. 11. The floating help structure of claim 9, wherein mentioned mooring lines are pre- tensioned and released a fixed length at the time of installation. Crucial items to think about when preparing a ground-mounted solar PV installation are the soil conditions as effectively as essential ground clearance i.e. for flooding. If every solar panel produces 1.five-kilowatt hours of electricity, then to offset your complete power bill, you will want 20 solar panels. Mono PERC cells are now the most well-known and efficient cell sort with most makers such as Winaico, Trina Solar, Q cells, LONGi Solar, Jinko Solar , Risen and JA Solar now all utilizing PERC cell architecture. Eco Marine Energy is at the forefront of developing low emission & fuel saving solutions for ships, Our personal computer systems also give a control interface between renewable power & other systems on-board ships. Divide 216 inches, which is the best-to-bottom length of the roof minus the 12 inch border on each and every side, by the lengthy-edge of each panel and you get three.three panels -obviously you cannot reduce a panel so you can get 3 rows on your roof. On the flat ground, you can position solar panels in any path you want to maximize sun exposure, unlike on a slanted roof. Passive solar trackers automatically move solar panels to face directly into the sun without having using any electricity. Marine photovoltaic (PV) panels and mounting frame kits are made to withstand the harsh conditions at sea & are suitable for all vessels ranging from coastal vessels to ocean-going passenger ferries & cargo ships. The Terragrif is developed and made according to the mounting structure implemented and based on the numerous photovoltaic panels utilised. The aluminium frames around the solar panel, hugging the glass covering on leading and the back-sheet at the bottom, has been essential, though usually ignored element of a solar panel. Don’t forget you can use our patented GemLock folding struts to make your bimini tops and dodgers smooth and tight yet ultra effortless to break down and stow – even with solar panels in spot. They just hang” or drape” the mounting technique over your roof and your solar panels are attached to this bracket. Our tilt frames are the solution of innovation from years over years of solar installation knowledge. Simply because of how portable and adjustable the mounting frame is I am capable to take it anywhere with me with ease and use it regardless of the time of the year. They are internationally recognized to be a manufacturer of a diverse item mix like solar mounting systems for modest to utility scale applications, waste management options, and customized bracket manufacturing. That indicates this DIY transportable solar panel stand mount is anywhere from 50% to 75% far more inexpensive than putting a set of legs on each and every panel. Browse ground mounts, roof mounts, pole mounts and other racking options from IronRidge, Rapid Mount, S-5 and much more. With the increasing levels of rooftop photovoltaic systems, the power flow becomes 2-way. Armed with the expertise of solar panel size and solar panel weight, we can make a calculation about how a lot a complete solar panel system weighs – which in turn can support you comprehend whether or not your roof can assistance a new solar panel technique or not.

If you are retrofitting an current constructing, it really is not worth it to use integrated mount due to the fact of the price and waste of removing the current roofing materials and throwing them away. So, if I utilised 1 solar panel stand leg set for each and every panel that would cost about $250 for 5 solar panels or as significantly as $500 if the less expensive stand legs were out of stock or not obtainable and had to get the thicker ones. I utilised PVWatts to assess my install and discovered that the cost of an $800 tilt frame would take 10 years to recoup the while a single extra panel would take 2.5 years and two would take only 2.six years. I am considering it will be a excellent concept to tilt the panel toward the sun in winter and when summer season comes, adjust the panel near flat or 10″ to maximise the output. The less power intensive casting process reduces the price of manufacturing mono cells. 72-cell industrial solar panels are roughly 13 inches longer than 60-cell residential panels. You can use either a standard ground mount, which fixes the panels in 1 spot, or a pole mount, which puts them higher off the ground. Tilt legs just lift the panels up to a fixed angle, so that they face straight into the sunlight. IronRidge is a top PV racking manufacturer creating quality roof-mount racking. Also, it is critical to achieve a firm and secure attachment of the array mounting brackets to the roof. All of our solar mounting equipment suppliers are authorized by the CEC (Clean Energy Council) which signifies that their items tick all the boxes when it comes to compliance and security. We carry a wide choice of solar panel mounting alternatives to overview for your distinct solar panel power project. Companies generating dual glass solar panels incorporate Jinko solar, LONGi Solar, Trina Solar, Yingli Solar and JA solar. Many manufactures such as LG power , REC, Trina and Canadian Solar have gone one step further and created multi-busbar (MBB) systems using up to 12 or 16 quite thin round wires rather than flat busbars. These components supply international array field stability by transferring the wind forces from the array field to strategic mooring support points. That indicates that now it is the time to glue all these lines of cells to the primary frame and across the perforated frame. A newcomer on the solar mounting scene, non-penetrating and ballasted (or weighted) mounting systems are becoming super common thanks to the reality that you don’t have to drill, screw, or bolt something to your roof. If they are tilted they will carry out better but that will boost the expense of installation and you could not be in a position to match as a lot of panels as if they had been laid flat against the roof. You will save a lot of funds by going by way of this DIY solar panel project and producing your personal solar panel, also, as solar energy systems typically price a lot of income. Pole Mounts assistance up to 2.5kW of PV panels per 8” pole (offered separately). The IronRidge SGA ground mount makes use of XR1000 rail, which is the very same equipment used for heavy-duty roof mounts. You have your frame prepared and the holes are drilled, you have connected all the cells in a number of lines to match the length of your major frame. We attach clamps to the standing seam of the roof, then either a rail is attached to the clamps or the solar PV panels are fixed straight to the standing seam clamps. As plants use the sun’s energy to develop energy which is food for them, solar cells are utilizing the very same power drawn from the sunlight in order to generate electricity you can use to provide your home with electrical power and energy something that runs on DC current as soon as your DIY solar panels are done. Our design and style & consulting solutions contain green ship & eco ship notion designs, renewable power surveys, renewable power systems style & consulting support for new ship and retrofit projects. The power temperature coefficient is the quantity of power loss as cell temperature increases. When you believe of solar panels, you usually picture them on the roof of your residence. You can spot your solar panels anyplace, in any path. Solarframe solar mounting systems manufacture and distribute PV mounting options throughout Southern Africa. Considering that you happen to be removing an complete rail from the equation, you’ll have one less rail to pay for and set up, fewer entry points in your roof, and you can position your solar panels the ideal way for generating solar energy. PV cells come in a regular size of 156 mm by 156 mm, which is roughly 6 inches extended and six inches wide.

Ballasted mounts rest on a free of charge-standing base that is not drilled into your roof. These intelligent chips from Maxim go beyond the conventional add-on optimiser and separate the panel into three strings of cells which enables the panel to operate at the optimum MPPT voltage when partially shaded or dirty. If tracking of the solar panel array is preferred, the suggested trackers are single-axis units that demand little handle or power. 0026 A further object or feature of the present invention is a new and improved floating structure for a solar panel array that permits solar panels to be positioned for optimal solar power collection even though afloat. Enter your zip code to discover out what solar panels expense from installers near you. As a general guide, when mounted in accordance with their instructions most mounting systems will meet Australian standards. With a variable width for all mounting systems. Pole mounts are the greatest solar panel mounts to use in heavy snow locations, simply because the steep tilt angle aids shed snow. For optimum efficiency, a solar panel wants to be produced of equivalent modules oriented in the same path perpendicular to direct sunlight. Supplied with marine-grade mounting frame kits for ships and marine applications. Flat rooftops (or low slope roofs) can use comparable racking hardware with tilt legs to achieve an appropriate angle. SnapNRack is a manufacturer of photovoltaic module mounting merchandise and systems. Glass plates are maybe the greatest solution to have about for generating base for your solar cells. Since it really is a single of the most time- and labor-intensive parts of hooking up the technique, solar panel mounts are a single of the largest fees throughout a solar energy technique installation. Permits the angle of the solar panel to be adjusted for the ideal results. MOBASOLAR has created distinct Terragrif products which are compatible for more than 90% of mounting systems. Now when you have frames and when all the cells are arranged and connected, you will want to place some wires by means of the lines of cells you have. This frame is created to hold a distinct quantity of solar panels, which depends on the frame. It has become increasingly far more pricey to import solar mounting systems from China, the main source of solar mounting systems in South Africa. The mooring lines are pre-tensioned and released at a fixed length at the time of installation, and if necessary in the course of the upkeep period, to afford the relative vertical movement the array could go via for the duration of its design life. For most applications, the extra labor and the added complexity of the array mount does not justify the tiny enhance in energy created. Solar panels aren’t limited to rooftops they can be freestanding and ground-mounted systems that generate power for your house wherever they happen to be. Aside from the reality that tilt frames appear ugly, panels at a shalllow angle execute much better beneath cloudy conditions. Some particular solar PV modules consist of concentrators in which light is focused by lenses or mirrors onto smaller sized cells. Following to RMI , Balance-of-Program (BoS) elements, this is, non-module expense of non- microinverter solar modules (as wiring, converters, racking systems and various components) make up about half of the total expenses of installations. Now incorporated self earthing mechanism and accessory holes, we are quite excited to introduce you to our industrial tilt mounting technique. You will require to test and activate the solar cells prior to moving onto producing your solar panel and go on with making far more solar cells if you have created your very first one particular effectively. We advise the IronRidge XR100 or XR1000 (exact same as a normal roof mount) with the addition of tilt legs. This special design covers far more of the panel surface region as it doesn’t require front side busbar connections which partially shade the cell, thus increaseing the panel efficiency much like IBC cells explained under. The mount tends to make the installation of small solar systems easy, affordable and quick. But if your garage is flat and takes place to get the most sun, a flat roof mounting choice may be perfect for you. Place the mount collectively and place it on prime of your solar panel to verify the match. Aluminum solar frames along with high alloy stainless steel frames are created with the highest tolerances and great forming capabilities, to make the outstanding quality aluminum solar frame that we are accustomed to produce.

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