Polygal Roof Panels & Clear Patio Covers for Pergolas

Multiwall Polycarbonate sheets often referred to by the brand name of Polygal, are a structured sheet product available in double and triple layered configurations and manufactured in various colors and degrees of transparency. Polygal allows sunlight in but provides protection from unwanted elements, such as rain, UV rays, and heat. What this means for you is that you can comfortably enjoy your patio rain or shine with a Polygal roof cover! Polygal roof panels for pergolas are durable, yet flexible, so they can be utilized in curved applications. Plus, Polygal is lightweight and easy to install so you don’t have to break your back or the bank to enjoy your clear plastic patio cover....

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standard polygal colors

Premium System Install Instructions

 

System Types

TOPGAL (Standing Seam) ALUMINUM (Mega-Lock) STANDARD (Base & Cap)
SLOPE Leak proof on any slope, but for best results we recommend at least a 1/12 slope For best results, minimum 1/12 slope For best results, minimum 2/12 slope
COST Most Expensive Mid-range Option Most cost-effective
STRUCTURE TYPE Purlins Rafters or Shade Slats Rafters or Shade Slats
INSTALLATION DIFFICULTY Easiest to install with the least chance for errors. Most difficult and time-consuming to install. Easier than the Mega-Lock

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FAQs

  • To clean dirt and debris on the outside of the sheets, the easiest method is to simply spray the sheets off with water. You can also rinse with a mild soap, like Ivory, and then follow that with a clean water rinse. If you want to try hand washing, proceed with caution as Polygal can be scratched easily.

    To clean dirt and debris from inside the flutes, first, remove the U-profiles and tape on the edge of the sheets. Use a vacuum to remove the dirt. Using an air compressor or blower can push dirt and debris further into the flutes.

  • Polygal can be easily cut with a circular saw, table saw, or a contractor grade jig saw on site. A carbide bit fine tooth blades with 8-12 teeth per inch is recommended. Cutting the material can lead to plastic shavings in the flutes. You can use a vacuum or an air compressor and blower to remove the shavings.

  • Polygal multiwall polycarbonate can be considered a roof for pergolas. The standing seam system, Topgal, is a leakproof roof, even on pergolas that are flat or have minimal slope. There is also a plastic base and cape system and an aluminum megalock system that offer an effective shade cover. These systems are not considered a “roof” just because they are not guaranteed to be leak proof on flat pergolas, but with the appropriate slope and correct install, these products are also virtually leak proof.

  • Polygal multiwall polycarbonate sheets do not allow for any flame spread. The sheets may melt, but they will not catch fire. The standard 8mm panels have a Type I or CC1 flame rating.

  • Polygal sheets are available in standard width options of 4’ or 8’ and in standard lengths of 8’, 12’, 16’, or 24’. Custom lengths are available as it is important to have a seamless sheet in the direction of the slope so the cover does not leak.

  • Polygal sheets should not be welded together with adhesives. The sheets are available with different seam profiles to connect the sheets.

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