Polygal Roof R Value

Standard polygal comes in different degrees of transparency allowing you to control the amount of visibility through the roof of any new screened patio enclosure or pergola.

Polygal roof r value.

Polycoolite diffuses the light and helps to cut down on heat. Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials. Topgal is a pc multi wall standing seam panel system suitable. Features a plastic uv protective layer.

R value measures how well certain building insulation materials can resist heat. They also manufacture the specialty sheets of polycoolite and polymatte. Polygal standard grade double and triple layered polygal standard grade sheets are manufactured in various colors and degrees of transparency. Rsi r value système international is the metric equivalent.

Polygal was the first multiwall polycarbonate sheet manufactured in 1970 and continues to be on the leading edge of structured sheet products. Topgal roofing system standard sheets double and triple layered manufactured in various colors and degrees of transparency designed for use in most conventional roofing and glazing applications. When determining how much insulation you need don t guesstimate calculate. The polygal sheets are available in double and triple layered configurations and manufactured in various colors and degrees of transparency.

R value of various materials. Standard polygal sheets are a multi wall polycarbonate that are designed to allow light in but block precipitation. For example two inches of extruded polystyrene with an r value of 11 has an rsi of 1 93721. The higher the r value the greater the insulation performance.

Polygal comes in various strengths and colors. Polymatte has 100 light diffusion. Standard sheets are manufactured with different thickness ranging from 4 to 16 mm. Polygal standard grade is designed for use in most conventional roofing and glazing applications.

You should of course see the manufacturer provided technical data sheet for the r value of specific products. Know exactly how much you need with our project calculators. Plazit polygal north america choose your material polygal products are multi wall pc sheets which have an internal structure of ribs this means the sheets have high rigidity and are also very light weight in addition the air inside the sheets gives them high. For a very good introductory overview article on r value see r values over at the website of.

To convert the r value of a specific thickness of a material to rsi divide the r value by 5 67826. Polygal polycarbonate sheets are available in clear ice opal or bronze. To convert rsi to r value multiply the rsi by 5 67826.