Polygal Roof R Value

For a very good introductory overview article on r value see r values over at the website of.

Polygal roof r value.

They can be installed on any pergola or to cover a screen room. For example two inches of extruded polystyrene with an r value of 11 has an rsi of 1 93721. Topgal is a pc multi wall standing seam panel system suitable. 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.

Features a plastic uv protective layer. Know exactly how much you need with our project calculators. 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. The higher the r value the greater the insulation performance.

They also manufacture the specialty sheets of polycoolite and polymatte. To convert rsi to r value multiply the rsi by 5 67826. Polygal was the first multiwall polycarbonate sheet manufactured in 1970 and continues to be on the leading edge of structured sheet products. Polygal standard grade sheets can be used for a variety of applications such as greenhouses commercial roofing pop displays.

Standard sheets are manufactured with different thickness ranging from 4 to 16 mm. Recommended uses include covering of medium span structures where. Polygal comes in various strengths and colors. Polygal polycarbonate sheets are available in clear ice opal or bronze.

Standard polygal sheets are a multi wall polycarbonate that are designed to allow light in but block precipitation. Polygal standard grade double and triple layered polygal standard grade sheets are manufactured in various colors and degrees of transparency. To convert the r value of a specific thickness of a material to rsi divide the r value by 5 67826. R value measures how well certain building insulation materials can resist heat.

Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials. Polycoolite diffuses the light and helps to cut down on heat. Rsi r value système international is the metric equivalent. You should of course see the manufacturer provided technical data sheet for the r value of specific products.

Polymatte has 100 light diffusion. 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.