Polygal Roof R Value

Polygal standard grade is designed for use in most conventional roofing and glazing applications.

Polygal roof r value.

Standard polygal sheets are a multi wall polycarbonate that are designed to allow light in but block precipitation. You should of course see the manufacturer provided technical data sheet for the r value of specific products. 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. When determining how much insulation you need don t guesstimate calculate.

Polygal comes in various strengths and colors. The polygal sheets are available in double and triple layered configurations and manufactured in various colors and degrees of transparency. For example two inches of extruded polystyrene with an r value of 11 has an rsi of 1 93721. They can be installed on any pergola or to cover a screen room.

R value measures how well certain building insulation materials can resist heat. 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. Polygal polycarbonate sheets are available in clear ice opal or bronze.

Polymatte has 100 light diffusion. R value of various materials. Topgal is a pc multi wall standing seam panel system suitable. Features a plastic uv protective layer.

To convert rsi to r value multiply the rsi by 5 67826. Rsi r value système international is the metric equivalent. Polycoolite diffuses the light and helps to cut down on heat. Recommended uses include covering of medium span structures where.

Know exactly how much you need with our project calculators. The higher the r value the greater the insulation performance. Polygal was the first multiwall polycarbonate sheet manufactured in 1970 and continues to be on the leading edge of structured sheet products. To convert the r value of a specific thickness of a material to rsi divide the r value by 5 67826.

Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials. For a very good introductory overview article on r value see r values over at the website of. They also manufacture the specialty sheets of polycoolite and polymatte.