Flat Roof Tapered Insulation Board

For new construction use rigid boards to insulate slabs and the outside of foundation walls.

Flat roof tapered insulation board.

Flat tapered eps roofing insulation insulfoam taper is an engineered insulation consisting of a superior closed cell lightweight expanded polystyrene eps. Manufactured from lightweight foam control eps tapered expanded polystyrene eps roof insulation is a value engineered system that has been proven in new and reroof applications all over the country. Use a premade kit for this type of project. Follow with a 2x4 frame wall and.

For a basement remodeling project consider insulating basement walls with foam board. Insulfoam taper is cut from the same high quality eps as our flat insulroof products and meets or exceeds the requirements of astm c578 standard. Xtratherm manufactures an extensive range of high performance pir flat roof insulation boards that include tapered insulation providing comprehensive technically advanced solutions for all flat roof projects. Standard tapered insulation is typically an iso board with fiberglass mats on both sides.

Consists of recycled newsprint to provide strength to the board as well as high recycled content. Because this is a specialty product it costs about 60 80 more than a flat foam insulation of the same thickness. When correctly installed tapered insulation helps eliminate problems due to ponding water and can extend the longevity of your low slope roofing system. Tapered expanded polystyrene eps roof insulation was developed more than 30 years ago with a dual purpose in mind.

However we lose r value where the taper is thinnest and need to insulate under the sheeting. Attach the tongue and groove insulation boards to the concrete wall with adhesive. It can also be made using eps rigid or high density styrofoam. By creating appropriate falls and drainage a flat roof is more likely to last for its designed life by channelling water to outlets efficiently.

The boards can simply be installed on top of the existing waterproofing layer. To drain and insulate dead level roof decks. Tapered insulation is also ideal for existing roofs that may not already incorporate a structural fall. The xtratherm range of high performance insulation boards provides the ideal technically advanced solution for flat roof projects.

It is readily available in the two most popular and efficient tapers 1 8 3 18 mm per foot 305 mm 1 and 1 4 6 35 mm per foot 3 18 mm 2. Insulfoam i vii ii ix xiv and xv. Thus a 0 5 1 5 inch board would cost about 80 85 per 100 sq ft.