Insulation Under Tpo Roof

About half of our indiana projects specify a vapor barrier under the roof insulation.

Insulation under tpo roof.

Get to know more about one of the most popular commercial roofing systems get started. Is there any advantage to trying to get any insulation in between the 2 8 rafters. Tpo insulation and cover boards learn about tpo insulation and cover boards. I am trying to figure out the best insulation build up under this roof situation.

3 install 80 mil tpo roof fully adhered glued to densdeck. Do not use mechanical attachment because if deck rafters are placed over screws you will have a hole in the roof. The iso is covered with 60mm tpo. Coated fiberglass facer ideal for fully adhered systems provides a broader compatibility and higher performance with.

There is 1 4 of iso at the edges built up to approx. Achieves fm vsh approval with adhered 60 or 80 mil smooth back jm tpo membrane and standard jm tpo membrane adhesives when 4 x4 panels are adhered in low rise foam adhesive ribbons 12 o c. Tpo s long term heat uv and natural fungal resistance plus flexibility without need for plasticizers also make tpo a reliable low slope roofing system. Should i leave out the soffit vent.

This vapor if left unchecked can wet the insulation and over time will reduce. Customer choice of insulation since single ply membrane roofing does not include the insulation factor as a customer you have more options to choose from to insulate your facility s roof. 27 x29 flat roof with 5 8 plywood sheathing. Just before installing the membrane you typically install a slipsheet a low friction barrier that allows the roofing to expand and contract freely.

Tpo roof insulation in the midwest is typically polyisocyanurate board insulation. The plywood. I have an insulation factor of about 8 10 plus the reflectivity of the white tpo. Also there is a soffit vent but none at roof peak.

Short for thermoplastic polyolefin tpo is a single ply roofing membrane that offers excellent performance at a cost effective price. You need 80 mil under a floating deck. Meets the requirements of astm c 1177. 3 5 in the middle.

Achieves fm vsh approval with adhered 60 or 80 mil smooth back jm tpo membrane and standard jm tpo membrane adhesives when 4 x4 panels are adhered in low rise foam adhesive ribbons 12 o c. By itself tpo roofing doesn t provide much insulation so many installations include a layer of rigid foam insulation which is secured to the roof with mechanical fasteners or adhesive. There is polyiso over the plywood built up 1 4 12 on all four side to the the center. There is no ice water or vapor barrier under the iso.

The old roof was tar and gravel so the switch to tpo should show significant change. The vapor barrier protects the roof insulation from the vapor included in the interior air. Meets the requirements of astm c 1177. Coated fiberglass facer ideal for fully adhered systems provides a broader compatibility and higher performance with.