Tapered Flat Roof Insulation

When correctly installed tapered insulation helps eliminate problems due to ponding water and can extend the longevity of your low slope roofing system.

Tapered flat roof insulation.

Tapered expanded polystyrene eps roof insulation was developed more than 30 years ago with a dual purpose in mind. We toyed with spray foam but this may be overkill as we would have to insulate areas that don t require it. Standard material is johns manville enrgy 3 tapered and flat polyisocyanurate roof insulation. Tapered flat roof insulation a flat roof should always allow for water channelling and drainage to prevent issues such as ponding.

It is designed to enhance water drainage for flat roofs waterproofed with full adhered single ply partially bonded built up felt mastic asphalt and cold liquid applied. However we lose r value where the taper is thinnest and need to insulate under the sheeting. To drain and insulate dead level roof decks. The standard tapered panel size is 4 x 4.

Builders install tapered roof insulation on a flat roof adding a positive slope that will improve your roof s drainage while still having the benefits of a flat roof this slight slope can make it easier to drain excess water and debris. Tapered roof layout tapered roof insulation. Slope cross sections published feb. Ponding can lead to premature failures in the waterproofing system and the need to refurbish an area or the entire flat roof before the end of its intended design lifetime.

Flat tapered eps roofing insulation. We are insulating a flat roof with tapered rigid insulation over a moisture barrier and then capped with modified bitumen. 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. 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.

Rockwool products are available with a bitumen or mineral coated fiberglass face to be used in a number of roofing solutions. High performance tapered insulation for flat roofs kingspan thermataper tt47 is a high performance insulation with a fibre free rigid thermoset polyisocyanurate pir core. Insulfoam taper is cut from the same high quality eps as our flat insulroof products and meets or exceeds the. Tapered roofing insulation insulfoam i vii ii ix xiv and xv.