If the tapered maximum thickness exceeds that permitted by 457 a thermal barrier may be required.
Polystyrene thickness for rubber roof.
A built up roof for example will typically include the built up membrane itself with or without gravel as well as some kind of insulation and cover board which will vary in thickness from roof to roof.
Flat expanded polystryene eps roof insulation provides high long term r value of eps and labor saving face laminates.
So a 45 mil roofing membrane is actually 0 045 inches thick.
The roof deck can be plywood metal concrete or wood planks.
The added thickness to produce slope to drain is a positive factor in today s energy conscious society.
Rigid foam insulation installation prepare roof deck.
Owens corning foamular 250 extruded polystyrene xps rigid foam insulation is a closed cell highly moisture resistant rigid foam board well suited to meet the needs for a wide variety of residential and commercial construction applications.
Tapered expanded polystyrene eps roof insulation was developed more than 30 years ago with a dual purpose in mind.
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.
To drain and insulate dead level roof decks.
This roofing is ideal for sunrooms carports breezeways porches mobile homes and rvs.
This product is fast and easy to install.
Thermapink tapered roof insulation has been tested over steel roof decks without a thermal barrier in accordance with ul standard 1256 and is listed for use direct to deck in accordance with ul roof deck construction 457.
The bottom layer of a single ply membrane roofing system is the roof deck or substrate.
The roofing can be used for new roof installation or as a replacement roof.
Roofing membranes can be made out of a variety of materials.
Flat expanded polystryene eps roof insulation is suitable for use with all roofing membrane materials flat eps roof insulation is compatible with loose laid and attached single ply membranes conventional built up roofing or modified bitumen systems.
Roofkit 15 by 25 foot epdm rubber roofing is 45 mil thick and is for use on flat roof surfaces.
The roof consists of pre designed pieces of expanded polystyrene having a slope of 1 8 3 16 or 1 4 per foot as required.
Benchmark foam s tapered expanded polystyrene eps roofing system provides effective drainage for flat roofs.
Tpo is a type of roofing membrane that can come in a variety of thicknesses.
When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary.
Whereas a 60 mil membrane is 0 06 inches thick and so on.