Polystyrene Thickness For Rubber Roof

When specifying black metal or copper roof panels a minimum thickness of 1 4 inch moisture resistant gypsum board is recommended between the xps insulation and metal roof.

Polystyrene thickness for rubber roof.

Built up 3 8 thick plies. The roof deck can be plywood metal concrete or wood planks. The most common thickness is probably 60 mils. Roof fix with shiplap edges thickness 30 40 75 100 mm width 300mm covering dimension lenght.

Xps roof insulation after 10 years in service under a metal roofing clip. Roofing membranes can be made out of a variety of materials. 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. Tpo is a type of roofing membrane that can come in a variety of thicknesses.

To drain and insulate dead level roof decks. Rigid foam insulation installation prepare roof deck. The added thickness to produce slope to drain is a positive factor in today s energy conscious society. A mil is a unit of measure where 1 mil is equal to 0 001 inches.

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. 1250mm covering dimension other lenght and thickness will be availableupon request. Designed to provide positive drainage of water. 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.

The use of this r valuye is highly questionable since wood shingle roofs do not block air flow whatsoever. When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary. Soil or dirt 0 25 1. So a 45 mil roofing membrane is actually 0 045 inches thick.

Extruded polystyrene rigid foam with skin. The bottom layer of a single ply membrane roofing system is the roof deck or substrate. Tapered expanded polystyrene eps roof insulation was developed more than 30 years ago with a dual purpose in mind. This product can be supplied in various densities.

About expanded polystyrene 5 insulfoam roof insulation products 6 9 roof insulation product overview 6 7 physical properties 8 thermal values 9 roof insulation guidelines 10 14 material storage handling installation 10 tapered roof insulation 11 12 insulation theory 13. Also see below at wood. If the tapered maximum thickness exceeds that permitted by 457 a thermal barrier may be required.