Polystyrene Thickness For Rubber Roof

Designed to provide positive drainage of water.

Polystyrene thickness for rubber roof.

The bottom layer of a single ply membrane roofing system is the roof deck or substrate. When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary. Xps roof insulation after 10 years in service under a metal roofing clip. This product can be supplied in various densities.

Soil or dirt 0 25 1. 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. Also see below at wood. 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.

The most common thickness is probably 60 mils. A mil is a unit of measure where 1 mil is equal to 0 001 inches. Tapered expanded polystyrene eps roof insulation was developed more than 30 years ago with a dual purpose in mind. Roofing membranes can be made out of a variety of materials.

E foam wall fix. If the tapered maximum thickness exceeds that permitted by 457 a thermal barrier may be required. The added thickness to produce slope to drain is a positive factor in today s energy conscious society. Whereas a 60 mil membrane is 0 06 inches thick and so on.

Built up 3 8 thick plies. So a 45 mil roofing membrane is actually 0 045 inches thick. 1250mm covering dimension other lenght and thickness will be availableupon request. Extruded polystyrene rigid foam with skin.

Roof fix with shiplap edges thickness 30 40 75 100 mm width 300mm covering dimension lenght. 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. 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. 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.

The roof deck can be plywood metal concrete or wood planks. To drain and insulate dead level roof decks. The use of this r valuye is highly questionable since wood shingle roofs do not block air flow whatsoever.