Xps On Roof Decking

This includes the roof deck and the supporting structure typically roof trusses and or rafters as well as the roof system itself.

Xps on roof decking.

Xps meets the most stringent test requirements of underwriters laboratories when used in conjunction with single ply roofing membrane or standing seam metal roofing systems. Top 4 installation techniques recommendations for styrofoam xps insulation you need to know have you ever seen a home or building built the same way twice. When roofs leak the intruding water often damages the insulation below the membrane. Xps has been extensively tested to evaluate its fire performance when used directly on steel roof decks.

All roofs leak over time and as such facilities need to be re roofed two or three times during their service lives. Steel deck with mechanically attached architectural metal panel cladding optional cover board over xps insulation over gypsum board thermal barrier or applied directly to the metal roof deck. When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary. 1 2 rigid foam board 3.

Get all the construction documentation you ll need in a single click. The listed roof deck systems were tested for flame spread beneath the steel roof deck not hourly rated in accordance with ul standard 1256 as referenced in section 2603 4 1 5 of the 2006 international building code. Specify this solution zip 8 39 mb. Expanded polystyrene eps with the highest r value per dollar eps is used for roof wall and floor insulation.

I am building a 4 12 roof in zone 3 charlotte area north carolina. Don t forget to add all roof assembly materials when calculating total roof weight. For a 1 in thick panel. Eps can be used for ground contact and does not retain water over time.

Xps is semipermeable with a perm rating of 1. Steel deck with fully adhered single ply membrane over a cover board with xps insulation over gypsum board thermal barrier or applied directly to the metal roof deck. Suited for a wide range of applications foamular extruded polystyrene xps insulation is ideal for roofi ng applications including single ply protected roof membrane assemblies prma tapered vegetative roofs plaza decks architectural metal roofi ng and recover roofi ng. Given that it seems that the ideal roof deck build up would consist of.

The average cost of extruded polystyrene insulation is 0 42 sq ft. Given the specific needs of each project installation and compatibility questions are among our top of our building science experts. Since the mid 1990s xps roof insulation systems have been listed at underwriters laboratories ul for direct to steel roof deck application see ul roof deck construction numbers 440 and 457. Get all the construction documentation you ll need in a single click.