How To Install A Warm Deck Flat Roof

Flat roof construction can come in the form of a warm roof or cold roof depending on the requirement of the owner and architect as they relate to the building regulations regarding heat loss and insulation.

How to install a warm deck flat roof. A vapour control layer must be used below the insulation. To use epdm for a warm deck flat roof construction solid closed cell roof insulation such as kingspan or celotex should be placed on top of the roof deck rather than in between the rafters. How to install a warm deck roof duration. This option avoids the requirement to ventilate the roof.

This approach uses insulation with no air gap either immediately above or below the roof deck. Once you ve added the framing it s time to add a layer of 5 8 inch plywood sheathing. Warm deck flat roofs can be constructed on most modern construction material types such as concrete timber and timber based sheets. Push fit easyfix shoes at gaps of 400mm down the length of timber battens 8 per m2 recommended.

The 8 step process for diy installation. Then you will install sleepers or flat 2x6s laid flat every 16 on top of the roof surface. Building a deck over a flat roof is very similar to building a deck over a concrete patio. How to install insulation in a flat roof with timber deck insulated above the joists.

The insulation boards should be laid with the plywood face up. Warm flat roof vapour barrier insulation explained duration. Set the quinn therm qrfr ply insulation boards onto a wide 30mm bead of vapour resistant sealant applied to the upper surface of all the joists and cross noggins. This will provide the surface for you to attach the decking.

Constructing a flat roof using epdm. That would be. Types of flat roof construction warm and cold flat roofs. Warm deck insulation 1.

Installing deck on a flat roof tips choose what height timber batten to use paying close attention to the height of any existing door threshold. One important and perhaps not so obvious fact is that a flat roof is not actually flat.