Metal Deck Flat Roof Detail

Insulation for the warm flat roof only the basic construction process.

Metal deck flat roof detail.

This is usually a timber boarding of some type which in turn is supported on joists. The vapour control layer is above the decking but below the insulation. Their structural performance provides the ideal base for metal standing seams bitumen and green roofs. For this content to be displayed you need to accept all cookies in the cookie settings and confirm your selection or by clicking the allow all button.

Ordinary chipboard is not recommended as it may absorb moisture when damp and lose its structural integrity. Single ply roof types cold flat roofs warm flat roofs. The insulation is placed below the waterproof covering and is either mechanically fixed or bitumen bonded on to the top of the deck. Back to flat roof construction.

A warm flat roof or a built up roof bur is one where all the insulation is above the joists deck making them part of the warm fabric of the building. A good example is the metal sleeve used to protect and seal plastic pipe penetrations on hot melt roofs. The ceiling if any is usually fixed directly to the underside of the joists. The insulation is immediately below the waterproofing layer.

Inverted roofs should only be used with timber solid or i joist or metal profiled decks if they have been designed to support the loads particularly from the depth of ballast needed to retain the insulation material. Inverted warm deck roof the insulation boards in an inverted warm deck are laid over the structural deck and the waterproof covering. Roof structural roof deck our large range of roof deck profiles are efficient and attractive. Householder s guide to flat roofing in a flat roof the waterproofing is always supported by a structural roof deck.

Plastic pipe with metal sleeve penetration for iko permatec hot melt roof system iko sig design technology cover or counter flashings are used to seal base flashings. Metal decking constructed to support built up waterproofing systems should be of a suitable profile i e. The material used for the roof deck must be moisture resistant and will usually be plywood osb or timber boards although concrete and woodwool slab or profiled metal can also be used. Foam with fiberglass backing.

Roofing timber known as joists steel joists known as steels rubber epdm membrane or other exterior covering water based adhesive. Please fill in your details below to access our full list of standard details for sika sarnafils range of systems. The sandwich warm deck roof is the most common type of flat roof.