Flat Roof Structural Decking

What s the difference between a regular roof and a flat roof and why does it require different material.

Flat roof structural decking.

Topspan insulated roof deck combines a structural deck and metal top sheet in one product the panels are suitable for zinc stainless steel and aluminium standing seam waterproofing systems and single ply membranes. Unfortunately many homeowners who have a flat deck roof have to deal with frequent leaks. This is usually because low quality leak prone decking materials such as epdm rubber are used often in an effort to save money. The ceiling will usually be fixed directly to the underside of the joists.

That means that not only does it act as a roof for the underlying structure it also acts as a deck membrane. Flat roof deck. Our large range of roof deck profiles are efficient and attractive. In a flat roof the waterproofing is always supported by a structural roof deck.

Structural decking also known as roof decking should not be confused with lumber intended for residential and non residential outdoor decks. A deck is the structural substrate of a flat roof and should be capable of supporting the static and dynamic design loads as well as any loads occurring during construction from machinery and plant. Of roof decking costs 800 2 800 to install depending on the material you choose. Here s how tufdek waterproof decking stands out on a flat roof deck.

This mostly takes the form of timber based boarding of some type which in turn is supported on joists. A structural deck will perform the function of transferring dynamic and dead loads of the roof covering to the frame and will also provide the necessary lateral restraint to the main structural frame. On average 300 sq ft. By spanning a decking profile from rafter to rafter the need for purlins can be eliminated in a portal frame design.

Flat roofs are nothing new nor are some of the proven materials that cover these often expansive roofs such as those found on factories warehouses big and small box stores apartment buildings large public structures and schools universities. A flat roof s design is both efficient and economical.