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. Flat roof deck. The ceiling will usually be fixed directly to the underside of the joists. Unfortunately many homeowners who have a flat deck roof have to deal with frequent leaks.

Here s how tufdek waterproof decking stands out on a 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. This is usually because low quality leak prone decking materials such as epdm rubber are used often in an effort to save money.

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. The key is in the. On average 300 sq ft. This mostly takes the form of timber based boarding of some type which in turn is supported on joists.

That means that not only does it act as a roof for the underlying structure it also acts as a deck membrane. 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. Of roof decking costs 800 2 800 to install depending on the material you choose. Standard structural decking patterns are 2 nominal tongued and grooved t g and 3 and 4 double t g products available with vee or eased edges to meet discriminating architectural requirements.

A flat roof s design is both efficient and economical. By spanning a decking profile from rafter to rafter the need for purlins can be eliminated in a portal frame design.