Flat Roof Membrane Detail

Grace roof detail membrane is the only product available today designed specifically for waterproofing critical roof detail areas.

Flat roof membrane detail.

What typical detailing methods are used to seal flat roof penetrations. But the flat roof is one of a building s most highly loaded components and waterproofing it is particularly challenging. This could mean flat roofs may not raise the same red flags they used to. But now flat roofs often are constructed with fewer layers because of improved waterproofing technology.

Banding is typically used to seal soil vent pipes on single ply roofs such as fdt rhepanol pib and involves wrapping an unreinforced membrane around the pipe to a minimum height of 150mm an approved sealant is then applied to the top of the membrane. Bur systems are redundant meaning if one layer breaks down multiple remaining layers provide immediate protection. Your main goal when covering a flat roof is to create a barrier that will be impenetrable to water. A flat roof usually consists of the following.

Termination at rtu with welded lap. In the warm flat roof construction there is insulation packed into every possible space where air can flow. Roof membrane layout adhered. Flat roof construction for residential.

Roof membrane layout mechanically attached. The number of plies on a roof implies the number of layers i e. On a flat roof generally speaking you want to avoid any types of seams if at all possible. They can be partially loose laid and held down with river rock ballast requires roof structure to support the weight or fully adhered to the roof deck.

A roof is considered to be flat when it is of a slope of 1 5 o to the horizontal. The biggest threat is of course going to be water which will find any access though any hole or inadequately sealed seams in a roofing membrane. Epdm and neoprene roof seams are fastened by adhesive and pvc roof seams are heat or solvent welded. The major difference between the warm flat roof and the cold flat roof has to do with the air flow between the roofing timbers known as joists that help to hold up the roof.

Waterproof membrane to prevent water penetrating the structure and interior of the. Although flat roofs are cheaper to build than pitched roofs they have a shorter life span. Membrane roofs are attached in a variety of ways. Four plies denotes a four layer flat roof membrane system.

Flat roofs are hard to replace. Side lap detail fully adhered system. Vertical wall edge termination. Termination at rtu with counter flashing.

Side lap detail mechanically attached. Flat roofs are practical affordable and are celebrating an architectural comeback. Based on the grace ice and water shield technology grace roof detail membrane is a flexible product that conforms tightly to common roof details such as skylights chimneys and dormer walls.