Flat Roof Membrane Detail

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.

Flat roof membrane detail.

Your main goal when covering a flat roof is to create a barrier that will be impenetrable to water. Bur systems are redundant meaning if one layer breaks down multiple remaining layers provide immediate protection. Termination at rtu with welded lap. Some observers suggest it s harder to replace a flat roof than a traditional pitched shingle roof because of the labor required to remove its layers especially on older flat roofs.

On a flat roof generally speaking you want to avoid any types of seams if at all possible. But the flat roof is one of a building s most highly loaded components and waterproofing it is particularly challenging. Typical methods include banding pitch pockets and cover flashings. Flat roof waterproofing with resitrix epdm roofing membranes reliable roof waterproofing for all flat roof systems.

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. Membrane roofs are attached in a variety of ways. Roof membrane layout adhered. 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.

Roof membrane layout mechanically attached. Grace roof detail membrane is the only product available today designed specifically for waterproofing critical roof detail areas. Four plies denotes a four layer flat roof membrane system. What typical detailing methods are used to seal flat roof penetrations.

Side lap detail mechanically attached. Flat roofs are hard to replace. Side lap detail fully adhered system. A flat roof usually consists of the following.

The number of plies on a roof implies the number of layers i e. Flat roof construction for residential. Vertical wall edge termination. In the warm flat roof construction there is insulation packed into every possible space where air can flow.

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. 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. Flat roofs are practical affordable and are celebrating an architectural comeback.

This could mean flat roofs may not raise the same red flags they used to. A roof is considered to be flat when it is of a slope of 1 5 o to the horizontal. But now flat roofs often are constructed with fewer layers because of improved waterproofing technology.