Flat Roof Gravel Stop Detail

Gravel stops are in general about 3 4 high and formed from copper sheet 8 to 10 feet long.

Flat roof gravel stop detail.

The copper apron extends 4 onto the roof deck. It is made up of alternating layers of roofing felt or fiberglass and asphalt that is applied with heat. The sheets are fastened to the roof deck by nails spaced 3 o c. The ends are lapped 3 minimum.

The gravel stop system incorporates a standard 3 deep 90 roof flange that easily accepts stripped in membrane roofing products. Gravel stop the gravel stop provides an architectural visually attractive termination with a canted edge. They combine to make a long lasting sturdy roofing system 1. Its main function is keep water and gravel from washing away from the edge of a building structure.

Gravel stop edge metal is custom fabricated to any measurements and it usually measures 10 in length but can also be bent in 12 lengths. Atas gravel stop is provided in 12 0 lengths with interior splice plates and required ring shank nails for a quick and easy installation. This system easily incorporates sump and spill outs as required. Built up roofs or burs also called a tar and gravel roof are a style of flat roof.

The gravel stop system includes a continuous 22 ga steel cleat with roof flange for easier installation and proper location and is pre punched with slotted fastener holes. The lapped joint on the horizontal flange is set in mastic or elastic sealant. This type of edge metal is designed for installation on flat rubber roofs with gravel. What is a gravel stop.

It features an angled bend at the top known as the gravel stop. Gravel stop is offered in a wide variety of materials gauges and colors.