Flat Roof Gravel Stop Detail

Gravel to protect built up roofs.

Flat roof gravel stop detail.

A built up roof bur sometimes called a tar and gravel roof is a tried and true style of flat roof. There are two sheets a gravel stop and a fascia joined on the curb by a standing seam. Since no gutters or conductor heads are provided the scupper spout should extend beyond the exterior face of the building. They combine to make a long lasting sturdy roofing system 1.

Membrane coated roof flange enables welding a separate skirt to both the flange and the installed roof membrane to provide a watertight seal. What is a gravel stop. Gravel stop is offered in a wide variety of materials gauges and colors. A gravel stop is a metal edge that features an angled bend at the top.

The gravel stop system incorporates a standard 3 deep 90 roof flange that easily accepts stripped in. This detail shows a gravel stop installed on a wood curb but set back from the fascia face. The gravel stop provides an architectural visually attractive termination with a canted edge. Top x 10 feet with 1 2 inch rise and 1 4 inch drip kick on face 26 gauge galvanized with brown finish.

Called a gravel stop it works on any kind of flat roof and comes in many colors. Built up roofs or burs also called a tar and gravel roof are a style of flat roof. There are different types and weights of gravel used on flat roofs for these purposes. All joints of the scupper should be soldered.

Dynaclad edge gravel stop system incorporates the same continuous 22 ga steel or 040 aluminum cleat for ease of installation and proper positioning and is pre punched with fastener holes 12 o c. Face x 6 in. This type of edge metal is designed for installation on flat rubber roofs with gravel. This detail illustrates the installation of a scupper through a raised roof curb with a gravel stop.

The lower edge of the fascia locks into a continuous edge strip and is formed into a drip with a 3 4 lock. On the face and 6 o c. It is made up of alternating layers of roofing felt or fiberglass and asphalt that is applied with heat. A version utilizing uncoated metal roof flanges is available for use in an epdm roofing system.

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. Scupper at raised roof curb. Fha gravel stop metal with drip edge 3 in. 3 x 6 in.

It features an angled bend at the top known as the gravel stop. Its main function is keep water and gravel from washing away from the edge of a building structure. Once the flashing is in place the roof is ready to face the elements.