What is a gravel stop on a roof?

: a metal flashing shape attached to roof structure to protect the roof edge against water penetration and to contain a built-up roof and prevent its gravel surface from falling over the roof edge.

What is a gravel stop designed to do?

Description: Gravel stops and fascias are used where flat roofs end to provide a weathertight transition between roof and wall.

What is gravel stop flashing?

The gravel stop critical perimeter edge flashing is used on single-ply low-slope roofs to provide a continuous finished edge for roofing material.

How do you install a gravel stop?

Install gravel stop by engaging hem on cleat and rotating back onto roof over membrane. Secure with 1-1/2” stainless steel nails (provided) in all pre-punched holes (6“ o.c.). A splice plate is required at every joint. Allow a ¼” gap between gravel stop pieces to allow for thermal expansion.

What is roof gravel?

Gravel to protect Built-Up Roofs

A layer of gravel, or small stones, is applied on top of the final coating of asphalt to protect the roof from the elements, including ultraviolet (UV) rays and hail. The gravel is embedded into the top coat of asphalt (known as a flood coat), which helps the gravel stay in place.

Why did they put rocks on roofs?

In this roofing system, the gravel or rock is providing an extra layer of protection from the elements to prevent the underlying material from UV exposure which helps prevent cracking and blistering. In this instance, the rocks or pebbles are helping extend the lifespan of the roof.

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Is tar and gravel roof good?

Of all the flat roofing options, a tar and gravel roof is the most budget-friendly and can have a lifespan of up to 30 years with regular maintenance and repair. It provides excellent protection against UV rays, it is energy efficient and is a great option for windows and decks that overlook the roof.

Roofs and roofing