Roof Ballast Rocks

This all takes time and costs the building owner more money.

Roof ballast rocks.

The roofing contractor will have an area onsite to stockpile the vacuumed gravel to be used in the re ballasting process. Plus the only way you re able to see the membrane is to move the ballast. Conventional gravel ballasted roofs have been built for many years and are suitable on most flat roofs and structures. Built up roofs are designed to be fully adhered to the underlying roof matrix either the roof deck or insulation that is above the roof deck.

The weight can vary from 10 pounds per square foot the minimum allowed by code to 25 pounds or more. But the former uses a very thin layer of crushed stone or pea gravel that is not larger than 1 4th inch in diameter. The stone used for single ply ballast has been sized using astm d448. The ballast stones not pavers can be moved around by the wind and in some cases have caused dangerous flying projectiles during wind storms.

With the help of our experienced crew and cutting edge equipment we suck away the gravel so you can enjoy a new roof that s. Using the rock removed and stockpiled onsite the rock will be evenly distributed at the specified amount over the contracted work area. In fact the weight of the stone ballast is the only item holding the roof components in place. The heavier stones provide substantial protection against wind gusts.

Roof gravel removal and equipment for businesses and contractors. When you need to have your gravel roof replaced emi roof vacs provides dependable and budget friendly roof gravel removal for any commercial building. Ballast stones are usually one to two inches thick and applied more generously than on a built up roof. Once the new membrane is installed the reballast can begin.

In a ballasted roof the stones are much larger at least an inch in diameter and applied much more heavily. This is partially embedded into a topcoat of asphalt in order that it be protected from the sun s uv rays. For that reason many roofers are moving to all pavers with this system. Tar has a low melting point.

The stones force it to stay put. In a typical tar and gravel roof which by the way is gradually being supplanted by gravelless roof systems you put down a layer of tar paper then tar and finally gravel. Roofer is shoveling stone out of the way. As mentioned ballasted roof systems are less common in new construction and replacement but can be appropriate in some cases.

Roofing southwest a ballast system helps cut roof system application costs as it takes less time to install since sealing the layers together isn t necessary. Ballasted roof systems hold dirt and dust in between the stone which makes finding small punctures very difficult. In gravel ballasted roofing systems the waterproofing membrane is covered and ballasted against wind uplift and other exposures with a layer of gravel. Bur s and ballast roofing systems brs s are topped with rocks.