River Rock Roof Ballast

A ballasted roof means that the roof membrane is not anchored or adhered in any way to the decking material.

River rock roof ballast.

It is however ballasted generally with gravel. Magazine and roofing southwest although. Vacuuming ballast river rock also controls dust and removes all crushing run rocked from roofing systems. The gravel in a ballasted roof helps absorb heat preventing the sun from heating the roof materials below and making the roof more energy efficient.

This process begins with vacuuming all 1 to 2 5 river rock from single ply roof systems. Smaller stones work well filling in between stepping stones or as flowerbed mulch while larger stones help with erosion control. The size of stone you choose affects how many bags or tons it takes to cover the area you re landscaping. Additional benefits of ballast on a flat roof.

Once the new membrane is installed the reballast can begin. Our river rock removal process provides the quickest cleanest and most time efficient way to remove gravel. By rob harris river rock comes in several sizes such as 1 1 2 inch stones or 4 inch stones. Stone ballast is no longer allowed by many building codes.

When the concept first came to the u s plenty of roofers scratched their heads and wondered how the roof stayed on without being anchored especially during high winds or storms. Ballast stone can crush the underlying insulation creating weak spots in the roof membrane. The rock ply membrane is printed with the appearance of a ballast roof. Ballasted flat roofs are a popular choice especially for commercial buildings.

The shingle ply membrane is printed with a shingle design in sandstone tan or slate gray. Over time the stones move around creating bald spots where the system isn t held down at all. The roofing contractor will have an area onsite to stockpile the vacuumed gravel to be used in the re ballasting process.