Roof Ballast Rock

The stone ballast on a ballasted roof system is the only thing holding the roof system in place.

Roof ballast rock.

Contact hydrotech for specific installation guidelines. Stone ballast typically requires crushed graded stone placed over a stone filter sheet rolled out over the insulation. It can be applied on any building that can accommodate the extra load of the ballast and where the roof slope does not exceed 10. In windy areas ballast stone can actually blow off the roof creating projectiles below.

In gravel ballasted roofing systems the waterproofing membrane is covered and ballasted against wind uplift and other exposures with a layer of gravel. Medium mixed color decorative rock. A ballasted roof means that the roof membrane is not anchored or adhered in any way to the decking material. Ballast is required with 20 lbs s f.

Most importantly saves time allowing projects to run efficiently. Next the membrane is rolled over the insulation 2. Conventional gravel ballasted roofs have been built for many years and are suitable on most flat roofs and structures. Ballast river rock removal ballast vacuuming services will remove all river rock from single ply roofs.

0 0 a m 5. Unwashed landscaping decorative drainage and roof ballast stone. White ballast can range in size from 2 1 2 3 4 inches and can be made to meet various astm standards. Ballast stone can crush the underlying insulation creating weak spots in the roof membrane.

The firestone epdm ballasted system is an economical epdm roofing system suitable for a wide variety of buildings. There are no fasteners installed at all 3 and 4. In the field of the roof a minimum of 10 lbs s f. Business hours monday thursday 7 00am 6 00 p m f r i d ay 7.

Ballast is commonly used with roofs made of tar and gravel roof alternatives including ethylene propylene diene monomer epdm polyvinyl chloride pvc and thermoplastic polyolefin tpo single ply flat roofs. Our process as opposed to traditional forms of removing ballast reduces intense labor portions as well as minimizes risk of damaging roofs with shovels wheelbarrows. Large mixed color decorative rock. It is however ballasted generally with gravel.

The insulation is loose laid onto the decking. Stone ballast is no longer allowed by many building codes. Over time the stones move around creating bald spots where the system isn t held down at all. A1 grit ballast is a natural smooth water worn and screened large gravel used for many applications.

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. Our roofing ballast is commonly installed over membrane and single ply systems at 1000 1500 pounds per square. Click here to edit text.