Roof Ballast Rock

In windy areas ballast stone can actually blow off the roof creating projectiles below.

Roof ballast rock.

Our roofing ballast is commonly installed over membrane and single ply systems at 1000 1500 pounds per square. A ballasted roof means that the roof membrane is not anchored or adhered in any way to the decking material. A1 grit ballast is a natural smooth water worn and screened large gravel used for many applications. The stone ballast on a ballasted roof system is the only thing holding the roof system in place.

In the field of the roof a minimum of 10 lbs s f. 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. Unwashed landscaping decorative drainage and roof ballast stone. Ballast stone can crush the underlying insulation creating weak spots in the roof membrane.

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. Business hours monday thursday 7 00am 6 00 p m f r i d ay 7. There are no fasteners installed at all 3 and 4. The insulation is loose laid onto the decking.

It is however ballasted generally with gravel. Click here to edit text. Over time the stones move around creating bald spots where the system isn t held down at all. Medium mixed color decorative rock.

In gravel ballasted roofing systems the waterproofing membrane is covered and ballasted against wind uplift and other exposures with a layer of gravel. The firestone epdm ballasted system is an economical epdm roofing system suitable for a wide variety of buildings. White ballast can range in size from 2 1 2 3 4 inches and can be made to meet various astm standards. Ballast river rock removal ballast vacuuming services will remove all river rock from single ply roofs.

Needed at perimeters and at large penetrations. Stone ballast is no longer allowed by many building codes. 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. Stone ballast typically requires crushed graded stone placed over a stone filter sheet rolled out over the insulation.

Most importantly saves time allowing projects to run efficiently. 0 0 a m 5. Large mixed color decorative rock. Conventional gravel ballasted roofs have been built for many years and are suitable on most flat roofs and structures.

Ballast is required with 20 lbs s f. Contact hydrotech for specific installation guidelines. Single ply roofing materials aren t self adhered nor are they sealed together in any way.