Ballasted applications of EPDM have a long history in the commercial market. Today, gravel ballast and pavers are being combined with planted roof systems to create gardens that reduce heat gain and ...

Q: When you were writing about roof repair and replacement, I never saw anything on tar-and-gravel roofs. I just bought a house. At my prepurchase inspection, I was told the roof was in pretty ...

An aerial view of most urban areas shows swathes of asphalt, black tar and gravel-ballasted rooftops. Heat radiates off of the dark roofs and water rushes over the hard, hopefully impermeable ...

Q: We have a two-story house built with a back patio that is covered by a tar and gravel roof. Now when I look out on that roof, most of the gravel is gone. It apparently washed off in the rain ...

Q–Our 26-year-old home needs a new roof. The architect who designed the house advised us to consider a roof that is first covered with tar, then a layer of stones. The roof, which has a very … ...

The best roof bike racks are among the most affordable ways to safely transport your bike, especially if you already have a roof rack on your car. Most roof-mounted carriers clamp securely to your ...

Mathematical models are extremely limited at modeling ballast, the gravel layer located under railway tracks. Researchers have shown that a large part of the energy introduced by a train passing ...

The Snake Feet ballasted roof mount anchor uses common cement block ballast and supports the company’s Solar Snake Tray cable tray and conduit in carrying PV cables from solar arrays to the combiner’s ...

Q: We have a two-story house built with a back patio that is covered by a tar and gravel roof. Now when I look out on that roof, most of the gravel is gone. It apparently washed off in the rain ...