Once the TPO membrane has been rolled out over the roof, it is secured to the roof’s cover board with a mechanical tool or adhesive. To complete the TPO installation process and effectively ...

For materials like modified bitumen (similar to asphalt roll roofing), apply ... you could apply a liquid elastomeric membrane over the affected area or the entire roof with a paint roller.

Dear Olivia: It would have been much better if the contractor had used durable tin or copper for that low roof initially, but those materials are much more expensive than asphalt rolled roofing.

Finanally, all the way at the bottom, there is a root barrier comprised of a durable plastic layer that rests on top of the roof’s waterproofing membrane to prevent root encroachment.

The high-performance roof membranes recently received an environmental product declaration (EPD) that provides a full cradle-to-grave life-cycle analysis, underscoring the membrane’s longevity ...

Instead of overlapping shingles, flat roofs use modified bitumen, single-ply membranes or other materials for waterproofing. So, no flat roof is perfectly flat; it only looks flat. The illusion of ...

Dear James: I have an older house. The attic was converted into a Cape Cod-type bedroom for children. The old asphalt rolled roof is leaking again. What do you suggest as the best method to fix it?