A flat roof is the easiest type to build and ... They need to be “popped” to let the air out, then patched with roofing ...

Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Lowe is a lead editor, covering all things related to home improvement and ...

Reinforced autoclaved aerated concrete (RAAC) is a lightweight material that was used mostly in flat roofing, but also in floors and walls, between the 1950s and 1990s. It is a cheaper alternative ...