1 Ghouls (G's for short). 2  Grabbers-zombies trapped inside abandoned cars who are still dangerous because they can reach out of the windows. 3  Infected-Broad term for zombie, although technically, it refers specifically to living people transformed by a virus. 4  The infected typically move at full human speed.
What is roofing underlayment? Roofing underlayment is a water-resistant or waterproof barrier material that is installed directly onto your roof deck. It is applied under all other roofing materials as an added layer of protection from severe weather. There are three main types of roofing underlayment: Asphalt-saturated felt. Non-bitumen synthetic underlayment. Synthetic underlayment (technically non-bitumen synthetic underlayment) is the preferred underlayment of most roofing professionals today. Synthetic underlayment basemat is saturated in asphalt. The addition of fiberglass gives synthetic products superior tear resistance and stability.
1 Underlayment: Rolls of plywood, fiberboards or other rolls of material that serve as a buffer between the subfloor and the surface, improving stability. 2  Finish floor: The actual materials you see and walk on, such as tile or stone. Subfloor: Usually already intact; generally plywood, which provides support for everything. 2  Underlayment: Rolls of plywood, fiberboards or other rolls of material that serve as a buffer between the subfloor and the surface, improving stability.