Selvage Roofing Definition

Designed for nail placement and sealant.

Selvage roofing definition.

1 an edge or edging that differs from the main part of a fabric granule surfaced roll roofing or cap sheet or other material. Breather type with fiberglass backing to reduce wrinkles and buckles. 2 a specially defined edge of the material lined for demarcation which is designed for some special purpose such as overlapping or seaming. The term self finished means that the edge does not require additional finishing work such as hem or bias tape to prevent fraying.

Selvage the non exposed area on rolled roofing. In knitted fabrics selvages are the unfinished yet structurally sound edges that were neither cast on nor bo. A narrow border often of different or heavier threads than the fabric and sometimes in a different weave. A selvage or selvedge is a self finished edge of a piece of fabric which keeps it from unraveling and fraying.

Shingle mate gaf s shingle underlayment. Shed roof roof design of a single roof plane. The edge on either side of a woven or flat knitted fabric so finished as to prevent raveling specifically. In woven fabric selvages are the edges that run parallel to the warp and are created by the weft thread looping back at the end of each row.

A bituminous waterproofing agent used in various types of roofing materials.