Selvage Roofing Definition

In knitted fabrics selvages are the unfinished yet structurally sound edges that were neither cast on nor bo.

Selvage roofing definition.

Area does not tie into any other roofs. The edge on either side of a woven or flat knitted fabric so finished as to prevent raveling specifically. Breather type with fiberglass backing to reduce wrinkles and buckles. That portion of roll roofing overlapped by the succeeding course to obtain double coverage.

1 an edge or edging that differs from the main part of a fabric granule surfaced roll roofing or cap sheet or other material. 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. 2 a specially defined edge of the material lined for demarcation which is designed for some special purpose such as overlapping or seaming.

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 selvage or selvedge is a self finished edge of a piece of fabric which keeps it from unraveling and fraying. A narrow border often of different or heavier threads than the fabric and sometimes in a different weave. Shed roof roof design of a single roof plane.

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