Selvage Roofing Definition

Selvage that portion of roll roofing overlapped by the succeeding course to obtain double coverage.

Selvage roofing definition.

Glossary 2 7 uses technologies including php and sql. Selvage 1 an edge or edging that differs from the main part of a fabric granule surfaced. Roll roofing material with 19 selvage edge for double coverage over roof deck. Selvage definition is the edge on either side of a woven or flat knitted fabric so finished as to prevent raveling.

It is a low cost mineral granule surface roof covering for use on low slope roofs. End laps when installing rolled products in roofing the area where a roll ends on a roof and is overlapped by the next. The re roofing specialists 2243 31 st n. This material is some times referred to as sis double coverage or according to astm standard d 371 89 standard specification for asphalt roll roofing.

It is available in most popular colors and has a 4 in. On the yellow fabric pictured the selvage isn t printed. End laps when installing rolled products in roofing the area where a roll ends on a roof and is. Nineteen inch selvage double coverage or split sheet.

Roll roofing material with 19 selvage edge for double coverage over roof deck. A narrow border often of different or heavier threads than the fabric and sometimes in a different weave. On the green fabric pictured the selvage matches the rest of the fabric. It s the white strip at the edge.

Eaves the roof edge from the fascia to the structure s outside wall. The black mineral surface rolled roofing is a general purpose roofing product recommended for use in new roofing and re roofing installations. In general terms the first three feet across a roof is termed the eave. In woven fabric selvages are the edges that run parallel to the warp the longitudinal threads that run the entire.

A prepared roofing sheet with a 17 inch 430mm granule surfaced exposure and a non granule surfaced 19 inch 485mm selvage edge. If the threads won t come apart it s the selvage. Sometimes it s harder to distinguish the selvage. Roofing nails and staples driven into decks at an angle not perpendicular to the roof deck surface.

The term self finished means that the edge does not require additional finishing work such as hem or bias tape to prevent fraying. In general terms the first three feet across a roof is termed the eave. The engineered wood association the apa. A system of interacting roof components generally consisting of a membrane or primary roof covering and roof insulation not including the roof deck designed to weatherproof and sometimes improve the building s thermal resistance.

Eaves the roof edge from the fascia to the structure s outside wall.