base flashing

base flashing

[′bās ‚flash·iŋ]
(building construction)
The flashing provided by upturned edges of a watertight membrane on a roof.
Any metal or composition flashing at the joint between a roofing surface and a vertical surface, such as a wall or parapet.

base flashing

base flashing
1. The flashing provided by upturned edges of a watertight membrane on a roof.
2. Any metal or composition flashing at the joint between a roofing surface and a vertical surface, such as a wall or parapet.
References in periodicals archive ?
Roof membranes that are not resistant to a contaminant exhausted onto the roof, poor application of material, and/or neglect of the system are also reasons for leaks found in base flashing.
9 Install modified bitumen self-adhered base flashings and torched applied cap flashings.
After the copper had been ripped away from the roof, the base flashings were usually just covered over with tar and sealed.
System shall include modified bitumen base flashings and roof flashing penetrations.
After the copper has been ripped away from the roof, the base flashings were usually just covered over with tar and sealed.