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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

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.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
However, when I inspected the base flashing on the roof above that area, it was in very good condition.
Complete the base flashing by nailing the saddle to the roof and sealing it with additional strips of membrane (Photo 6).
* Base flashing. This seals the field membrane at the upturned edges and is found at parapets, penthouse walls, and equipment penetrations.
The lower base flashing has a flexible rubber collar that friction-fits around the pipe; you install it and shingle around the metal base as you would a standard vent flashing.
You'll gain the confidence to expertly make both the hem folds for a base flashing (Photo 5) and the tricky, narrow, 1/4-in.