Roof Counter Flashing Definition

Counter flashing see cap flashing.

Roof counter flashing definition.

Counter flashing is the opposing piece of metal aluminum fabric etc. Step flashing is a rectangular piece of flashing bent 90 degrees in the center. Cricket a small peaked saddle constructed on the top of the basic roof and behind the chimney. Counterflashing also referred to as cap flashing is the first line of defense against water infiltrating your building.

The term reglet flashing refers to an installation method for counter flashing not a separate layer. A metal used at the edges of a roof. Counter flashing is the final layer of a three part waterproof barrier installed between a roof and a vertical wall or chimney. Copyright 2003 by mcgraw hill companies inc.

Used to prevent water from entering the joints and the exposed upturned edges of base flashing on a roof. Chimney flashing a general term for flashing a chimney. A strip of sheet metal often built into masonry and turned down over other flashing. It is used for roof to wall flashing.

Pipe flashing pipe boot vent boot pipe flange a product used where pipes penetrate roofs. It is usually ornamental but may be used for. Course a horizontal unit of roofing running the length of the roof. Mcgraw hill dictionary of architecture and construction.

Counterflashing is the piece of metal that is applied to the masonry wall designed to shed water off of the wall and down onto the roof surface. Definition of counterflashing. Flashing is the corrosion resistant metal applied to a roof at the edges of walls or chimneys. The first two layers are called base flashing and step flashing.

Counter flashing cap flashing covers a base flashing. Counter flashing normally consists of the same material that makes up the primary flashing of the component. Placed opposite to base flashing or above base flashing counter flashing completes the two part team. Cupola a structure rising above the main roof.

The base flashing is installed first followed by interlaying the step flashing between each layer of shingles. This term can be used in different scenarios however it generally refers to a waterproofing detail that is located along a roof edge over a window or door or any other area that will require waterproofing. A cricket is generally not required. Step flashing soaker base flashing pieces of flashing material which overlap each other in steps.

A strip of sheet metal in the form of an inverted l built into a vertical wall of masonry and bent down over the flashing to make it watertight.