Drainage mat and mortar blocker
AssigneeOwens Corning Fiberglass Technology, Inc.
InventorsJames R. Brunson, C. Davis Carman, Michael B. Obermeyer
Life of this patent
Estimating the term…
Abstract
A drainage mat and mortar blocker system including a panel and polymeric drainage mat which includes protrusions on the front side and indentations on the back side of the mat. A filter fabric is affixed to the side of the mat containing the protrusions. The top portion of the back side of the drainage mat is affixed to the panel and the bottom portion of the mat is folded upward so as to form a U-shape. The U-shape is held in place by connections extending from the back side of the bottom portion of the drainage mat and into the front side of the drainage mat.
Claims46
A drainage and mortar blocker comprising:
- a) a drainage mat comprising apertures wherein said drainage mat has a front and a back side each comprising a top and a bottom portion wherein said front side comprises a filter fabric, wherein said bottom portion is displaced to extend upwardly juxtaposed said top portion to form a channel for collecting fallen debris.
A method for producing a drainage and mortar blocker comprising the steps of:
- a) providing a drainage mat comprising apertures wherein said drainage mat has a front and a back side each comprising a top and a bottom portion and wherein said front side comprises a filter fabric;
- b) bending said bottom portion of said mat so that said bottom portion of said mat extends juxtaposed said top portion forming a channel for the collection of fallen debris;
- and
- c) connecting said bottom portion to said top portion of said drainage mat.
A method of installing a drainage and mortar blocker in a wall cavity comprising the steps of:
- a) providing a drainage mat comprising apertures wherein said drainage mat has a front and a back side each comprising a top and a bottom portion wherein said front side comprises a filter fabric;
- b) connecting said bottom portion and said top portion of said drainage mat wherein said bottom portion extends upwardly adjacent said top portion;
- c) providing an interior wythe having an exterior surface;
- d) providing an exterior wythe having an interior surface;
- e) affixing said drainage mat and mortar blocker on said exterior surface of said interior wythe;
- f) severing said connections so that said bottom portion of said drainage mat at least partially abuts said interior surface of said exterior wythe.
Dependencies are inferred from the claim text.