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Building Notes

9/1/2015 through 8/4/2015

1. Definition


1. Definition  9/1/2015

"Building board, also known as wallboard, plasterboard, or drywall, is one of the most commonly used building components in the world today. Building board is frequently used within the interior of a dwelling, where it functions both as a finished wall covering and as a structural room partition. Building board can also be used on the exterior of a dwelling, where it serves as a sheathing to provide weather protection and insulation. Building board can also be used as an interior facing for other structures as well, such as stairwells, elevator shafts, and interior ducting."

"One particularly popular form of building board is known as glass reinforced gypsum (GRG) board. An example of one such board is disclosed in U.S. Pat. No. 4,265,979 to Baehr et. al. Baehr discloses a building board constructed from opposing glass fiber mats with an intermediate gypsum core. This construction provides a hardened external surface and is an improvement over earlier paper faced boards."

 U.S Patent 9,096,036 (August 4, 2015), “System and Method for Constructing Composite Building Boards Using Thermoplastic Films,” Robert Joseph Hauber, and Gerald D. Boydston (CertainTeed Gypsum, Inc., Tampa, Florida, USA).



Roger D. Corneliussen

Maro Publications


Copyright 2015 by Roger D. Corneliussen.
No part of this transmission is to be duplicated in any manner or forwarded by electronic mail without the express written permission of Roger D. Corneliussen