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US 6,269,595 B1Granted
Gridwall
OwnerDavid A. Blubaugh, Elmo A. Blubaughinventors
Life of this patent
Estimating the term…
Abstract
A wallboard or drywall system with two types of measuring indicia on on side of the wallboard or drywall, and an integral, transparent vapor barrier is applied to the back side of the wallboard or drywall. In addition, the system contains adhesive coated plastic tape which can be used to seal adjacent, mating edges of wallboard or drywall panels.
Claims7
A wallboard comprising:
- a panel having a length, width, thickness, and having a front surface and a rear surface,
- a plastic sheet secured to said rear surface of said panel,
- one of said panel and said plastic sheet having indicia placed thereon,
- said indicia being vertical and horizontal lines, forming squares,
- adjacent horizontal and vertical lines being formed at a specified distance from each other, and
- said panel has at least one second plastic sheet attached to said rear surface via said plastic sheet along at least one side of said panel,
- only a portion of said second plastic sheet being secured to said panel, and
- a second portion of said second plastic sheet extending beyond said sides of said panel and wherein the second plastic strip act as a vapor barrier for joints formed between adjacent panels.
5 more elements
Dependencies are inferred from the claim text.