Stock material or miscellaneous articles – Sheet including cover or casing – Encased layer derived from inorganic settable ingredient
Patent
1991-05-20
1993-08-17
Lesmes, George F.
Stock material or miscellaneous articles
Sheet including cover or casing
Encased layer derived from inorganic settable ingredient
428 70, 428 74, 428 77, 428 78, 428 81, 428189, 428190, 428920, 156 622, 524 13, 524 35, 524 62, 524493, 524494, B32B 316, B27N 900, C08K 334
Patent
active
052367576
ABSTRACT:
An insulating board in which the capacity to absorb the moisture exemplified by wood fiber based board, cellulose fiber based board and perlite based board is coupled with the high permeability of fiber glass insulation to provide a board having a balance between the capacity to hold moisture and sufficient permeance to allow the board to give up the moisture as the board is passed through a cycle of absorption and desorption, whether it be on a daily or seasonable cycle is provided with an air retarder sheet laminated thereto, which while it provides an air retarder and a water shield has a high permeance so as to allow water vapor to pass through.
REFERENCES:
patent: 3979537 (1976-09-01), Troyer
patent: 4472243 (1984-09-01), Bondoc et al.
patent: 4513045 (1985-04-01), Bondoc et al.
patent: 4634622 (1987-01-01), Jenkins et al.
Easley Steven C.
Kates Jeffrey T.
Probst James M.
E. I. Du Pont de Nemours and Company
Lesmes George F.
Manville Corporation
Quinn Cornelius P.
Shelborne Kathryne E.
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