Porous surface sealing compound

Details Porous surface sealing compound Porous surface sealing compound

1978-05-15

1980-08-19

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106104, C04B 702

Patent

active

042182590

ABSTRACT:
A porous surface sealing compound and moisture barrier, particularly for sealing gravel roofs and driveways, comprised of a properly proportioned mixture of portland cement, sand, calcium aluminate cement and water, the amount of water used being sufficient to form a mixture having the consistency of a heavy paint. The mixture is spread over the roof gravel, for example, with a broom, preferably of the relatively broad push type, whereby said mixture is forced through the gravel to the underlying tar paper to form a solid mass after a drying period. At least one and preferably two water barrier coats, comprised of a properly proportioned mixture of masonry cement, lime and water, is then applied thereatop.

REFERENCES:
patent: 3600203 (1971-08-01), Aldera
patent: 3861929 (1975-01-01), Deets et al.

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