AbstractA method of constructing a weatherproofcoating over a roof comprises laying a piece or piecesof cloth over a roof, bonding the pieces of clothtogether at any seams, adhering the cloth to the roofsurface at least at the edges and projections, thencoating the cloth with a liquid elastomeric siliconecomposition. The composition cures under ambientconditions to yield a water impermeable membrane thathas been manufactured in place.
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