Waterproofing,

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1908 edition. Excerpt: ...the triumphs of modern waterproofing is to be found in the city of Pittsburg, for it is here, during the floods to which the city is periodically subjected, that waterproofing is put to its severest tests. During those trying intervals, wjien millions of dollars were lost in the great inundations a few of the more modern bildings bore eloquent testimony to the efficacy of the general design and waterproofing methods which had been employed, by the absolute immunity from damage by water, while adjoining bildings were severely injured. In the appendix to this paper will be found a number of sets of typical specifications for waterproofing such structures as bilding foundations, pumping chambers by the bituminous and integral methods, and also railroad bridges, tunnels, etc., also the composition of some of the waterproofing compounds in use, and a short bibliography of the subject. Before closing I want to say a word on cost. This I will only give in a general way suitable for very rough estimates. Conditions are too variable to estimate safely without previous investigations. Cost Of Waterproofing. Horizontal j Hot coal-tar and felt--1st ply--#2 to 84 per square (100 sq. ft.) Additional--.¥1.50 to.$2.50 per square. Vertical Add 10% to 25% Pressure work 1 ply $4 to 85 per square. Commercial asphalt and asphalt felt Add 15% to 60% per ply. Special asphalts and felts Add 30% to 50% per ply. Cold process--felt or burlap Same as commercial asphalt. Asphalt mastic 1 in 15f per sq. ft. Cement waterproofing compounds--1 in. on floors, £ in. to f in. on walls...8 to 30 per sq. ft. Dampproofing masonry walls--2 coats applied in place 2 to 4? per sq. ft. There is a great deal more that could be said on this subject but I trust that what has...