The first patent for waterproofing seems to have been granted in 1791.
One use they put it to was the waterproofing of their cloaks.
Waterproofing by paraffin is a most satisfactory process and the one most used by tent manufacturers.
The one feature of shoe selection which seems to appeal to the average sportsman is waterproofing.
Then a waterproofing contractor agreed to make the reservoir water tight with paper and tar, by applying it on the inside.
Outside of the manufacturers of waterproofing material the art has received serious study by comparatively few persons.
For these reasons any discussion of waterproofing for concrete is at the present time bound to be unsatisfactory.
Where a heavier waterproofing is necessary the waterproofing compound is covered with one or more ⅝-in.
On the priming coat was mopped a coat of waterproofing compound, applied hot, and covered with a layer of fine sand.
The following are examples from actual practice of waterproofing with bituminous coatings.