On the priming coat was mopped a coat of waterproofing compound, applied hot, and covered with a layer of fine sand.
The first patent for waterproofing seems to have been granted in 1791.
It can also be made available for waterproofing articles such as sails or awnings, but for flexible fabrics it is not suitable.
Then a waterproofing contractor agreed to make the reservoir water tight with paper and tar, by applying it on the inside.
One use they put it to was the waterproofing of their cloaks.
The following are examples from actual practice of waterproofing with bituminous coatings.
The one feature of shoe selection which seems to appeal to the average sportsman is waterproofing.
Where a heavier waterproofing is necessary the waterproofing compound is covered with one or more ⅝-in.
waterproofing by paraffin is a most satisfactory process and the one most used by tent manufacturers.
After the waterproofing with pitch and felt had thoroughly hardened it was plastered over with a trowel with a 1-in.