WATERPROOF CEMENT.

Wairarapa Age, Volume XXXII, Issue 10686, 5 August 1912, Page 4

WATERPROOF CEMENT.

[Reference wa-s made recently inthese cokvmns to the mere general purposes to wnk<h cement can. be applied. It wSU, imterefore, be of interest to readers to torn of a new discovery, which will sltill further wuden the sphere of its usefulness. An Qtticer of the United States Department of Agriculture lis t/liie '.nVi'ivtoi af a new waterproof process;, wliicb consist® in simply mixing oil with tho cemenft, wlh'ieh (principle also applies .to mortatrs and concretes. H pro*duces a concrete that, x< the place, will -boW water, amd may- be I '1193 d for yiich purposes as Water tank?. Ooneretes that are otherwise easily.. | permeated by water become , water- ' proof, as a liniing of waterproof. eminent ior concretae. will make an, otherwise porus /structure watertight. Trials have 'been made on stives and on the surface'or .roadway of bridges and succeSig has resulted. It has Jieen cried for vaults and cellars and basements of buildings and they have v. ma|ined ■watartigtet. The top yof . ;•,. ila.t .reinforced arch, iOO feet long, 'fes been covered, after-.it 'had set, with three inches' of a 10 per cent oil mixture and the vault has Remained perfectly waterproof under very itrying conditions/ -«o imolstuire enters the x Jillsof houses, built of this waterproof, :and water poured on a basement floor willl! a-01l up in. globules, instead of entering toe cemidn*. JNow '.thsu- the motor tramc in -the Dominion is growing into, such large proportione, same.special attention will have, tp'ibe paid to roadways Ifqa'./tMs pjirticular class of traffic, and tracks for motors may in the near futul'e have to ibe, specially' .aid. ■ " Trie use Of waterproof cement for, roads may, on acunt ef its durability, proVe to be "i*?e cheapest and "uest that can be found.