Waterproofing

In Prey Lang, for example, deforestation means indigenous collectors can no longer tap chboh trees for resin, an essential ingredient in varnish, sealing wax for waterproofing boats, waterproofing products, and torches for lighting houses in the village.

One hundred thirty-one small, highly permeable masonry wall specimens built of concrete blocks or of bricks were treated with cement-water paints or with other waterproofings.