Free Waterproofing Calculators

About this product

Five free calculators for anyone fixing a roof, a water tank or a bathroom. Get your tank's capacity in litres and the area to waterproof, the number of tiles and boxes for a bathroom, how many kilos of material to buy, whether your tank is due for cleaning, and a side-by-side comparison of six waterproofing materials. Every result shows the formula it used. No sign-up, works on a phone, English and Arabic. Made by a waterproofing team in Riyadh.