Work is guaranteed and we have a long list of satisfied customers. We waterproof house roofs including flat roofs, concrete slab roofs, pitched tiled roofs, balconies, skylights, parapet walls, sidewalls, chimneys and chimney flashings, leaking chimneys, plumbing vent pipes, dome skylights, plumbing inspection covers, tiled roofs, roof ridging, IBR roofs, corrugated roofs and box gutters.