Thompson's One Coat Water Seal uses a unique micro silicone emulsion to stop water penetration. Apply just one coat of Water Seal directly onto damp surfaces to provide long lasting waterproof protection within hours.

The solution is perfect for use on brick, concrete and stone surfaces. It can be applied directy onto damp surfaces and stops damage caused by freeze and thaw.

Still not sure? For more information see the following Waterproofing Guide.