Liquid Waterproofing Applications


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Liquid waterproofing systems consist of two types: Acrylic Waterproofing and Bitumen Waterproofing. These waterproofing systems are more flexible which makes them better suited to smaller, more intricate areas where the torch-on membrane cannot be used.

Acrylic waterproofing

An SBP or Stitch Bonded Polyester membrane is combined with a high-performance acrylic-based waterproofing paint to create an acrylic waterproofing system. This is a strong yet flexible waterproofing solution that can withstand high water pressure, high temperatures and move with the structure.

Acrylic waterproofing is most commonly used on small roof areas, parapets, flashings, ridge caps and around skylights.

Acrylic waterproofing application process

The area must be cleaned prior to application as oil or dirt will prevent the solution from sticking to the surface. First, one coat of the acrylic paint is applied to the area and then, the SBP (Stich Bonded Polyester) membrane is embedded. At least three coats are required to form a protective barrier against water.

It is best to apply acrylic waterproofing during the drier months of the year. This gives the application time to dry completely and form tight seal.

 

Bitumen waterproofing

Bitumen is a thick and sticky substance and when combined with a SBP (Stich Bonded Polyester) membrane, it creates a durable and versatile waterproof barrier.

Like acrylic waterproofing, liquid bitumen is ideal for small areas such as flashings, parapet walls and around skylights. It can also be used to waterproof overlaps and bolts on IBR, Corrugated and Cliplock roofs.

Advantages of bitumen waterproofing

Flexible and durable, bitumen waterproofing can also be applied to damp surfaces. Although it is not UV stable, it can be coated bituminous aluminium silver roof paint.