• HQ Call: +27 (0)12 660 1616
  • Email: info@gast.co.za
  • GAST Liberty Park 96, Achilles Str. Zwavelpoort, Pretoria, South Africa

We provide world-class waterproofing systems and designs

Whether you are a property owner, architect or designer, if you have a building to protect from the damaging effects of moisture or water, you have come to the right place. GAST provides world-class waterproofing systems and designs that will give you absolute peace of mind. Being one of the first manufacturers and installers of waterproofing systems in Africa some 50 years ago, GAST gives you surety and superior quality in all waterproofing aspects.

We offer various types of waterproofing solutions in South Africa for retainer walls, parking decks, balconies, walkways, hotels, shopping malls, office blocks and schools.  If you need any help or advice choosing the right product for your specific project, you can get in touch with us. We will make sure we provide the best application for your building. Alternatively, read more about our different waterproofing products.

Applications

• Retainer walls
• Parking decks
• Balconies
• Walkways
• Hotels
• Shopping Malls
• Office blocks
• Schools
• Mines

Applications

• Retainer walls
• Parking decks
• Balconies
• Walkways
• Hotels
• Shopping Malls
• Office blocks
• Schools
• Mines

Our waterproofing products

Bitumen liquid waterproofing

Ideal for both residential and commercial buildings, bitumen liquid waterproofing offers excellent waterproofing capabilities. The extremely sticky and viscous substance is ideal for waterproofing brick, concrete and metal surfaces. Read more.

Acrylic liquid waterproofing

This water-based, acrylic waterproofing is a cost-effective method of waterproofing new and existing roofs. It can also be used for car parks, walkways, balconies and other structures. Read more.

Cementitious waterproofing

Modern polymer modified cement-based waterproofing systems are strong and durable. This system can be used for water tanks, swimming pools, walls, bathrooms floors and terraces. Read more.

Flame applied waterproofing

Flame applied waterproofing ensures reliable protection against water and damp. Bitumen, the key waterproofing ingredient, is torched onto a surface, creating a strong, watertight seal. Read more.

Paints and coatings

We provide products that ensure the best waterproofing applications for roofs and other outdoor surfaces. Read more.

Epoxies

Epoxy resins ensure chemical resistance, heat resistance and strong adhesion.  We provide epoxy applications ideal for various applications. Read more.