Waterproofing Solutions for Commercial, Industrial or Residential Buildings

Membrane Waterproofing

Roof Membranes

The waterproofing teams at Gunac use the best quality materials and have 40 years experience applying membranes.  Architects, landlords and construction companies trust Gunac to waterproof their most complex and intricate designs. We ensure your building is watertight.

High Perforrmence Waterproofing and coatings

Walls and Buildings

With over 40 years of waterproofing experience not only will your walls and roofs receive the best quality waterproofing systems. These superior waterproofing solutions include coatings, sealants and expansion joints.  Whatever your requirement we will meet your needs.


Torch or membrane or according to the architects specifications. Gunac will ensure your deck is waterproofed to give years of trouble free living. Producer statements and warranties are part of the peace of mind Gunac’s professional waterproofing service delivers to you.