German Building Technology specialises in heavy duty insulated torch-on waterproofing systems, as well as slate roofing waterproofing and repairs. Maintaining a healthy roof can reduce climate control costs and the expense of water damage. With many years of experience we have been providing superior roofing and re-roofing in Johannesburg and surrounding provinces.
German Building Technology offers waterproofing solutions for:
• Slate Roofs • Concrete Slab Roofs • Flat Roofs • Low-Pitched Metal Roofs
Waterproofing of Low Pitched IBR or Corrugated Metal Roof
Our solution: Isobond Insulated Waterproofing System is fitted over existing roof structure or sheeting.
Waterproofing membrane torched on over existing roof structure and secured with rubberised bitumen flashing. Painted with ISOBOND system with aluminium UV protection coating. 100% Waterproof with a 10 Year manufacturer’s warranty given on materials used.
Waterproofing & Tanking System of Concrete Roofs
Our solution: Prime concrete surface with bitumen primer. Waterproof concrete surface with torch on system. Waterproof membrane fitted over concrete surface to seal it. Apply one heavy coat of aluminium UV protection coating.
Waterproofing & Repairs of Slate Roof Tiles
Our solution: Replace perished slate underlay with new SLATEX / SLATEFLEX malthoid membranes.
Conventional slate: fully overlapped natural slate nailed onto battens. Alumaz slate: top nailed natural slate nailed onto battens in conjunction with a malthoid under tile membrane with aluminium UV protection foil. Everite slate: fibre cement tiles nailed onto battens.
With many years of experience we have been providing superior roofing, re-roofing and waterproofing solutions in Johannesburg and surrounding provinces. Since we’ve been in business our number-one goal has been to provide quality work, reasonable pricing and safe, friendly service.
Our heavy-duty waterproofing systems are guaranteed for 10 years. We are members of the Waterproofing Federation of SA and the Master Builders Association.