Waterproofing Projects
Projects Showcase 2020/2021
Cape Town Boutique Hotel
System:
RubberGard™ EPDM 6m x 30m including base tie ins . Partial Ballast and Fully Adhered
Size: 900m2
The Opportunity
The building had Torch On which had failed and it was compromising the substrate and severely inconveniencing guests. The hotel was earmarked for a degrading. We competed against 4 companies and one the bid. Two of the companies were torch on and polyurethane spray solutions. We were not the cheapest After successful installation, the owners were so impressed they allowed us to waterproof a further 300m2 of leaking box gutter around the building Challenge was getting the rolls to the roof (8 stories) however quickly overcome.
Hout Bay Horse Stables
System:
RubberGard™ EPDM 6m x 30m including Insulation
Size: 290m2
The Opportunity
These horse stables based in an quaint village on the Coast was leaking and the horses needed protection from the strong UV in South Africa We uses insulation board which was drilled into the purlins and we applied the fully adhered system to the roof. The outcome was crazy successful. Immediately there was at an R factor reduction of 5 -10 degrees. We ended up doing the remaining horse stables
Clairmont Residential Balcony
System:
RubberGard™ EPDM 6m x 30m including Insulation
Size: 290m2
The current torch on system had failed under the tiles. The owner had this repaired twice in two years having to rip out
tiles.
We suggested removing tiles, rescreeding and applying EPDM RubberGard™ over the new substrate. We also went
under the doors which very convenient with a 1.14 thick membrane
Commercial / Industrial Box Gutters
System:
RubberGard™ EPDM 6m x 30m cut to width and length of gutter
Size: 2000m2
The Opportunity
The current spray on rubber system applied by the previous contractor had failed. The gutters were leaking and causing sever interruption of the workforce and damaging equipment. Waterproof Lab was commissioned to find a solution that seal the gutter. It was too expensive to remove the gutters. Our solution was to remove the existing failed waterproofing, re rust proof and chemically apply the 1.14 RubberGard™ EPDM to the gutters with Firestone Bonding Adhesive in 6m lengths and seam the membrane at each join. The project took 4 weeks.
House Bishops Court
System:
Koster Negative Waterproofing system
The Opportunity
This project was complicated from the start. The owner had a big swimming pool pump area in the basement which was directly in line with the water table. As the water table increased over rainy seasons, the wall would be impregnated with water causing serious damage to the the substrate and his building on basement level. The owner has had many waterproofers in to waterproof the room with no success. They even tried injecting a system but the pressure proved too overwhelming and the past system failed. The solution was to apply Kosters TG 500 and NB1 Grey system to the walls. This involved preparing the substrate and stopping the the weeping with a specialised powder that gets applied to the wall by rubbing it into the substrate. Once the wall dry we could apply a spray on system that arrests the sulphates from being expelled from the substrate due to the high water pressure of the water table. After the arrest of the sulphates two coats of specialised negative waterproofing slurry was applied. This slurry can with stand 13 bar pressure when cured. It is also breathable so it allows the trapped water in the already damaged wall to escape over time in the form of vapour. A world class solution for tricky situation . See pictures of damage and final product
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Residential Home Full Post Water Damage Restoration
System:
RubberGard™ EPDM 6m x 30m on all the flat roofs and balconies
Wall Waterproofing Plastic Paint
Pool Waterproofing
Size: 400m2 of roof and balconies
The Opportunity
The previous waterproofing had failed on all the balconies had failed including the walls had cracked from water ingress. Waterproof Lab was commissioned to re waterproof and restore the complete house . Waterproof Lab also re waterproofed the pool
Commercial Flat Roof
System:
RubberGard™ EPDM 6m x 30m on all the flat roof
Size: 500m2 of flat roof
The Opportunity
The previous torch on system had failed. Waterproof Lab was commissioned to apply a fully adhered system. The building secured a new buyer and was in desperate need to find a waterproofing system with a long warranty to aid in the sale. The building was sold with the warranty
Mill Park
System:
RubberGard™ EPDM 6m x 30m on all the flat roofs with insulation and resealing all the windows
Fully adhered
Re Waterproof the weather facing walls with liquid plastic waterproofing system
Size: 350m2 of flat roof
The Opportunity
The previous torch on system had failed. Waterproof Lab was commissioned to apply a fully adhered system.