Feature
Waterproofing
NAMIBIA
When a Russian billionaire with a passion for nature and wildlife
recently purchased almost 30 000ha of land in Namibia, it resulted in the
construction of the luxury Marula Game Ranch. It was here, 80km southeast
of Windhoek in the Khomas region, that RBL Architects specified several
of Sika’s high performance waterproofing products for the lodge’s one
million-litre swimming pool.
N
MC Construction Namibia was awarded the contract to apply Sika
Waterbars, SikaSwell S-2, SikaPrimer-3N and Sikasil-Pool. The
waterproofing process commenced with the application of SikaSwell
S-2 to the 60m of construction joints on the floor of the pool. Highly
economical and easy to apply, SikaSwell S-2 is a one-part polyurethane
waterstop that swells in contact with water. It provides permanent water
resistance and its optimised expansion rate prevents damage to fresh
concrete during curing.
Sika Waterbar Type O-20 was used as a centrally placed waterbar in all
the expansion joints. Manufactured from virgin thermoplastic PVC for easy, on-site welding,
internationally tested Sika-Waterbars are used to seal construction and expansion joints in
all water retaining structures. They are designed to withstand high water pressure and are
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