The once well maintained Bencorrum Towers , had deteriorated to a state of total disrepair .
ADVERTORIAL
The Bencorrum Towers of Durban . Image : Sika
The once well maintained Bencorrum Towers , had deteriorated to a state of total disrepair .
For thick layer concrete repairs , MonoTop-615 HB was used . This is a high build , cementitious , polymermodified , one-component repair and reprofiling mortar containing silica fume and Ferrogard corrosion inhibitors . It displays excellent thixotropic behaviour . For thin layer rendering on horizontal and vertical surfaces , MonoTop-620 was the product of choice . A cementitious pore sealer and levelling mortar containing silica fume , it provides excellent adhesion to mortars and concrete . All Sika MonoTop products are sprayable by the wet spray method and provide several advantages including adjustable consistencies , excellent workability characteristics and good mechanical strengths .
As with all high-rise buildings undergoing external renovations in densely populated areas , public safety takes priority . Since Bencorrum Towers is situated on an extremely busy street , a mere stone ’ s throw from Durban ’ s famous beachfront , and due to its level of dilapidation , falling debris is of major concern . To exacerbate the challenges facing the contractor , the
body corporate of Bencorrum Towers imposed a restricted working schedule ; 9:00 to 15:00 Mondays to Fridays , with no work permitted on weekends and public holidays .
Every window in the block will be sealed with Sikaflex-11 FC , a one-part , moisture-curing elastic joint sealant and multi-purpose adhesive based on polyurethane . Its non-sag consistency greatly facilitates sealing of overhead and vertical joints . Solvent-free and odourless , Sikaflex-11 FC provides high quality adhesion , bubble-free curing , good mechanical resistance and importantly , high quality weathering and ageing resistance .
While before-and-after photographs of completed sections at Bencorrum Towers bear testimony to the quality and ease of application of these outstanding Sika products , the ensuing years will prove their durability and efficacy . When the project is completed , long suffering residents , who have endured years of maladministration and are now personally managing their building , will once again feel proud to reside at Bencorrum Towers .
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