SIKA AT WORK ANN SUMMERS, RICHMOND ROOFING: Sika Liquid Plastics Decothane Gamma 20© Sika Limited, UK / Case Studies / Roofing / DR / 07.2015 PROJECT REQUIREMENTS This retail outlet in the centre of Richmond has been used as a shop for over 80 years. On first inspection of the building the roof was found to be in a very poor state with debris and dead animals. The felt waterproofing on the roof was leaking, and was clearly well beyond its useful life.. SIKA LIQUID PLASTICS SOLUTION A Decothane Gamma 20 system from Sika Liquid Plastics was specified. This is a cold, liquid applied system that cures to form a completely seamless waterproof membrane. The full system consists of a Decothane Base Coat, reinforced with Reemat Premium glass fibre matting, and completed with a Decothane Top Coat

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