In January 2010, CMC completed the waterproofing, concrete repair & joint treatment works of the Grand Serail. Applied products included bituminous membranes from Dermabit (KSA), polyurethane coatings & sealants from Alchimica (Greece), water-repellents from Bostik (UK), cementitious waterproof mortars and concrete repair mortars from Mapei (Italy).