SIKA Butyl Mastic Roofing - Grey - 310ml, a single component butyl-based plastic mastic, ideal for caulking or joining roofing elements (fiber cement roofs, tiles, slates etc.) or for caulking greenhouses, glass roofs and verandas. This product is suitable for outdoor applications. Advantages: Simple application, even for vertical joint applications Does not form a thread during extrusion Good resistance to aging and UV rays Possibility to paint the product once dry, but preliminary tests are recommended Characteristics : Density : 1,4 approx. Application temperature : +10C to +35C Curing time : approx. 15 days at +23C and 50% RH for a 5 x 5 mm joint Skin formation time : 10 to 30 minutes approx. at +23C and 50% RH Color: gray Packaging: 3 x 310 ml Art. no. 8971x3 Packaging: A batch of 3 butyl sealants SIKA Mastic Couverture - Grey - 310ml Delivered in its original packaging