Excellent For Heavy Duty Marine Work. Ideal For General Purpose Sealing; Waterproofing And Weatherproofing Requirements In And Around The House When Doing Diy Projects. The Sealant Remains Flexible Over A Wide Range Of Temperatures From -40 degreesC To 100 degreesC. Not Suitable For Alkaline Surfaces Such As Concrete; Fibrous Cement; Asbestos; Plaster And Marble. Not Suitable Where Mould-Resistance Is Required E.G. Sealing Of Showers; Basins And Baths.Not Paintable.