Everflex External Frame Sealant is an acrylic sealant, suitable for internal and external use around window and door frames. The product provides a permanently flexible long lasting seal that adheres to virtually all materials. It contains a powerful anti-fungicide to prevent mould growth and can be overpainted. BENEFITS - Permanently flexible - Adheres to most surfaces - Mould resistant - Over paintable - Easy clean up AREAS FOR USE - Internal and External sealing around timber and metal window and door frames - Internal sealing around PVCu window and door frames - Sealing cracks and gaps in brickwork, stone and concrete 1 x External Frame Sealant.