Sikasil®-825 is a low modulus, neutral cure, alkoxy, low odour silicone sealant which adheres to a wide range of both porous and non-porous surfaces without the need for priming.Conforms to ISO 11600 class F25LM and G25LM. Used for expansion joints to stone, brick, concrete and composite panels, perimeter pointing around all types of window and door frames. Substrates: glass, aluminium and PVC – all primerless.Select Option Anthracite 380mlBeige 380mlBlack 380mlBrick Red 380mlBrown 380mlBuff 380mlDark Anthracite 380mlMid Grey 380mlPortland Stone 380mlWhite 380ml Add to Basket Quantity