... Sealant contains a fungicide for mildew resistance, and does not blacken.FEATURESSuitable to most substrates;Middle/high modulus;Mildew ... ;Excellent Flexible;Ideal for bathroom, shower room, kitchen, windows & doors bonding and sealingEasy to use Environmental friendly, ... for repairs cracks in walls, skirting boards, doors & windows and seals between plaster board panels, ceiling boards, cornices, ...