Sikaflex-11 FC+ Sealant and Adhesive

Sikaflex-11 FC+, a polyurethane that both seals and bonds. Unlike silicone it can be painted over, which is why it is used on joints that must disappear into a decorated wall. Also sticks well enough to fix trim and thresholds without mechanical fixings.

• Check before ordering: Sika make this in four colours; white is the one on the shelf. Grey, brown and black are an order-in.