Sika 903 Bit Trowel Mastic 1 litre

A trowel applied, black, heavily filled bituminous compound with added fibres for reinforcement. The product forms a surface skin, but the mass below remains soft to allow for moderate movement. Suitable for sealing and filling holes in mastic asphalt, roofing felt, corrugated iron, metal guttering and downpipes

• Fibre reinforced

• Exterior use

• Solvent based

• High water & rain resistance