Evo-Stik - Frame Mastic Sealant Natural C20 - EVOTREFSNA
This oil based mastic sealant has been formulated for use in providing a seal around exterior window and door frames made of metal or wood.
Designed to prevent the damaging penetration of water, and will seal draughts.
Life expectancy = up to 10 years.
Storage = store in a cool, dry place.
Curing time = will skin after 24 hours.