SikaPrimer-290 DC

SikaPrimer-290 DC is a non-pigmented, solvent-based polyurethane-solution primer for bonding and sealing timber decking strips. It reacts with moisture and forms a thin layer that links the substrate to the adhesive or sealant. It is formulated for treating timber decking strips before caulking with Sikaflex-290 DC or bonding with Sikaflex-298, and improves adhesion on teak, mahogany, Oregon pine and polyester-based GRP. Apply one thin, covering coat by brush at approx. 50 ml/m² depending on porosity. Flash-off time is 60 minutes at 15 °C and above, 120 minutes below 15 °C, maximum 24 hours. Application temperature 5–40 °C, solid content 34 %, shelf life 12 months. We supply the 1000 ml can, packed 4 per box. Supplied by Trivaro.