SikaShield® Primer W-30 IN is single component, quick drying, water based modified bituminous primer which penetrates and activates the substrates. It improves adhesion between the substrate and preformed bituminous sheet membranes in SikaShield® range.
- Excellent bond with concrete, screed mortar, porous stones and lime-concrete substrates
- Bonds well with old bituminous substrates
- Easy application by brush, spray or roller