ROCKCOTE Ecostyle Sealer /Undercoat is a white undercoat with high blocking power that can be used to reduce and even the absorption of bare surfaces as well as covering strong colours. The following topcoats will be far superior in appearance and texture. Certified low VOC and free of dangerous chemicals by GECA.
Suitable: for priming bare Gyprock, timber, fibre cement sheet, hardboard and masonry surfaces. Not suitable of timbers with a high tannin or sap content. Use Smart Prime on these to prevent tannin bleed.