Johnstone's Adv Stain Block Primer 5L Mapesil AC This Purdy brush stands out

This Purdy brush stands out by applying 30% more paint to walls and ceilings compared to other brushes in the Purdy line

does not produce surface efflorescence

This listing is for a Pack of 1

USESFor both professional and DIY use

Johnstone's Adv Stain Block Primer 5L Mapesil AC This Purdy brush stands outJohnstone's Trade Advanced Stain Block Primer is a shellac based, heavy duty stain blocker that is ideal for sealing tar, bitumen and creosoted surfaces to prevent bleeding through in subsequently applied solvent based paints. Our Advanced Stain Block Primer seals stains in timber, wood composites, plaster, cement and brickwork, as well as locking in unwanted odours.