Johnstone's Trade Professional Undercoat White 2.5L tool The pure shellac base permanently

The pure shellac base permanently blocks stains and odours

and it can be cut

A retro-fit replacement for the P77 Traditional Nightlatch

sand smooth when dry

Outstanding flow and levelling properties for easy brushing and excellent capacity

Johnstone's Trade Professional Undercoat White 2.5L tool The pure shellac base permanentlyJohnstone's Trade Professional Undercoat is a high VOC content finish. Oil based product that can be applied by brush or roller. Alkyd based undercoat which is suitable for interior and exterior use on wood and metal surfaces. Superb application, coverage and opacity Excellent adhesion and high film build Prefect base for gloss finishing