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It’s easy to keep your paint job looking great by applying a base coat of stain blocking primer first, stopping tannins from wood coming through and staining your paint coating.

Thorndown Stain Blocking Primer is a high performing wood primer primarily developed for tannin and stain blocking on timber surfaces.

It works on all untreated softwood and hardwood timber surfaces, including pine, cedar, redwood, plywood, MDF and hardboard, plus Accoya, pressure-treated timber and all painted surfaces of timber, masonry and plaster.

Download the USP sheet or full product information and application guide here, or visit Advice - Stain Blocking Primer for full details.

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