Primer a common word used for the coating used as a base coat applied direct to a substrate, Wood primer, Metal primer a basecoat or wash coat, mist coat applied to newly plastered or rendered walls would be a primer coat. Essentially a primer is applied direct to a substrate to improve adhesion, some primers have filling properties, primers may have abilities to preventBlackfriar Multi-Surface Primer product image bleed from nicotine, or pen, or prevent the tannin from some timber species striking through the paint system and creating unsightly issues. Primers are designed for many uses but essentially the adhere to tricky surface, they block issues and can be sanded to create a finer finish for the top coat to be applied which will dry leaving a better finish.

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