Porter’s Prepare & Prime is a versatile water‑based primer and stain‑blocking undercoat designed to prepare a wide variety of interior and exterior surfaces for painting. It delivers excellent adhesion and coverage while helping block oil‑based and other stubborn stains that can discolour top coats. Suitable for walls, timber, metal, masonry and previously painted substrates, this primer creates a clean, sealed base that improves topcoat performance and colour consistency. Low odour and low VOC make it a more pleasant choice for both DIY and professional painting projects.

Key Features & Benefits

• • Multi‑surface primer & stain blocker for interior and exterior use — ideal for preparing a range of substrates before painting.

  • Excellent adhesion helps topcoats bond securely and evenly.

  • Stain blocking reduces the risk of oil and tannin bleed‑through that can discolour finish coats.

  • Good coverage (approx. 12–14 m² per litre) delivers efficient primer performance.

  • Low odour and low VOC formulation for a more comfortable painting environment.

  • Suitable for use on plasterboard, timber, MDF, brick, render, masonry, concrete, cement sheet, galvanised iron, PVC and previously painted surfaces.

  • Apply easily by brush, roller or spray — and compatible with most water‑based top coats.