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MGC Quick Drying Stain Block is a water based matt white blocking primer that has excellent adhesion to plaster, wood and previously painted surfaces. It will seal all stains preventing them from bleeding through and spoiling new decorations including chimney damp. When dry, it can be decorated over with any type of paint, undercoat or wallpaper.
Seals all types of stains including:
MGC Quick Drying Stain Block can also be used as a primer on porous surfaces, new plaster, new wood and MDF, skirtings, window sills etc.
Preparation
Surfaces must be clean, dry and free from any grease or wax. Remove any loose, flaking and unsound paint before applying stain blocker.
Application
STIR WELL BEFORE USE. Apply liberally and evenly with a synthetic brush or roller. One coat is recommended but a second coat can be applied if staining is severe. MGC Quick Drying Stain Block is touch dry in 30 minutes in well ventilated good drying conditions depending on temperature and humidity.
Re-coat after 2 hours is necessary. Coverage is approximately 12 square metres per litre, per coat, depending on absorbency of the surface.