General Finishes White Undercoat is similar to General Finishes Sanding Sealer with the addition of white colourant to provide a primer undercoat for white/off-white wood finishes. The high solids facilitate a fast film build and sand easily. Use as a basecoat for pigmented acrylic finishes. It dries tack-free in 10-20 minutes. Particularly effective on MDF. 

Spray application only.