Overview

Zinsser Cover Stain is a solvent-based, all-purpose primer, sealer, and stain killer, ideal for use on interior and exterior surfaces. One of Zinsser's best exterior primers for wood as it's highly flexible and resists cracking and peeling. It’s also one of the only solvent-based primers that can be used with all decorative topcoats even water-based products. Cover stain is also effective at permanently covering stains of all kinds including nicotine and water stains to give you a blemish-free topcoat.

Interior and exterior
Quick-drying
Can be applied to all surfaces without sanding
Seals water, smoke, and nicotine stains

Area	Interior & Exterior
Recommended Use	Recommended for application to fire, smoke and water damaged surfaces, including: interior ceilings, walls, doors, trim, cabinets, furniture and related paintable surfaces. Exterior siding, fascia, soffits, trim, doors, walls, foundations, railings.
Base	Solvent-Based
Coverage	Up to 9.8m² per litre
Drying Time	35 Minutes
Re-Coat Time	2 Hours
Recommended Coats	1-2 Coats
Application Method	Brush, Roller or Sprayer

Preparation

Always ensure the surface to be treated is clean, dry and free from any dust, algae, fungi or moss. Also ensure the product is free from excessive chalky material, grime, grease, oil, wax, mould or any contamination that may interfere with adhesion.

Always wash the surface with a household cleaner, appropriate cleaning solution, or solvent
Always ensure to remove loose or flaking material
Sand any remaining paint to a smooth surface
Sand exterior wood with a 80-100 grit sandpaper
When sealing a stain always attempt to remove as much of the stain as possible prior to application by washing, sanding, scraping etc
To remove mould, treat area with

Application

Before applying stir the product thoroughly and test a small area.

Zinsser Cover Stain does not require thinning
Stir well before application
Only apply when temperature range is between 5°– 32°C, allow to come to room temperature before use
Use in a well ventilated area avoiding high humidity
Apply one coat with a brush, roller or sprayer
For best results prime the entire surface
If excessive absorption occurs over very porous substrates a second coat may be necessary

Aerosol Application

Shake can vigorously until ball inside can rattles
Turn can upside down and continue shaking for one minute, shake occasionally during use
Spray 10”-12” from object with short dusting strokes
Over-coatable after 30 minutes
To clean spray for future use, turn can upside down and spray until clear gas is emitted

Note: Always follow the manufacturer instructions found on the tin.