Sansin Wood Wash

Biodegradable Cleaner for Exterior Wood Surfaces

Sansin Wood Wash is a ready-to-use, biodegradable cleaning solution that removes weathering, water stains, mold, mildew, and algae from exterior wood. It restores the wood’s natural color and prepares the surface for brightening and refinishing. Safe, eco-friendly, and easy to rinse, Wood Wash is ideal for log homes, siding, decks, and more, and comes packaged with Sansin Wood Lightener® for a complete restoration system.

What Makes Sansin Wood Wash Unique?

Unlike harsh chemical cleaners, Sansin Wood Wash is a biodegradable formula that delivers strong cleaning power while remaining environmentally responsible. It works quickly to dissolve surface contaminants and discoloration and is part of a two-step system with Sansin Wood Lightener® to neutralize and brighten wood. With no solvents, zero VOCs, and a non-flammable composition, it’s a safe and effective alternative for exterior wood maintenance.

Key Benefits

• Removes mold, mildew, algae, dirt, and water stains
• Restores wood to its natural color
• Safe, biodegradable, and zero VOCs
• Non-flammable and easy to use
• Comes with Sansin Wood Lightener® for neutralization and brightening
• No harsh solvents or dangerous fumes

Where to Use

• Log homes and cabins
• Wood siding (board-and-batten, bevel, etc.)
• Decks and porches
• Fences and gates
• Exterior timbers and beams
• Weathered wood surfaces in need of cleaning before staining

Application Notes

Surface Preparation Requirements

• Ensure wood is dry before application
• Apply when temperatures are above 10°C (50°F)
• Protect surrounding areas, plants, and non-wood surfaces
• Do not apply in direct sunlight or allow to dry on the surface

Application

• Apply liberally with brush, roller, or sprayer
• Mist with water periodically to keep product active
• Let dwell for 15+ minutes; agitate with stiff brush in direction of grain
• Rinse thoroughly with hose or low-pressure washer (max 500 psi)
• Allow wood to dry completely before proceeding

Step 2 – Sansin Wood Lightener®

• Dissolve included bag in 5.75–7.5 L (1.5–2 gallons) of water
• Spray evenly and let sit for 10 minutes
• Rinse thoroughly and allow surface to dry fully
• Sand smooth surfaces with 60–80 grit before finishing

Coverage

Surface Condition	Estimated Coverage per U.S. Gallon
Lightly weathered or stained	150–200 sq. ft.
Heavily stained or dirty	100–150 sq. ft.

Maintenance Required

Sansin Wood Wash is used as part of a prep system and does not require ongoing maintenance. Inspect wood surfaces annually and reapply as needed before re-coating or restoring exterior wood finishes.

Frequently Asked Questions

What does Sansin Wood Wash remove?

It removes surface dirt, algae, mildew, water stains, and extreme weathering.

Can I use it indoors?

No, Wood Wash is for exterior surfaces only.

Does it come with the Wood Lightener?

Yes, each gallon includes one bag of Sansin Wood Lightener® for the neutralizing step.

Is it safe for plants and landscaping?

Protect vegetation during use. Rinse plants with water before and after application.

Can I let it dry on the wood?

No. Keep it moist during the dwell time to avoid reapplication.

How long should I let it sit before rinsing?

Let it sit for at least 15 minutes while agitating lightly. Do not exceed drying time.

What equipment do I need to apply it?

You can use a brush, roller, or sprayer. A garden hose or low-pressure washer is used for rinsing.

Do I need to sand after using Wood Wash?

Yes, always sand smooth surfaces after using the Wood Lightener for best finish adhesion.

What temperature should it be when applying?

Apply when air and surface temperatures are above 10°C (50°F).

How should I dispose of unused product?

Do not reuse containers. Rinse thoroughly before disposal in accordance with local regulations.

Downloads

• • 📎Sansin Wood Wash Product Data Sheet (PDF)