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Wood Cleaner
Wood Cleaner


Interlock’s Wood Cleaner and Mildew Remover is a powerful product for cleaning and restoring the natural look to exterior wood and other surfaces. It will clean stains caused by dirt, mildew, algae and mold - often without scrubbing. Unlike other cleaners, Wood Cleaner & Mildew Remover penetrates into the wood to lift the dirt to be rinsed away.

Where to Use

Use on Log Homes/Cabins, fences, decks, wood siding, shakes, shingles, and all wood types – pressure treated lumber, cedar, redwood and exotic hardwoods. Removes decolonization on wood from tannin bleeding on cedar and redwood. Also cleans vinyl siding, concrete, brick, stucco and tile.


One gallon (3.78 Liters) will normally cover 200 to 300 sq. ft. (18.6 to 27.9 sq. meters). Do not thin.

Application Preparation

Wear old clothing, goggles and rubber gloves. Sweep away debris, dirt and dust. Scrubbing may be required on severely stained surfaces. Spray all vegetation with water before and after application. Cover delicate vegetation to avoid damage. Test a small inconspicuous area before use to insure desired results. Pre-wet surface with fresh water prior to application. Apply when temperatures are between 40F and 90F. If surface is hot to the touch or in direct sunlight, cool surface with fresh water.

Mixing Instructions

Shake well before using. Mix one part of cleaner with 4 parts of water in a plastic container. (Don’t mix in metal container) One gallon of Interlock wood cleaner mixed with four gallons of water will cover approximately 800 sq. ft. Do not mix with other products household cleansers or bleach.


Pre-Wet surface with fresh water. Apply with a low-pressure garden-type sprayer, brush, mop or roller. Briefly scrub with a stiff brush or broom. Allow the cleaning solution to stay on the surface for 20 – 30 minutes. If solution dries prematurely, keep wet with more cleaner as needed. Rinse off the remaining solution thoroughly with clean water.

Application Note: It is recommended that you test a small area to assure satisfaction of appearance.


Rinse spray equipment thoroughly with water.


Store in cool dry location. Avoid exposure to sunlight. PROTECT FROM FREEZING.

DANGER! Contains Sodium Hydro chlorite. Harmful if swallowed. Keep out of reach of children. Avoid contact with eyes, skin and clothing. Avoid breathing of vapors and mist. Wear eye protection, rubber gloves and protective clothing. Do not mix with acids or other products that contain ammonia or toxic gases may be formed. Do no reuse container. Use with adequate ventilation. FIRST AID: This product will irritate skin and eyes. If splashed in eyes or on skin, flood thoroughly with large quantities of water. Call physician is discomfort persists. If swallowed, give large amounts of water or mild and call physician.


Interlock Professional Products guarantees your satisfaction with the application and performance properties of this product if it is correctly applied to a properly prepared surface in accordance with label directions. If you are not completely satisfied with this product’s performance, Interlock will provide replacement product or refund the purchase price. LABOR AND ALL OTHER DIRECT, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARE SPECIFICALLY EXCLUDED. INTERLOCK MAKES NO OTHER EXPRESS WARRANTIES.