Mildewcide Paint Additive

Prevents surface mildew growth between maintenance coats.

M-1® Advanced Mildewcide Paint Additive

M-1 treats 5 gal.

M-1® Advanced Mildew Treatment:

  • Prevents mildew growth on the surface of the wood stain
  • Can be used interior and exterior
  • Is easy to use – just mix into any Sashco stain or clear coat
  • Lasts 3-5 years
  • Will not discolor the stain
  • Is freeze/thaw stable
M-1 treats 5 gal.

Mix M-1® into any Sashco stain or clear coat, both interior and exterior. Works in both oil-based and water-based stains.

Available sizes:

1.5 oz. | Treats 1 gal.

7.2 oz. | Treats 5 gal.

M-1 treats 5 gal.

Learn how to use Stay Clean Mildewcide Paint Additive on your log home:

Download Informational PDFs:

M-1® Features Brochure

M-1® Info Sheet and Application Instructions

Keeping the Dream Alive, Sashco’s guide to log home finishing and maintenance

Product Overview

Keep ugly growths off your log home with M-1® Advanced Mildew Treatment. M-1® has broken the mold with cutting edge technology when battling mold, mildew, and algae on stained wood surfaces. It takes up where other additives leave off without harming the environment. It’s compatible with virtually every available stain formula tested. Apply at initial application and on every maintenance coat to renew protection.

Inspiration Gallery

See Sashco’s staining, chinking and caulking products on real log homes and get inspired.