LumberKote™ Advanced
Polymer Sealer

Non-Toxic and V.O.C. Free, LumberKote™ will protect your crawl space and basement from moisture-related damage.

  • LumberKote™ Advanced Polymer Sealer

Product Overview

LumberKote™ by Watson Seal™ is a safe and strong advanced polymer sealer perfect for residential and commercial properties. our advanced polymer sealer creates a tough, durable micro-film to protect and stabilize wood. Furthermore, LumberKote™ resists and inhibits mold, fungus, and moisture, which keeps your walls and floors dry and stable. LumberKoteT™is easy to apply on floor joists, subflooring, rim band, sill plate, and girder beams. Additionally, our sealer works on all lumber types including OSB, pressure-treated and Engineered I Joists. LumberKote™ is backed by a fully transferable 30-year manufacturers warranty.


  • Available in 5-gal containers
  • Non-Toxic and V.O.C. Free


  • Coverage: 500 sq. ft/per gallon – 2,500 sq. ft per 5-gallon container, as applied with an airless sprayer and 6” or 8” fan tip. Graco# 313 orifice recommended.
  • Available in 5-gal containers

Product ID

  • WSLK

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Customer Reviews

Average rating for Nash Distribution is 4.98 stars of 5 stars - based on 30 reviews
Ordering from Nash has been a easy process and their products work like they're advertised! They helped answer any questions or concerns that we had. We're able to provide our service to homeowners in Missouri and Illinois with Nash's great repair products. ...
Ryan M. - Belleville, IL 62220

My wife and I own a basement waterproofing company up in Des Moines and we have been using your Anabec mold treatment systems for years. We couldn't be happier with the results!

Howard And Rebecca K. - Des Moines, IA 50305