Treat Your Logs First to Make Them Last

Spray-on water-based borate log home preservative

PeneTreat®


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  • Borate-based log home preservative protects against wood-ingesting insects and rot
    Powder concentrate – easy to mix, environmentally friendly, safe for people, plants and pets
    No glycols, same protection – penetrates as deeply as glycol-based borates, but dries faster, which means less wait time before stains can be applied
    Costs 5 times less than glycol-based borates
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PeneTreat® is the inexpensive rot and insect infestation insurance for use on:

  • Exterior log and wood surfaces
    Interior log and wood surfaces (optional)

Do not use:

  • On wood coated with any stain, paint or finish. PeneTreat will work only when applied to bare wood.
Inspiration Gallery

See Sashco’s log home products on real homes and get inspired.

Product Overview

PeneTreat® is the inexpensive insurance every log and wood homeowner needs.

Rot and beetles and termites – oh my! PeneTreat® is the inexpensive insurance every log and wood homeowner needs. When sprayed or brushed on bare wood, this borate-based log home preservative forms a protective shell to defend against rot and wood-ingesting insects. It’s easy to use and EPA-registered. PeneTreat will not affect the color of wood and is chemically compatible with all of Sashco’s stain, caulking and chinking products. It costs five times less than its glycol-based counterparts, yet does not sacrifice protection.

Inspiration Gallery

See Sashco’s log home products on real homes and get inspired.