Treat Your Logs First to Make Them Last

Spray-on water-based borate log home preservative



PeneTreat benefits include:

  • 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 to wood
  • Costs 5 times less than glycol-based borates

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.

Learn how to use PeneTreat on your log home:

Download Informational PDFs:
Inspiration Gallery

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

Product Overview

PeneTreat® is the inexpensive insurance every log home owner needs.

Rot and beetles and termites – oh my! PeneTreat® is the inexpensive insurance every log and wood home owner 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 staining, chinking and caulking products on real log homes and get inspired.