Blue Sill℠ Borate Treated Lumber from Tomball Forest LTD is treated with Disodium Octaborate Tetrahydrate (DOT). Borates are natural minerals that have been proven effective in protecting wood. When used as recommended, Blue Sill℠ treated products are safe around people and pets – but deadly to termites, many other wood-destroying insects and fungal decay. The borates interfere with a termite’s metabolic processes, effectively killing the termite.

Products pressure treated with borates are easily recognized by their blue tint which is an industry standard. The addition of a blue dye during the treating process makes it easy for building inspectors to identify the products as borate treated. Blue Sill℠ treated material is given an extra dose of this blue tint to increase its yard life and appearance to the end user.

Blue Sill℠ Lumber Uses:

  • Sill Plates
  • Furring Strips
  • Joists
  • Studs
  • Roof Trusses
  • Rafters
  • Beams
  • Fascia
  • Trim





Blue Sill℠ Plywood Uses:

  • Wall Sheathing
  • Roof Sheathing
  • Subfloors



Blue Sill℠ Borate pressure treated lumber is perfect for residential and commercial applications.
Vintage Pine
Vintage Pine
Pine Pattern Profiles
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Edge Timbers™ are architectural quality beams intended for exposed construction. They are available in pine and western red cedar. Using a unique milling process, timbers are given four clean sides, eliminating mill chain stains, banding marks, oxidation, rail rub and water stains. »»»