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Log & Siding Formula

Timber Pro UV Log & Siding Formula

Architects: Click here for PDF of architectural specificationsYou have just found the best log home and wood siding stain and sealer on the market. Timber Pro’s Log & Siding Formula will deliver superior wood protection for all types of exterior wood siding such as cedar, fir, pine, redwood, cypress, teak, mahogany and more. At Timber Pro, we are pioneers in the development of environmentally safe, oil based yet nonflammable wood finishes, and have been creating safe and highly durable wood care products for over 20 years.We are always at the forefront of research and development.

There are two versions of Timber Pro’s Log & Siding Formula. The original formula was designed for rough sawn wood siding, cedar shakes and shingles, hand hewn logs, and aged wood siding. The second version is called Log & Siding Smooth Formula. This formula is for new, smooth milled wood siding, or for interior wood surfaces such as trim, beams, log walls, etc.

Log & Siding Formula’s Unique Advantages:


  • Best color selection on the market from clear transparents to semi solid tones
  • Durable, even in mountain or oceanfront climates
  • Low V.O.C, at less than 34 grams per liter
  • SCAQMD approved for So Cal projects
  • 2-3 LEED credits available
  • Plant oil based with water clean-up, non-flammable
  • Bonding oils & hard dry resins, superior to solvent borne stains
  • No soft oils or waxes that attract dirt, dust, or spores
  • Wood stays cleaner, dust doesn’t stick
  • Can be sprayed and back brushed
  • Does not need to be stripped before re-application
  • Reduces tannin bleed, cupping, warping, and checking
  • Can be applied to wood with as high as 22% moisture
  • Breathable so moisture is kept out but not trapped in


Timber Pro is used and recommended by many of the top log home companies, timber frame home builders, and cedar home companies in the US and Canada. Several nationally known commercial buildings, some bearing LEED Platinum ratings are coated with Timber Pro ͞Log & Siding Formula͟, specified by some of the top architectural firms in the US.


The Best Color Choices ever!

We are famous for our 26 clear or transparent wood stains. Or choose from 36 semi transparent stain and semi solid colors as well. Click here to view all of our color choices.

Additional Product Information:
Photo Gallery
Log & Siding Application Guide
Wood Stain SDS, for Microtint & Transparent Colors
Wood Stain SDS, for Semi-Transparent & Semi-Solid Colors
Log & Siding Brochure – Front
Log & Siding Brochure – Back
Design Tips from an Expert


How to Buy