This post was updated on April 4, 2025 TWP 200 Series Wood Stain Review for 2026 TWP 200 Series is a semi-transparent oil-based penetrating finish designed to extend the life of exterior wood such as decking, cedar shake siding, and shingles. Containing a paraffin oil, the TWP 200 series penetrates wood extremely well. Paraffin oil is a “non-drying” oil that enhances the wood cell’s structural stability. This greatly improves the wood’s life and appearance. The penetrative portion of the product absorbs into aged and porous wood, adding bulk to aged and brittle wood fiber.  This restores lubricity and flexibility to brittle shingles.  The TWP 200 Series complies with all current Canada, US federal and state VOC (volatile organic compounds) regulations. The TWP … Continue reading TWP 200 Series Wood Stain Review 4.7/5 (5)