This post was updated on January 18, 2023
TWP Semi-Solid Stain Review Updated 2023
Brand new is the TWP Semi-Solid Pro-Series Stain! As always, we appreciate your input, so feel free to leave a comment below and pictures of your completed projects if you have them.
Important Note: This review is based on our testing of the TWP Semi-Solid in the Summer of 2020 and is also partially based on the TWP 100 Series as that is the “base” for the TWP Semi-Solid Colors. We will update this review and the performance of the TWP Semi-Solid throughout the next 1-3 years.
Available in 30 Custom Colors, the TWP® Semi-Solid Pro-Series will keep your wood beautiful, fresh, and looking new longer! The ease of application and maintenance will allow you to enjoy your investment for years to come.
TWP® Semi-Solid Pro-Series provides a broad spectrum of weather protection, is water repellent, and aids in color retention. TWP® Semi-Solid Pro-Series resists water absorption that causes warping, cracking, splitting, and prevents freeze damage in colder climates. Use TWP® Semi-Solid Pro-Series to Restore and Protect YOUR GREAT OUTDOORS!
TWP Deck Stains – Semi-Solid Pro-Series Review
TWP Semi-Solid Pro-Series Wood Deck Stain Scores (1-10)
Appearance After Initial Stain Application: 9
– We prepped the deck first with the Restore-A-Deck Stripper and Brightener kit and applied the TWP Semi-Solid in the Cedar Mulch color after a few days of drying. The overall appearance was excellent with very even coverage. Semi-solid in appearance with a small amount of wood grain showing. The TWP Cedar Mulch color penetrated deep into the wood grain on our pressure treated deck. This will result in little to no wearing and peeling down the road. We would expect this stain to last 2-4 years before a reapplication is needed.
Preventing UV Graying at 2 Year Mark: 9.0
– The base of this stain is the TWP 100 Pro-Series and which has consistently scored an 8 out of 10 at the 2-year mark. We expected better UV protection due to the higher solid content of the semi-solid and at the 2 years mark, it looks almost the same as when applied.
Wear/Tear and Peeling: 9.0
– TWP penetrates very well into the wood grain and this is normal. The TWP 100 Pro- Series (base of the TWP Semi-Solid) scores a 9 out of 10. The TWP Semi-Solid scored the same at the 2-year mark.
Cost Per Square Foot: 8
– The price paid was $250 for the 5-gallon pail of TWP Semi-Solid Pro-Series with Free Shipping. The coverage rate is excellent for the TWP Semi-Solid and we used less than 4 gallons for our 800 sq. foot deck. The total amount for the stain on our deck came to $200 or .25 cents per square foot.
Preventing Mold/Mildew/Algae: 8
– The TWP Semi-Solid Pro-Series scores a 8 out of 10 when preventing mold or mildew. Just a little minor mildew around the bushes.
Ease of Application: 9
– Before starting your deck staining make sure to blow off any debris from the deck such as leaves and dirt. Prior to applying any stain, you need to thoroughly mix it evenly. We had no issues mixing the TWP Semi-Solid to a smooth consistency. We applied only 1 coat to our deck using a deck stain pad applicator to ensure an even appearance. Overall, we applied the TWP Semi-Solid stain in 1-2 hours to the 800 sq. foot deck and a team of two employees.
Color Shifting (darkening) after 2 Years: 8
– The TWP Semi-Solid Pro-Series scored an 8 out of 10 when it comes to preventing darkening.
Difficulty of Reapplication: 8
– Reapplication in 2-4 years will be as easy as using their Gemini Restore A Deck Kit. One of the kits will be enough to clean and brighten the deck for reapplication and then apply 1 maintenance coat of the TWP Semi-Solid Stain
Overall Score TWP Semi-Solid Pro-Series Stain: 8.5
– The TWP Brand of Stains is one of our most commonly used wood stains as we have personally applied it to over 10,000 decks over the past 25+ years as wood restoration contractors. What we like best about the TWP Semi-Solid Stain is that it is easy to apply, will be easy to prep and reapply when the time comes, and holds color very well from the UV. We are very excited and look forward to using the TWP Semi-Solid colors. Maximum UV protection and a much larger color palette is the top reason we will be offering the TWP Semi-Solid to all of our customers in 2021 and beyond.
Note: We do not use TWP on brand-new wood. If applied to wood that is less than 4 months old, it seems to have a difficult time with penetration. We find this with many of the stains we have used on new wood. The manufacturer suggests waiting 4-12 months to let the wood weather. We strongly suggest that you wait and only apply one coat for wood that is 4-12 months old.
TWPStain.com Website: TWP Semi-Solid Pro-Series
TWP Stain Facebook Page: TWP Deck and Wood Stains
Cost: $50 per Gallon, $250 per 5 Gallon Pail is the average
Stain Type: Oil-based Semi-Solid
Available Colors: Available in 30 Custom Colors
Application Temperature: 45-95 F
Coats Required: 1-2 Coats. Applied “Wet on Wet” Only 1 Coat for new smooth wood.
Coverage Per Gallon: 150-250 sq. ft
Application Tools: Airless Sprayer, Pad, Brush, Roller
Dry Time: 4-12 Hours
Cleanup: Mineral Spirits or Paint Thinner
VOC Compliant: 550 Compliant in 36 States
More Info: Product Data
Test Deck Stats:
When Tested: August 2020
Deck Wood Type: Pressure Treated Pine
Deck Square Footage: 800
UV Exposure: Deck in full sun
How Many Years Tested: Initial test – Brand New Product
Stain Color Used: TWP Semi-Solid Cedar Mulch
TWP Semi-Solid Pro-Series Stain Photos
TWP Semi-Solid Wood & Deck Stain Video – DeckStainHelp.com
*All products tested and results are from our experience. We offer no guarantee of similar results. Take into consideration that results may differ due to different wood types, exposure to UV radiation, and natural weathering.
Deck Stain Help & Questions
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As an article and comment contributor to the site, Scott has been around the pressure washing industry since attending college. In 1993 he started his first company called Oakland Pressure Wash specializing in exterior pressure washing and deck staining. That company evolved into OPW L.L.C. shortly thereafter concentrating more on exterior wood and deck restoration. Scott and his Deck Cleaning Michigan company have restored over 10,000 decks in the Metro Detroit area since the early years. He has become an authority in the deck restoration industry and has contributed to numerous wood restoration forums and informative sites.
All the products he suggests through this site are sold through online sites and in retail stores, allowing the consumer to choose their own means of purchase. Scott’s eCommerce sites do sell many top brands he endorses and if you appreciate any of the help he has offered then feel free to purchase from one of them.