Penofin Knotwood Composite Decking Formula

Penofin Knotwood Composite Decking Formula

Penofin Knotwood Composite Decking Formula

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Starting at: $49.60

The final product price may change based on the combination of size/type/finish/style you choose.

Availability: Choose options above to see availability


This item ships free on orders of 4 gallons or more! details


Return this item for a full refund with no restocking fee. details

Ground Shipping Only

Expedited shipping is not available for this item. It cannot be shipped to Alaska or Hawaii. For local pick-up in the Minneapolis area, please call 952-746-7561.


Penofin offers wood finishes made with the finest ingredients for a superior look. Learn More



Breathe new life into faded, moldy, or discolored composite material with Penofin's Knotwood Oil Finish. The same amazing Brazilian Rosewood Oil that penetrates deep into all types of wood will do wonders for composite wood. Three transparent tones can bring the vitality back to decks with yellow, brown, or red tones, or add a splash of new color to gray composite material. It has even been approved for use with Trex brand products (excluding Trex Transcends and Trex Escapes). Stop wishing your faded composite deck looked as good as it did on day one, and rejuvenate it today with Penofin Knotwood Oil Finish.

Penofin Knotwood Composite Decking Formula At-A-Glance:
• Choose from three transparent tones
• 99% ultraviolet protection
• Resists stains and soiling
• Prevents mold and mildew

Note: Because of VOC Laws, this product Cannot be shipped to the following California Counties: LA, Riverside, San Bernardino, and Orange County. For a zero VOC product, please view Penofin Verde.

On average, you can expect Penofin to perform for 9-24 months on horizontal surfaces and 2-5 years on vertical surfaces. Please note that the time may vary depending on the amount of sunlight and weather exposure.

Product Specifications

ColorsCedar, Mahogany and Redwood
Gallon Coverage200-300 Square Feet

Additional Information

Additional Information

DDID 5800
Manufacturer Penofin

Penofin Application Instructions (581 KB) 

Penofin Knotwood Composite Decking Formula Material Safety Data Sheet (94.4 KB) 

Penofin Product Catalog (3.8 MB) 


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Penofin is one of the leading wood oil finish producers in the country. Their unique formula replaces the natural wood oils lost in the milling process. This ensures protection from the elements and resistance to mold while enhancing the natural beauty of your wood.


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Penofin oils penetrate deep into the wood’s surface, coating the individual fibers. Their stains contain sustainably-sourced Brazilian Rosewood oil, which allows wood to retain flexibility without creating surface film. Penofin oils offer long-lasting shine and beauty, with the typical lifespan being 9-24 months on horizontal surfaces and 2-5 years on vertical surfaces.


Penofin wood finishes are made with the finest ingredients for a superior look, available here at


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