Alpha Particles. Alpha particles are a type of radiation that do not travel very far, do not pass through anything very thick, and can generally be absorbed or stopped by an inch or less (1-2 centimeters) of air or a thin piece of tissue.
People stain or paint their decks in order to protect and preserve the wood. Outdoor decks take a lot of abuse from weather and the natural elements and require a high quality paint or stain to protect the wood. Decks require regular maintenance and are usually painted or stained every three to four years.Staining a deck emphasizes the natural grain of the wood.utdoor decks take a lot of abuse from weather and the natural elements and require a high quality paint or stain to protect the wood. Decks require regular maintenance and are usually painted or stained every three to four years. Staining a deck emphasizes the natural grain of the wood.
Knotwood is applied with only one application-Itâs that easy! The Brazilian Rosewood Oil penetrates composite wood, and provides a wonderful way to achieve a great looking deck. Knotwood resists most stains, a problem for all types of composite decking.Simply wipe up spills with a damp cloth. Itâs the perfect way to protect and beautify composite wood. Available in three Knotwood tones: Knot Cedar, Knot Mahogany, and Knot Redwood.For the beautiful, easy-to-care-for composite deck, Penofin Knotwood Oil Finish is the answer professionals and do-it-yourselfers love.Knotwood composite wood decking color enhancer, mildew, and stain resister.or the beautiful, easy-to-care-for composite deck, Penofin Knotwood Oil Finish is the answer professionals and do-it-yourselfers love. Knotwood composite wood decking color enhancer, mildew, and stain resister.