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.
-Marian. While you can paint a pressure treated wood deck, I donât recommend it. A wood deck takes a lot of abuse from sun, rain, and snow; and the constant shrinkage and expansion of the wood causes paint to peel over time. For a wood deck or fence, I prefer the look and longevity of a semi-transparent stain.Advantages of a semi-transparent stain over clear sealers, solid stains, and paint include: 1  Last longer than clear sealers.or a wood deck or fence, I prefer the look and longevity of a semi-transparent stain. Advantages of a semi-transparent stain over clear sealers, solid stains, and paint include: 1  Last longer than clear sealers.