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.
Prime all bare areas and puttied spots with a high-quality, oil-based primer. Finish decks with a high-grade, oil-based finish. Handrails can be finished with a good-quality acrylic paint. Never paint a wood surface that has previously been oiled. The paint wonât stick, and youâll have a mess on your hands forever.rime all bare areas and puttied spots with a high-quality, oil-based primer. Finish decks with a high-grade, oil-based finish. Handrails can be finished with a good-quality acrylic paint. Never paint a wood surface that has previously been oiled. The paint wonât stick, and youâll have a mess on your hands forever.