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.
Because of the chipping, bubbling, and splitting normally associated with painted decks and handrails, weâre reluctant to suggest painting. However, if you do decide to paint, do the following: Make sure that the surface is thoroughly clean and that the wood is dry.Go to extremes to get the wood clean: pressure-washing, sanding, and detergent scrubbing. Remove all loose nails and replace them with the next larger size.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.