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.
Sherwin-Williams exterior stain can be used for siding and trim, decks and porches, and all other outdoor living spaces. Learn how to apply exterior wood stain with tips from our stain experts. From cedar siding to redwood deck, wood offers a rich, warm welcome to any home. A good house stain not only beautifies your home's exterior, it preserves and protects exterior wood from nature's harshest elements. But stain is not just for siding and trim.