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.
Concrete Paint vs. Concrete Stain: Concrete paint coats and adheres to the concrete surface. Concrete stain, like its counterpart for wood, soaks into the pores of the concrete and changes the color permanently. When considering painting your porch concrete floor, we recommend a premium, 100% acrylic masonry paint. Before you paint; however, there are two extremely important must do's: Allow newly poured concrete to cure at least 28 days before you paint. Fresh concrete should never be painted.