and drain applications. Home Improvement Glossary Type L copper Type L is a thicker type of rigid copper pipe and is used in outdoor and drain applications. Home Improvement Glossary Type M copper Type M is the thinnest type of rigid copper pipe, but it is strong enough for most homes. Home Improvement Glossary usable yield The usable yield is the amount of wallpaper that will actually go on the wall. The type and size of pattern repeat reduces the amount of wallpaper that you can actually use. Home Improvement Glossary VCT Vinyl composition tile. Commercial floor tiles made from chips of colored vinyl and compressed into solid sheets. These sheets are heated and then cut into 12" squares. Home Improvement Glossary vent flashing Vent flashing is installed around (you guessed it) the vents on your roof. The flashing is typically made of metal and has a rubber grommet around the edge. Home Improvement Glossary vintage Vintage materials are those from an earlier time. Vintage materials can be anything from clothing from the 1940s to antique furniture to old advertisements. Home Improvement Glossary voltage tester A tool to measure the voltage emanating from a wire or appliance. Home Improvement Glossary wainscoting A form of wood paneling that comes about halfway up the wall. Often built from beadboard. Home Improvement Glossary wall brushes A flat-bottomed paintbrush, usually 3-5 inches wide, used for painting the large main areas of a wall. Home Improvement Glossary wallboard clips Wallboard clips are fasteners for attaching