An industry standard for copper tubing defined by the tube wall thickness and identified by a "blue" strip. Type "L" copper tube wall is approximately 50% greater thickness than Type "M.".
Type "m" tube
An industry standard for copper tubing defined by the tube wall thickness and identified by a "red" stripe.
Type of use
Stipulation in a contract on how property can or cannot be used.
Type-x gypsum wallboard
Fire-resistant wallboard manufactured by adding fiberglass. Used between garages and living areas and other areas where additional fire protection is desired or required by code.