hardwall

English

Etymology

From hard +‎ wall.

Adjective

hardwall (not comparable)

1. Made from rigid materials such as wood, metal, or fiberboard.
   • 1966, Pit & Quarry, page 74:

     Floating wire hardwall, softwall, and corrugated hardwall constructions are available in a variety of cover materials, such as neoprene, natural rubber, butyl, which the manufacturer reports meet practically every application requirement in the bulk materials handling field.

   • 1976, Broadcast Engineering, page 36:

     The Hardwall Flat […] Figure 3 shows how a soft or hardwall flat can be made to stand on its own, away from a studio wall.

   • 2003, Herbert Zettl, Television Production Handbook, 8th edition, Thomson/Wadsworth, →ISBN, page 370:

     Although television stations and non-broadcast production houses use hardwall scenery almost exclusively, softwall scenery is more practical for high-school and college television operations.

Coordinate terms

• softwall

Noun

hardwall (uncountable)

1. A strong grade of gypsum plaster, used primarily as an undercoat.
   • 1923, Trade and Industrial Series - Issues 1-7, page 43:

     Keen's cement finish bonds best to a base of strongly gauged Keen's cement mortar, but the addition of lime putty increases its bonding qualities when applied over a hardwall, lime mortar, or Portland cement base coat.

   • 1950, Information Circular - Issues 7555-7568, page 15:

     Hardwall-grade calcined gypsum ( +90 percent Casoy ) passes over a vibrating scrcen fitted with a 50-mesh screen;

   • 1992, United States Congress House Committee on Government Operations: Environment, Energy, and Natural Resources Subcommittee, EPA's Administration of the Asbestos in Schools Program, page 157:

     When EPA promulgated its final AHERA regulations on October 30, 1987, the regulations did not mention sheetrock, drywall, gypsum wallboard or hardwall plaster as ACM.

   • 2010, DIY Doctor, Master Basic DIY: Teach Yourself:

     Hardwall is similar to browning except that it offers a higher impact resistance and quicker drying surface.