73330924
Oct 5, 1981
May 31, 1983
Lumber, Timber, Plywood, Veneers, Poles, Ties, Piling, and Particleboard Made In Whole or Part of Wood, All of the Foregoing Goods Being Untreated or Impregnated to Protect the Same Against Mildew, Decay, Fungus, Insects, or Other Animal Attack and the Ignition and Spread of Fire; Aggregates, Sand and Road Binding Solutions; Ducts and Conduits for Drainage and Irrigation; Tiles Having Insulating and Soundproofing Properties; Wallboards and Moldings, and Acoustic Plaster; Spackle and Plasters; Asphalt Shingles, Siding, Roll Roofing, Felts and Sheathings; Roofing Cardboard; Roofing Paper Sized to Resist Water; Cement for Building and Decoration; Lightweight Concrete in Block or Slab Form; Concrete Joists; Poured Precast Concrete Walls, Ceilings and Roofs; Building Brick, Blocks and Tiles; Stuccos and Mortars; Gypsum and Gypsum Board; Laminated Foil and Paper Vapor Barriers; Wooden Flooring Blocks; Laminated Resinous Sheets and Panels for General Structural Use; and Pitch for Roofing Purposes
Nonmetallic Building Materials