Description | Photocopy of article entitled: The Plenwood System: (Revised July 1979) containing the N.A.H.B. Research Foundation Inc. Underfloor Plenum Manual. Author: unknown. Place published: Tacoma, Washington. Publisher: American Plywood Association. Notes: 7 pages + N.A.H.B. manual 20 pages published by the N.A.H.B. Research Foundation Inc, Maryland. |