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Title:Time and Cost Studies on Five Floor Systems
Author(s):Jones, Rudard A.; Percival, Donald H.
Abstract:The fabrication and construction of five floor framing and subflooring systems was observed and records were kept of the labor times and materials costs of these systems, which were designed for use of 25/32" strip finish flooring. The following conclusions are valid only for systems in which 25/3211 strip flooring is used as the finish flooring: Framing 1. 2 x 10 joists spaced 24 inches on center were less costly than 2 x 8 joists spaced 16 inches on center. 2. Systems with joists butted over the center girder and tied together with the plywood subfloor were less costly than comparable systems with a lap joint at the center. Subflooring 1. The 1/2'' plywood subfloor resulted in both the lowest material and labor cost for subflooring. The combined material and labor cost was substantially lower than that of any of the other subflooring materials. System 2. The savings (reduced labor and reduced waste) gained by installing 1 x 6 T & G end-matched subflooring did not offset the added cost of this material as compared to 1 x 6 S4S boards. 1. The overall cost of systems employing 1/2" plywood subflooring over conventional joist floor framing was substantially lower than the component system or systems using other subflooring materials. This statement is true without regard to the type of center joint--butted or lapped. 2. The component system had the highest labor cost and highest total cost although the material cost was somewhat less than the system for which 1 x 6 T & G subflooring was used.
Issue Date:1963
Publisher:Small Homes Council - University of Illinois Urbana-Champaign
Series/Report:Research Report 63-2
Genre:Technical Report
Sponsor:Lumber Dealears Research Council
Rights Information:Copyright 1963 Board of Trustees of the University of Illinois
Date Available in IDEALS:2014-09-23

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