TExos 0-6456 VErmont g-11 85

Principles of Subfloor Construction In Hcrrdwood Flooring Instqllofion

Tl'rese principles of subfloor constrttctiou should be observed carefully to help assure satisfactory l.rardu'oocl flooring installatior.rs :

1. Use l-inch thick kiln-drierl No. 1 or No. 2 Common lumber, preferably scluare-edge, of :rny coniferorrs species commonly employed for subfloorine. A11 of these species possess adequate nail holding power if nailed properly.

2. If possible, ttse boards 4 irrches or 6 incl.res u,icle. Unlike wider boarcls, their swelling :rncl sl.rrinking is not likely to be out of 1>roportion to that tif the finish flooring.

3. Face nail ,l-inch or 6-inch boards soliclly at every bearing point rvith two lO-ltetrr.ry nails.

4. If S-inch boards must be used. tl.rey shoulcl be fastened with three lO-penny nails at each beariiig point.

5. Should lO-irrch boarrls be rrsed destriie rlre obiections cited, they should receive four 10-penr.ry nails at eacl.r bearing point.

6. Under no circumstances should l2-inch boards be employed.

7. Boar<ls should be spacecl about one-fourth inch apart to allou' for norrnal expansion. All butt joitrts shoulcl rest on bearings.

8. It is preferable to avoicl use of boarcls u'hich have servecl as forms for concrete .il,'ork. Such bciards. if used. shoul<l be sound, clean, clry and free of u'arps. Even then it is aclvisable to provicle extra nailir.rg.

Viney-Milliken Adds Covincr Spoce

'l'he Viney-1\'tilliken Lumber Cornpauy has engaged Arcl'ritect \\iard It. Helnran of Arcaclia to prepare plans for a secorrd expansion of its existing retail store at I l 1 F,. l'ront St. in Covirra, Calif.

-elutilt?r, Eard Tale/rl lodpl Wiilatd Seln / 4u,

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