DOUGTAS FIR DOORS

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One ol these distinctiae F.D.I. "grad,e trade-marks" appears on the bottonr ol eaery oft.Zially inspected Douglas fir d.oor-and. only on d.oors so inspected. Look lor the F.D.I. seal. It is your symbol ol line craftsmanship, now backed, by rtgid. manulacturing inspection,

EVERY Douglas fir door stamped wi,th an official F.D.I. grade-mark comes under the new Fir Door Institute inspeition service-to assure dre 'high. est possible product quality and uniformitv.

Inspection covers workmanship, appearance, grade-and new dimension specifications adopted for stock in'terior doors. Stock 'doors are now pre-fit to /g-inch Iess than previous net c&talog height, and 3/16-inci less than catalog width, permitting installation without sawing, trimming or planing. On*he.job oosts are reduced. A cleaner, more at. tractive product is assured.

Stock doors are also resin pre-sealed, which prepares them for better finish, protects against moisture, and improves dimensional stability. On order, covered by official inspec. tion-assuring.doors whidr meet every quality standard adopted by member factories of the Fir Door Institute.