de-Marked ld5 F'ir Doors

are he ld to rigid standards of quality and uniformity through Fir Daor Institute inspection seruice

NOW in effect are new quality standards for all Douglas fir doors, and new dimension specifications for stock interior doors-both backed by official Fir Door Institute inspection. Stock interior doors are prefit to /6-inch less than previous catalog height and 3/16-inch less than catalog width, which permits on-the-job installation without sawing or trimming. Stock doors are also resin pre- sealed for better frnishing and improved dimensional stability.

On order, Douglas fir interior doors are available Factri-fit as well-pre-fit, pre-sealed and completely machined for lo&s and hinges.

All these features come under official inspection-as does workmanship and grade. The F.D.I. "grade trade-mark" is your assurance of a highquality, uniform produot.

sAa sBa sCa sJrl|Ra

Onc of lhcrc di:tinclivc F.D.l. "grodc lroda-nqrkr" oppcqrr on thc bottom of cvcry officiolly Inrpc<fcd Douglor fir door-ond only on door ro inrpactcd. Look tor fh. F.D.l. rcol. lt lr your rymbol of finc croft:nonrhip, bockcd by rlgld inrpcclion.

ime is the greot teslert These super-ponel products of plywood fqced with resin-impregnoted fibre, hqve been put fhrough every kind of teat through the yeors. SUPER-Hqrborite is produced ln both Single-Ply qnd Multi-Ply. The one hqs o single core of veneer, lhe other hos loyers of cross-bonded yeneer.

SINGtE.PIY

Overloy foces qre permonently bonded to lhe Douglos ftr single veneer core in Horbor's hol presses, under normol plywood pressure. The ponels ore smoolh, hord, groinless ond in lorge sizes oJ l/a" ond 3/16" nominql thicknesses. They ore notobly lighl ond eosily worked; ideol for drower bolloms, cose bocks, disploys ond counlless uses which do not require the structurql strength of frlulti-Ply.

fiTUtTI.PLY

Ponels hqve o core body of slrong, rigid, split-proof SUPER-Hqrbord. The resin-impregnqted ftbre fqces ore permonenlly bonded to the core body (os in SinglePly) wirh q wqlerproof phenotic resin binder. SUPERHqrborite is not q "wor boby." lt wqs thoroughly proved before Peort .Horbor in counlless opplicollons --qnd cholked up q remorkoble wor record os well.

Sizes up lo 48" x 144" in thicknesses ol th" lo l-3/16".

I. E MARIIN Mcncaing Editor