How\ilell

DoYou Know Your F.D.I.'s?

F. Duggie Fir Tblh You.. ,

W'e mean all five of them, of course. '.

Adopted by the Fir Door Institute almost two years ago' today they are in demand by Builders, Archhects, Retailerc' Jobbers.

All five grades have as their objective low protecion-by assuring that your Douglas Fir Door is uP to high-quality standards.

'\tr7hen you see one of these five FDIgrade trademarks on a Douglas FirDoor, you kno* they come from a mill subject to regular Institute inspection.and quality supervision.

Each grade has its own specific purpose:

FDf-A CRADE. This grade can be usedwhere anajoritl L?,h" doott "t td be natural 6nish. These doors are acceptable for high-class residences., hotels, hos' fitals, o^ffice buildinls, aPdtments and clubs.

FDI-B GRADE. This grade has a small percentage that can be finished naiural, but the bulk is for paint' This erade is acceptable for residences, schools, apanri'etra, motels ind hotels.

FDI-B? GRADE. This grade is stricrly a paint-door. It is acceptable for lower-priced homes, canton' ments, army barracks.

FDt-c GnADE. This grade is strictly a paint-door. It is suitable for service porch entrances'- garages' oumide basement doors, medium and low'cosr back doors.

FDf-rriR onaDE. l){' only.Used for farm out-build' ings, granaries, hen houses,. fatm tenements, etc'

Be sure to speci$ the FDI grade mark on your next Fir Door order.