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Related to firring: firing squad, firing, Furring strips
1. Spacers such as wood strips or metal channels which are fastened to the joists, studs, walls, or ceiling of a building so that the finish surface may be leveled. Also see wall furring.
2. Grillage for the attachment of gypsum or metal lath.
3. A method of finishing the interior face of a masonry wall to provide space for thermal insulation, to prevent moisture transmission, or to provide a level surface for finishing.
4. Same as scale, 8.