IS 1003 Part 1

: 2003

Timber Panelled and Glazed Shutters - Part 1: Door Shutters (B.L.T. type)

CurrentFrequently UsedSpecificationBIMArchitectural · Doors, Windows and Shutters
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This standard specifies the requirements for timber panelled and glazed door shutters. Engineers, architects, and builders use it to define material quality, standard dimensions, permissible tolerances, and construction methods (like mortise and tenon jointing) for wooden door shutters in buildings.

Specifies requirements for timber panelled and glazed door shutters of B.L.T. type.

Quick Reference Values
Standard shutter thicknesses25, 30, 35, and 40 mm
Tolerance on width and height± 3 mm
Tolerance on thickness± 1 mm
Minimum width of stiles100 mm (for 35mm & 40mm thick shutters)
Minimum depth of rebate12 mm
Practical Notes
Always verify that the moisture content of the timber matches the climatic zone requirements specified in IS 287 to prevent warping, bowing, or shrinkage after installation.
Inspect the mortise and tenon joints closely; they must be accurately machined, tightly fitted, properly glued, and securely wedged or pinned to ensure the structural integrity of the door.