Timber Panelled and Glazed Shutters, Part 1: Door shutters

IS 1003 Part 1: Scope - Key Formulas, Tables, and Specifications

1. Scope Summary:

• Covers modular and non-modular door shutters.
• Specifies dimensions, tolerances, finishes, and testing criteria.
• Defines designation system for modular sizes (width and height in modules, M = 100 mm).

2. Key Tables:

3. Designation Explanation:

• Format: [Width Module] D [S/T] [Height Module]
• Example: 8 DS 20
  • 8 = Width in modules (8 × 100 mm = 800 mm)
  • D = Door
  • S = Single shutter (T = Double leaf)
  • 20 = Height in modules (20 × 100 mm = 2000 mm)

4. Dimension Formulas:

5. Finishing Requirements (Clause 9.4):

• Surfaces to be

IS 1003 (Part 1): Key Referenced Indian Standards & Specifications

1. Referenced Indian Standards

• IS 2338 (Part 1 & 2): Specifies primer, polish, and varnish for protective coating of door shutters (Clause 9.4).
• IS 4021 & IS 4351: Standard sizes for door frames.
• BIS Act 1986: Governs the use of the Standard Mark and copyright of standards.

2. Dimensions & Tolerances of Door Shutter Components (Table 2, Clause 7.1)

3. Standard Door Shutter Dimensions (Table 3, Clause 7.2)

IS 1003 Part 1: Terminology - Key Specifications & Tables

1. Dimensions and Tolerances of Door Shutter Components (Table 2, Clause 7.1)

2. Modular Door Shutter Dimensions (Table 3, Clause 7.2)

• Width and height are modular (M = 100 mm).
• Designation format: [Width Module] D [S/T] [Height Module]
  • D = Door, S = Single shutter, T = Double leaf shutter.

• Values in brackets correspond to height from finished floor level.

3. **Sample Size & Acceptance Criteria for Testing (Table 4, Clause 12.2.2

IS 1003 (Part 1) - Key Formulas, Tables & Specifications for Materials

1. Dimensions & Tolerances of Door Shutter Components (Table 2, Clause 7.1)

2. Door Shutter Dimensions (Table 3, Clause 7.2)

• Note: Dimensions in brackets correspond to modular height from finished floor level.

3. Material Specifications

• Protective Coating: Primer, polish or varnish as per IS 2338 (Parts 1 & 2) must cover all paint/polish surfaces before delivery (Clause 9.4).
• Asbestos Cement Sheets: Panels must conform to IS

Key Specifications & Tables for Timber and Panel Materials (IS 1003 Part 1: 2003)

1. Timber Panelling (Clause 6.6)

• Minimum panel thickness: 15 mm
• Minimum panel width: 100 mm
• Grain direction: Along the longer dimension
• Max panel area: 0.5 m²
• Jointing: Tongued and grooved joints with depth & thickness = 1/3 panel thickness

2. Prelaminated Medium Density Fibre Board (Clause 6.17)

• Panels made from a single piece
• Minimum thickness: 12 mm

3. Construction (Clause 6.1)

• Timber framework with stiles and rails joined by mortice and tenon joints
• Bottom rails: haunched plain double tenon joints
• Rails inserted 25 ± 3 mm short of stile width to form stub mortice and tenon joints

4. Permissible Defects for Grades of Timber (Table 1, Clause 5.1.5)

Note: Knots must not occur where hinges or locks are fixed.

Summary Diagram of Timber Panel Joint (Mortice & Tenon)

flowchart LR
A[Stile] -->|Mortice| B[Rail]
B -->|Tenon| A
subgraph Joint
   

IS 1003 Part 1: Construction and Workmanship Key Points

1. Construction of Timber Panelled Shutters (Clause 6.1)

• Framework: Stiles and rails with panel inserts (timber, plywood, blockboard, MDF, veneered particle board, asbestos cement sheets, wire gauze, or glass).
• Panel fixing: Grooves and/or beading.
• Joints:
  • Stiles, top rails, lock rails: Mortice and tenon joints (Fig. 2 & 3).
  • Bottom rails: Haunched plain double tenon joints.
• Rail insertion: 25 ± 3 mm short of stile width for stub mortice and tenon.

2. Permissible Defects (Table 1, Clause 5.1.5)

• Knots must not occur where hinges or locks are fixed.

3. Dimensions & Tolerances of Door Shutter Components (Table 2, Clause 7.1)

IS 1003 (Part 1) - Sizes and Types of Timber Panelled & Glazed Shutters

1. Modular Sizes (Clause 7.2 & Table 3)

• Note: Designation format:
  • First number = width in modules (1 module = 100 mm)
  • Last number = height in modules
  • 'D' = Door, 'S' = Single shutter, 'T' = Double leaf shutter
• Heights in brackets apply if measured from finished floor level.

2. Component Dimensions & Tolerances (Table 2)

3. **Shutter & Frame Dimension Relations (Fig.

IS 1003 (Part 1) - Location of Fittings and Accessories: Key Points

1. Tolerances (Clause 7.3)

• Door shutter size tolerance: ±3 mm

2. Dimensions of Door Shutter Components (Table 2, Clause 7.1)

3. Overall Dimensions of Door Frames & Shutters

• Thickness of door frame minus rebate = 45 mm
• Overall height of door frame = MH - 10 mm (MH = Modular Height)
• Height of shutter = MH - 95 mm
• Width of shutter = MW - 100 mm (MW = Modular Width)
• Overall width of door frame = MW - 10 mm

4. Standard Door Sizes (Table 3, Clause 7.2)

IS 1003 (Part 1) - Finishing of Door Shutters: Key Points

Protective Finishing (Clause 9.4)

• All door shutter surfaces to be painted, polished, or varnished shall first receive a protective coat of primer, polish, or varnish.
• Primer coat must comply with IS 2338 (Part 1 & 2) before delivery.

Dimensions & Tolerances of Components (Table 2, Clause 7.1)

Door Shutter Dimensions (Table 3, Clause 7.2)

• Numbers indicate modular sizes (1 module = 100 mm).
• Heights in brackets apply when measured from finished floor level.

Important Dimensional Relations (Fig. 6)

• Door Frame Thickness minus rebate = 45 mm
• Overall height of door frame = MH - 10 mm (MH = modular height)
• Height of shutter = MH - 95 mm
• Width of shutter = MW - 100 mm (MW = modular width)
• Overall width of door frame = MW - 10 mm

Glass and Glazing Requirements as per IS 1003 (Part 1): 2003

1. Glass Specifications (Clause 10.1 & 5.6):

• Glass must conform to IS 2835 or IS 2553.
• Minimum thickness: 4 mm
• Minimum weight: 10 kg/m²
• Types allowed: Clear, frosted, wire, coloured glass (as agreed between purchaser & supplier).

2. Panel Size Specification (Clause 10.2):

• When specifying glass panel sizes, the first dimension is width.

3. Door Shutter Dimensions for Glazed Panels (Table 2 & 3):

4. Standard Door Sizes for Glazed Doors (Table 3):

IS 1003 Part 1: Performance Tests Key Points

1. Slamming Test (Clause 11.9)

• Clause 11.9.1: Any one test from 11.9.2 or 11.9.3 shall be used to assess shutter performance under impact/slamming conditions.
• Purpose: To verify durability and resistance to dynamic impact.

2. Sample Size & Conformity Criteria (Clause 12.2.1, 12.2.2)

• Sample size for testing dimensions, squareness, flatness, and local planeness is per Table 4:

• For lot size ≤ 25, sample size is mutually agreed.

3. Additional Specifications

• Shutter size classification: Modular or Non-modular.
• Modular sizes follow designations in Table 3 (width × height in modules).
• Appropriate symbols for shutters as per Note 1 of Table 3.

Summary Diagram: Testing Process Flow

flowchart TD
    A[Select Lot Size] --> B{Lot Size ≤ 25?}
    B -- Yes --> C[Agree Sample Size with Purchaser]
    B -- No --> D[Refer Table 4 for Sample Size]
    D --> E[Take Samples]
    E --> F[Test Dimensions & Planeness]
    F --> G[Check Defectives Against Permissible Limit]
    G --> H{Defectives ≤ Permissible?}
    H -- Yes --> I[Lot Accepted]
    H -- No --> J[Lot Rejected or Re-inspected]

**Use this framework for performance testing and conformity assessment

IS 1003 Part 1: Sampling and Criteria for Conformity

1. Sample Size & Permissible Defectives (Table 4, Clause 12.2.2)

• For lot size ≤ 25, sample size is mutually agreed upon by manufacturer and purchaser.

2. Criteria for Conformity (Clause 12.3)

• A lot conforms if the number of defective samples ≤ permissible defectives (Col 4, Table 4).

3. Sampling Details (Clause 12.2.1)

• Number of specimens for testing dimensions, squareness, flatness, and local planeness = Sample size from Table 4 (Col 3).

Summary Diagram:

flowchart TD
    A[Lot Size] --> B{Check Lot Size Range}
    B -->|26-50| C[Sample Size=8, Defectives=0]
    B -->|51-100| D[Sample Size=13, Defectives=1]
    B -->|101-150| E[Sample Size=20, Defectives=1]
    B -->|151-300| F[Sample Size=32, Defectives=1]
    B -->|301-500| G[Sample Size=50, Defectives=2]
    B -->|501+| H[Sample Size=80, Defectives=2]
    C --> I{Defectives ≤ Permissible?}
    D --> I
    E --> I
    F --> I
    G --> I
    H --> I
    I -->

IS 1003 Part 1: Environmental & ECO-Mark Requirements Summary

1. Criteria for Conformity (Clause 12.3 & Table 4)

• For lot size ≤ 25, sample size is mutually agreed.

2. ECO-Mark Requirements (Clause 13 & 5.1.1)

• Timber Source: Must be from non-natural forest sources (e.g., industrial/social forestry plantations, shade trees).
• Timber Group & Grade: As per Clause 5.1.1 and 5.1.5.
• Species: Must be declared for ECO-Mark.
• Documentation: Manufacturer must submit:
  • Certificate/declaration to BIS.
  • Environmental consent clearance from State Pollution Control Board under Water & Air Acts.
  • Authorization under Environment (Protection) Act if applicable.

3. Additional Notes

• Door shutters must meet both quality/performance and ECO-Mark environmental criteria.
• Modular or non-modular shutter sizes must be designated per Table 3 (not included here).

This ensures sustainable timber use and environmental compliance for door shutter manufacturing under IS 1003 Part 1.

IS 1003 Part 1: Marking Key Points

1. Marking Requirements (Clause 12.2.2)

• Marking must include:
  • Whether the shutter size is Modular or Non-modular.
  • Designation: For modular shutters, width & height in modules (see Table 3). For non-modular, actual width & height.
  • Appropriate symbols as per Note 1 of Table 3.

2. Sampling & Conformity (Table 4)

• For lot size ≤ 25, sample size is mutually agreed.

3. Conformity Criteria (Clause 12.3)

• Lot conforms if defective samples ≤ permissible defectives (col 4 above).

4. Standard Mark Usage (Clause 14.1.1.1)

• Governed by BIS Act 1986.
• License required for use of Standard Mark.

Summary Diagram - Marking Flow

flowchart TD
    A[Start: Product Ready] --> B{Is size Modular?}
    B -- Yes --> C[Mark width & height in modules]
    B -- No --> D[Mark actual width & height]
    C --> E[Apply appropriate symbols (Table 3 Note 1)]
    D --> E
    E --> F[Include timber group, grade, species (if ECO-Mark)]
    F --> G[Apply Standard Mark (if licensed)]
    G --> H[Marking Complete]

Note: Always refer to Table 3 for modular size designations and symbols.

IS 1003 Part 1: Information to be Supplied by the Purchaser

Key Requirements (Clause 15 & related):

• Shutter Size Type: Specify if the shutter is Modular or Non-modular.
• Designation: For modular, provide width & height in modules as per Table 3; for non-modular, give actual dimensions.
• Dimensions: Use Table 3 for standard door shutter sizes (width × height in mm).

Important Tables:

Table 3: Door Shutter Dimensions (Clause 7.2)

Note: Values in brackets are if height is measured from finished floor level.

Table 4: Sample Size & Criteria for Conformity (Clause 12.2.2)