Timber Panelled And Glazed Shutters, Part 2: Windows and Ventilator Shutters

IS 1003 Part 2: Key Specifications & Tables for Window and Ventilator Shutters

Scope (Dimensions, Sizes, and Tolerances)

1. Dimensions & Tolerances (Clause 7.1, Table 2)

2. Standard Designations & Sizes

• Window Shutters (Table 3):

• Ventilator Shutters (Table 4):

3. Hinges Location

• Hinges generally placed at quarter points of top/bottom rails.
• Bottom hinge distance from shutter end ~15 cm.
• Top hinge distance from shutter end ~10 cm.
• Ventilator shutters fixed with two hinges or suspended on peg stay depending on hanging type (top, bottom, or center hung).

Summary:

IS 1003 (Part 2) : 1994 — Referenced Indian Standards Summary

This standard references key Indian Standards essential for timber window and ventilator shutters:

Key Notes:

• These standards cover timber moisture, preservation, finishing, adhesives, glass specifications, and timber classification.
• Timber species classification is per IS 12896:1990.
• Preservation treatments follow IS 401:1982.
• Finishing practices are per IS 2338 parts 1 & 2.
• Safety and types of glass are covered under IS 2553 and IS 2835.

Dimensional Tolerances (Excerpt from Table 2, Clause 7.1)

| Component | Width

IS 1003 Part 2 - Terminology & Key Specifications

1. Terminology (Clause 3.1)

• Definitions align with IS 10428:1983 and IS 707:1976.
• Components include: Stiles, Rails, Munting, Glazing Bars (see Fig.1 in IS 1003-2).

2. Designation (Clause 7.2)

• Window & ventilator shutters are designated by symbols indicating width and type.

3. Dimensions & Tolerances (Clause 7.1, Table 2)

4. Gluing of Joints (Clause 6.11)

• Joints must be glued as per specifications for durability.

flowchart LR
    A[Window Shutter] --> B[Stiles & Rails: 80x25/30 mm]
    A --> C[Munting: 60x25/30 mm]
    A --> D[Glazing Bars: 40x25/30 mm]
    E[Ventilator Shutter] --> F[Stiles & Rails: 80x20-30 mm]
    E --> G[Munting: 60x25/30 mm]
    E --> H[Glazing Bars: 40x25/30 mm]

Summary: Use Table 2 for exact dimensions and tolerances; refer IS 10428 & IS 707 for component definitions.

IS 1003 Part 2: Key Specifications for Materials

1. Dimensions and Tolerances (Clause 7.1 & Table 2)

2. Moisture Content (Clause 5.1.2)

• Timber moisture content must comply with IS 287:1993.
• Typically, maximum permissible moisture content is around 12-15% for window/ventilator timber.

3. Gluing of Joints (Clause 6.11)

• Use adhesives compatible with timber and environmental conditions.
• Ensure proper surface preparation and curing as per manufacturer instructions.

Summary Diagram of Components Dimensions

graph LR
A[Window Shutter] --> B[Stiles & Rails: 80x25/30 mm]
A --> C[Munting: 60x25/30 mm]
A --> D[Glazing Bars: 40x25/30 mm]

E[Ventilator Shutter] --> F[Stiles & Rails: 80x20-30 mm]
E --> G[Munting: 60x25/30 mm]
E --> H[Glazing Bars: 40x25/30 mm]

This concise summary ensures adherence to IS 1003 Part 2 for material dimensions, moisture content, and joint gluing.

Timber Quality & Defects as per IS 1003 (Part 2):1994

1. Defects Prohibited (Clause 5.1.4)

• No decay, fungal growth
• No boxed heart
• No splits
• No pitch pockets or streaks on exposed faces

2. Defects Permitted & Grading (Clause 5.1.5 & Table 1)

Note: Knots not allowed where hinges or locks are fixed; dead knots must be plugged.

Additional Notes:

• Moisture content and preservation as per IS 287:1993 and IS 401:1982.
• Imported timber species require treatment unless heartwood is durable (* marked species).
• Use suitable fillers for pitch pockets and worm holes on exposed surfaces.

flowchart

IS 1003 Part 2: Construction and Workmanship - Key Points

1. Timber Panelled Shutters Construction (Clause 6.1)

• Timber framework with specified joints and components (stiles, rails, panels).
• Refer to Fig.1 for terminology: transome, holdfast, top/bottom/centre hung ventilators, folding shutters.

2. Permissible Defects in Timber (Table 1, Clause 5.1.5)

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

3. Gluing of Joints (Clause 6.11)

• Joints must be glued with appropriate adhesive ensuring strength and durability.

4. Inspection & Testing (Clause 3.1)

• Shutters inspected for dimensions, workmanship, finish, glazing.
• One shutter per 1000

IS 1003 Part 2: Dimensions, Sizes, and Tolerances for Window & Ventilator Shutters

1. Dimensions & Tolerances (Clause 7.1, Table 2)

2. Standard Sizes (Clause 7.3.1, Tables 3 & 4)

• Timber Window Shutters

• Timber Ventilator Shutters

3. Fittings Location (Clause 7.3.1)

• Hinges usually at quarter points of the shutter height.
• Bottom hinge distance ~15 cm from bottom edge.
• Top hinge distance ~10 cm from top edge.
• Ventilator shutters may be top-hung, bottom-hung, or center-hung.

flowchart LR

IS 1003 Part 2: Fittings and Accessories Key Points

1. Location of Fittings and Accessories (Clause 7.3.1)

• Hinges are generally fixed at quarter points of the shutter height.
• Bottom hinge is placed ~15 cm from the lower end.
• Upper hinge is placed ~10 cm from the upper end.
• Ventilator shutters use two hinges at quarter points or a peg stay at the center depending on hanging type (top, bottom, or center hung).

2. Dimensions of Timber Window Shutters (Table 3)

3. Dimensions of Timber Ventilator Shutters (Table 4)

4. Tolerances (Clause 7.3.2)

• Overall dimensions of window and ventilator shutters: ± 3 mm

Summary Diagram of Hinge Location on Shutter

graph TB
    A[Top of Shutter]
    B[Upper Hinge (10 cm from top)]
    C[Middle (Quarter Points)]
    D[Bottom Hinge (15 cm from bottom)]
    E[Bottom of Shutter]

    A --> B --> C --> D --> E

Note: Use suitable hinges and accessories as per shutter size and hanging type for proper functionality and durability.

IS 1003 (Part 2): 1994 - Finishing of Window/Ventilator Shutters

Key Points on Finishing:

• Clause 9.1:

  • All shutters must be sanded and finished smooth to ensure proper surface quality.

• Seasoning & Treatment (Clause 5.1.3):

  • Follow IS 1003 (Part 1): 1991 for seasoning and timber treatment before finishing.

• Dimensions & Tolerances (Clause 7.1):

  • Finished dimensions and tolerances are specified in Table 2 (refer IS 1003 Part 2 for exact values).

• Purchaser's Information (Clause 15.1):

  • Specify timber species, grade, shutter type, panel details, opening method, and finish type (painted or polished).

• Referenced Standards for Finishing:

  • IS 2338 (Part 1 & 2): Code of practice for finishing wood and wood-based materials.
  • IS 401: Code of practice for timber preservation.
  • IS 287: Permissible moisture content for timber.

Recommended Finishing Process (per IS 2338):

1. Surface Preparation:
   • Sanding to remove roughness and defects.
2. Preservative Treatment:
   • As per IS 401, especially for imported species.
3. Application of Finish:
   • Polishing or painting as specified.
4. Moisture Content:
   • Maintain timber moisture content as per IS 287 for durability.

Summary Table: Finishing Requirements

flowchart TD
    A[Timber Selection & Seasoning] --> B[Surface Preparation (Sanding)]
    B --> C

IS 1003 Part 2: Glazing Key Points

Glass Specifications (Clause 5.5)

• Glass shall conform to:
  • IS 2835:1987 (Glass for glazing)
  • IS 2553 (Part 1):1990
  • IS 5437:1993
• Types allowed: frosted, wire, coloured glass as per user specification.

Dimensioning (Clause 10.2)

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

Components Dimensions & Tolerances (Clause 7.1, Table 2)

Summary:

• Use IS 2835 / IS 2553 / IS 5437 for glass quality.
• Width dimension is primary for glass panels.
• Follow Table 2 for shutter component sizes and tolerances.

flowchart LR
    A[Glass Type] --> B{IS Standards}
    B --> IS2835[IS 2835:1987]
    B --> IS2553[IS 2553 (Pt 1):1990]
    B --> IS5437[IS 5437:1993]
    C[Panel Size] --> D[Width first]
    E[Components] --> F[Stiles & Rails]
    E --> G[Munting]
    E --> H[Glazing Bars]
    F --> I[80 ± 3 mm width]
    G --> J[60 ± 3 mm width]
    H --> K[40 ± 1 mm width]

For

IS 1003 Part 2: Slamming Test for Shutters

Key Points from Clause 11.1 & Annex C:

• Purpose: Verify shutter resistance to slamming impact.
• Test Procedure:
  • Lift the free edge of the shutter to form a 30° angle at the hinged edge.
  • Allow it to drop freely onto the rail under its own weight.
  • Perform 50 drops at a rate of 4.5 drops/minute.
• Acceptance Criteria:
  • No visible damage on any part of the shutter after 50 drops.
• Applicability:
  • Not applicable for glazed or wire gauzed panelled shutters.
• Frequency:
  • Test on every 1000 shutters produced or on any design change.

Sampling & Conformity (Annex D):

• From each batch, inspect for dimensions, workmanship, finish, etc.
• Select one shutter per 1000 for slamming test.
• Lot passes if defective shutters ≤ permissible number in Table 5 (not provided here).

Summary Table:

flowchart LR
    A[Lifting free edge to 30°] --> B[Drop under own weight]
    B --> C{Repeat 50 times at 4.5 drops/min}
    C --> D[Inspect for visible damage]
    D -->|No damage| E[Test Passed]
    D -->|Damage| F[Test Failed]

This test ensures durability against operational impacts, maintaining shutter integrity and safety.

IS 1003 Part 2: Sampling and Criteria for Conformity

Key Points from Clause 12 & Annex D:

• Sampling is done separately for each lot.
• Lot size defines sample size and acceptance criteria.
• For lots ≤ 25 shutters, sampling is mutually agreed.
• For lots > 25, use the table below.

Table: Sample Size & Permissible Defectives (Clause 2.1, Table D-4)

Additional Notes:

• Slamming Test (Annex C): Conducted every 1,000 shutters or on design change; no visible damage after 50 drops.
• Sampling ensures quality control by limiting defective shutters per lot.

flowchart TD
    A[Lot of Shutters] --> B{Lot Size}
    B -->|≤ 25| C[Sampling as agreed]
    B -->|> 25| D[Refer Table D-4]
    D --> E[Select Sample Size]
    E --> F[Inspect Sample]
    F --> G{Defectives ≤ Permissible?}
    G -->|Yes| H[Lot Accepted]
    G -->|No| I[Lot Rejected]

This ensures statistically valid acceptance/rejection based on lot size.

IS 1003 Part 2: Environmental Requirements & ECO Mark Summary

Environmental Requirements (Clause 13)

• Material Source: Door shutters must be made from:
  • Agricultural/industrial wood wastes
  • Wood residues
  • Timber from non-natural forests (e.g., industrial/social forestry plantations, shade trees from tea/coffee estates)
• Reference Standard: IS 12896:1990 for wood source criteria.
• Quality Compliance: Must meet IS 1003 Part 2 quality and performance plus ECO Mark standards.

ECO Mark Specifics (Clause 5.1.1 & 13.1)

• Timber Group & Grade: As per Clauses 5.1.1 and 5.1.5.
• Timber Species: Must be declared for ECO Mark.
• Certification:
  • Documentary evidence (certificate/declaration) to BIS.
  • Environmental consent clearance from State Pollution Control Board under:
    • Water (Prevention & Control of Pollution) Act, 1974
    • Air (Prevention & Control of Pollution) Act, 1981
    • Environment (Protection) Act, 1986 (if applicable).

Sampling & Conformity (Annex D)

• Sampling procedures and conformity criteria for shutters are detailed in Annex D (refer to IS 1003 Part 2 Annex D for specifics).

Summary Table for ECO Mark Documentation

For detailed sampling methods and conformity criteria, consult Annex D of IS 1003 Part 2.

flowchart TD
    A[Raw Material] --> B{Source}
    B -->|Agricultural/Industrial Waste| C[Use in Shutters]
    B -->|Non-natural Forest Timber| C
    C --> D[Manufacturing as per IS 1003 Part 2]
    D --> E{ECO Mark Certification}
    E -->|Documentary Evidence| F[BIS]
    E -->|Environmental Clearance| G[State Pollution Control Board]
    F & G --> H[

IS 1003 Part 2 — Marking of Shutters: Key Points

• Marking Location: On the exposed edge of a rail.

• Mandatory Marking Details (Clause 14.1):

  • Manufacturer's name or trademark
  • Size type: Modular or Non-Modular
  • Designation:
    • For Modular: Width and height in modules (refer Tables 3 & 4)
    • For Non-Modular: Actual width and height dimensions
  • Appropriate shutter symbols as per Clause 7.2

• Optional Marking:

  • Standard Mark (Clause 14.1.1) — subject to BIS licensing (Clause 14.1.2)
  • Timber group and grade (Clause 5.1.1 d)
  • Timber species and ECO Mark criteria (Clause 5.1.1 e, f)

Tables Reference (Summary)

Example Marking Format:

Manufacturer: ABC Doors
Size: Modular
Designation: 3W x 7H (modules)
Symbol: [as per 7.2]
Standard Mark: BIS License No. XXXXX
Timber Grade: Group A, Grade I
ECO Mark: Certified for sustainable timber

flowchart LR
    A[Shutter Rail Edge] --> B[Mark Manufacturer Name/Trademark]
    B --> C{Size Type}
    C -->|Modular| D[Mark Width & Height in Modules (Tables 3 & 4)]
    C -->|Non-Modular| E[Mark Actual Width & Height]
    D --> F[Mark Shutter Symbol (Clause 7.2)]
    E --> F
    F --> G[Optional: Standard Mark]
    G --> H[Optional: Timber Group & Grade]
    H --> I[Optional: ECO Mark Details]

Summary: Marking ensures traceability, size identification, and quality assurance as per IS 1003 Part 2.

Information to be Supplied by the Purchaser (IS 1003 Part 2: Clause 15.1)

When placing an order for window/ventilator shutters, the purchaser must provide:

• Size and Type of shutter (window/ventilator), timber species, timber group & grade.
• Panel Details and the opening method of the shutter.
• Specify if single or double-leaved, and type of rebate for double-leaved shutters.
• Indicate if the shutters are to be polished or painted.

Key Dimensions & Tolerances (Clause 7.1, Table 2)

Timber Species (Annex B)

• Imported species like Afrormosia, Iroko, Sapelat are suitable after treatment per IS 401:1982.
• Heartwood of species marked * (e.g., Afrormosia, Iroko) generally does not require treatment.
• Treatment ensures durability and preservative penetration of minimum 2 mm in finished products.

Summary Diagram: Information Flow from Purchaser to Manufacturer

flowchart LR
    A[Purchaser] --> B[Specify Size & Type]
    A --> C[Specify Timber Species, Grade]
    A --> D[Panel & Opening Details]
    A --> E[Single/Double Leaved & Rebate Type]
    A --> F[Finish: Polished or Painted]
    B & C & D & E & F --> G[Manufacturer]

For detailed finishing, preservation,