mason's tools for plaster work and pointing work

IS 1630 - Scope: Key Specifications & Tables

The code covers tools and materials used in plastering and finishing works, focusing on dimensions, materials, and construction details.

1. Mortar Pan Sizes (Clause 5.2, Table 1)

2. Tool Steel Composition (Clause 3.1)

3. Mason's Trowel Dimensions (Clause 1.6)

• A: 100–150 mm (small), 150–300 mm (large)
• B: 0.4A to 0.6A (0.25A to 0.4A for stop, tuck, cross joint trowels)
• C: 0.65A to 0.8A (higher ratio for finishing trowels)

Notes:

• All dimensions in

IS 1630 Key Materials Specifications

1. Tool Steel Composition (Clause 3.1)

2. Mild Steel (Clause 3.2)

• Sheets: Grade 0 as per IS 1079-1973
• Rods: As per IS 7887-1975

3. Mortar Pan Sizes (Clause 5.2)

4. Units & Symbols (SI Units)

• 1 N = 1 kg·m/s²
• 1 Pa = 1 N/m²

IS 1630 - Tools for Preparation of Background: Key Specs & Tables

1. Mortar Pans (Clause 5.2, Table 1)

2. Masons Trowel Dimensions (Clause 1.6)

• A = 100 to 150 mm (small trowels), 150 to 300 mm (large trowels)
• B = 0.4 A to 0.6 A (0.25 A to 0.4 A for stop, tuck, cross joint trowels)
• C = 0.65 A to 0.8 A (higher for finishing trowels)

3. Plumbing & Setting Tools

• Plumb Bob: Brass as per IS 3488-1980.
• Hacking Tool: Mild steel head, tool steel chisel/point edge, timber handle (oval/circular cross-section).

IS 1630 – Tools for Mixing & Application of Mortar

1. Trowel (Clause 5.1 & Fig. 6)

• Blade: Tool steel, connected by mild/tool steel tang to wooden handle.
• Handle: Wooden with mild steel ferrule at tang end.
• Dimensions:

• Use:
  • Large: Gauging, dashing plaster
  • Small: Fine finishing, margins, angles

2. Mortar Pan (Clause 5.2, Table 1 & Fig. 7)

• Material: Mild steel, seamless, folded edges for tear resistance.

Summary Diagram: Trowel Dimensions

IS 1630 - Tools for Plumbing, Levelling & Setting Out Screeds

1. Mortar Pans (Clause 5.2, Table 1)

2. Mason’s Trowel Dimensions (Clause 1.6)

• A (length): 100–150 mm (small), 150–300 mm (large)
• B (width): 0.4A to 0.6A (general), 0.25A to 0.4A (stop/tuck/cross joint trowels)
• C (height): 0.65A to 0.8A (higher for finishing trowels)

3. Spirit Levels (Clause 6.3)

• Must conform to IS 5706-1970 for accuracy and reliability.

4. Other Tools

• Plumb bobs: Metallic weight, depth 30–50 mm, suspended

IS 1630: Pointing Tools - Key Specifications & Tables

1. Mortar Pans (Clause 5.2, Table 1)

2. Additional Specifications

• Material: Mild steel plate, 3 to 4 mm thick for some tools.
• Edges: May be graduated; edges to just touch the face.
• Guide Block: Cube with central hole for cord/wire.
• Plumb Bob: Metallic weight, diameter 30 to 50 mm (Fig. 8).
• Spirit Levels: Conform to IS 5706-1970 (Clause 6.3).

Summary Diagram of Mortar Pan Shape

graph TD
A[Mortar Pan] --> B[115 mm radius sides]
A --> C[Flat bottom (for sizes i, ii)]
A --> D[Arc of circle (for sizes iii to vi)]
A --> E[Beaded edge with/without 6 mm wire]

IS 1630: Tools for Scouring, Floating, or Finishing of Plaster

Key Specifications & Dimensions

Mortar Pans (Clause 5.2, Table 1)

Mason's Trowel Dimensions (Clause 1.6)

• A (Length): 100–150 mm (small), 150–300 mm (large)
• B (Width): 0.4 A to 0.6 A; for stop/tuck/cross joint trowels: 0.25 A to 0.4 A
• C (Height): 0.65 A to 0.8 A (larger ratio for finishing trowels)

Additional Tools

• Naylas (Clause 7.1): Hook-shaped rods for pointing stone masonry; small (vertical joints), medium, and large (horizontal joints).
• Guide block: Cube with central hole for cord/wire; edges

IS 1630: Quality Requirements and Finishing - Key Points

1. Tools & Materials Quality (Clause 9.1)

• Metal tools must be free from seams, flaws, scales, pits, cracks.
• Plumb bob casting: No sand holes, blow holes, scabs.
• Trowel blade: Flat, smooth working surface.
• Hacking tools: Edges ground properly, finished bright.
• Brass for plumb bob must conform to IS 3488-1980.

2. Mortar Pan Sizes (Clause 5.2, Table 1)

3. Finishing & Measurement

• Final values from measurements/tests are rounded as per IS 2-1960.
• Tools like guide blocks, plumb bobs, mason’s square, spirit levels must meet precision and finish standards.

Summary Diagram: Mortar Pan Shape Types

flowchart LR
    A[Mortar Pan Shapes] --> B[Radius Sides + Flat Bottom]
    A --> C[Arc of Circle]
    B --> i(Size 525, 465)
    C --> ii(Size 400, 365, 315, 265)

**Use

IS 1630 - Marking of Mason's Tools

Key Specifications (Clause 10.1 & 10.1.1)

• Marking:
  • Tools must be legibly and indelibly marked with the manufacturer's initials or recognized trade-mark.
  • Tools may also bear the ISI Certification Mark indicating compliance with Indian Standards and quality control by ISI.

ISI Certification Mark

• Signifies production under a well-defined system of inspection, testing, and quality control.
• Continuous conformity checks by ISI.
• Governed by Indian Standards Institution (Certification Marks) Act.

Units & Symbols (SI Units)

Summary Table for Marking Requirements

Visual Summary (Mermaid.js)

graph TD
A[Tool] --> B[Manufacturer's Mark]
A --> C[ISI Certification Mark (optional)]
B --> D[Initials or Trade-mark]
C --> E[Quality Assurance]
E --> F[Inspection & Testing]

Note: For detailed dimensions and construction of tools, refer to Clause 5.2 and Table 1 in IS 1630.