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bituminous compound for water-proofing and caulking purposes

IS 1580:1991 specifies requirements and test methods for bituminous compounds used for waterproofing and caulking in construction and industrial applications. It covers two grades of bituminous materials with different consistencies, suitable for cold application to seal leaks, joints, and crevices in roofs, pipes, steel plates, and precast concrete. This standard is essential for engineers and professionals involved in waterproofing, sealing, and protective coatings to ensure material quality and performance.

12Sections
47Clauses Indexed
AI Search Ready
1991Edition
Waterproofing and Damp-ProofingCategory
Alternative search terms: IS 1580 PDF, IS 1580 pdf free download, IS 1580 free download pdf, IS1580 PDF, IS-1580 PDF, IS 1580 1991 PDF, IS 1580:1991 PDF, IS 1580-1991 PDF, IS 1580 (1991) PDF, IS 1580 1991 edition PDF, IS 1580 edition 1991 PDF

What This Standard Covers

IS 1580:1991 specifies requirements and test methods for bituminous compounds used for waterproofing and caulking in construction and industrial applications. It covers two grades of bituminous materials with different consistencies, suitable for cold application to seal leaks, joints, and crevices in roofs, pipes, steel plates, and precast concrete. This standard is essential for engineers and professionals involved in waterproofing, sealing, and protective coatings to ensure material quality and performance.

Who Uses This Standard

  • Civil Engineers
  • Construction Contractors
  • Waterproofing Specialists
  • Quality Control Inspectors
  • Material Suppliers
  • Maintenance Engineers
  • Industrial Coating Professionals

Key Topics Covered

Grades of bituminous compounds (Grade 1 and Grade 2)
Material composition and additives
Consistency and penetration testing
Water content and ash content limits
Flash point and fire safety requirements
Flexibility and adhesion properties
Flow and setting behavior
Sampling and test methods
Storage and shelf life requirements
Application methods for waterproofing and caulking
Marking and packaging guidelines
Use cases including roofing, pipe joints, and vehicle panel sealing

Table of Contents

1Scope

IS 1580 - Scope & Key Specifications for Bituminous Compounds

Scope (Clause 4.2.2)

Covers Grade 1 and Grade 2 bituminous compounds used for sealing and waterproofing with specific physical and chemical requirements.


Key Specifications (Table 1)

CharacteristicGrade 1Grade 2Test Method Reference
Water content (% mass, max)0.50.5IS 1211:1978
Ash content (% mass, max)4030IS 1217:1978
FlowMust satisfy flow test (Annex A)Must satisfy flow test (Annex A)Annex A
Flash point (°C, min)3535IS 1209:1978
Flexibility & adhesionMust satisfy Annex BMust satisfy Annex BAnnex B
Consistency (Penetration)Annex C
- Before setting (1h) Min100225Annex C
- After setting (24h) Min80200Annex C

Important Test Methods

  • Flow Test (Annex A):

    • Bitumen film on 150×100×0.3 mm steel panel, 3 mm thick.
    • No slip indoors at 27±2°C for 5h; max 6 mm slip at 60±1°C for 5h; plastic and adherent at 0°C for 1h.
  • Flexibility & Adhesion (Annex B):

    • Film bent over 25 mm rod at 27±2°C without cracking or flaking.
  • Consistency (Penetration) (Annex C):

    • Penetration test with 150 g cone for 5 seconds at specified temperature.

Notes

  • Testing temperature for flexibility and adhesion is stringent at 10°C.
  • Rounding off of test results follows IS 2:1960 rules.

flowchart TD
    A[Bituminous Compound]
2References

IS 1580 - Key Specifications & Test Methods for Bituminous Compounds

Table 1: Requirements for Bituminous Compounds (Grades 1 & 2)

CharacteristicGrade 1Grade 2Test Reference
Water content (%) Max0.50.5IS 1211:1978
Ash content (%) Max4030IS 1217:1978
FlowShall satisfyShall satisfyAnnex A
Flash point (°C) Min3535IS 1209:1978
Flexibility & adhesionShall satisfyShall satisfyAnnex B
Consistency (Penetration) Before setting (1h) Min100225Annex C
Consistency After setting (24h) Min80200Annex C

Annex A: Flow Test Summary

  • Apply 3 mm thick bitumen film on 150×100×0.3 mm steel panel.
  • At 27±2°C (5h vertical): No slip.
  • At 60±1°C (5h vertical): Slip ≤ 6 mm.
  • After cold treatment (0°C, 1h): Film remains plastic and adherent.

Annex B: Flexibility & Adhesion Test

  • Using the same specimen from Annex A.
  • Bend film over 25 mm diameter rod at 27±2°C.
  • No cracking or flaking allowed.

Annex C: Consistency Test (Penetration)

  • Penetration measured by standard penetrometer with 150 g cone.
  • Penetration time: 5 seconds.
  • Cone dimensions and mass per Fig.1 & Fig.2 (IS 1580).

Additional Notes:

  • Rounding off values per IS 2:1960.
  • Definitions per IS 334:1982 and IS 4911:1986.

flowchart TD
    A[Prepare test film on steel panel] --> B{Test at 27±2°C for 5h}
    B -->|No slip| C[Test at 60±
3Definitions

IS 1580: Definitions & Key Specifications Summary

  • Definitions: As per IS 334:1982 and IS 4911:1986 for bituminous materials and waterproofing terms.

Key Table: Requirements for Bituminous Compounds (Clause 4.2.2)

CharacteristicGrade 1Grade 2Test Method Ref.
Water content (% max)0.50.5IS 1211:1978
Ash content (% max)4030IS 1217:1978
FlowShall satisfyShall satisfyAnnex A
Flash point (°C min)3535IS 1209:1978
Flexibility & adhesionShall satisfyShall satisfyAnnex B
Consistency (Penetration)Before setting: 100225Annex C
After setting: 80200

Annex A: Flow Test Highlights

  • Film thickness: 3 mm on 150×100×0.3 mm steel panel.
  • No slip at 27±2°C for 5 h vertical.
  • Max slip 6 mm at 60±1°C for 5 h.
  • Film remains plastic and adherent after 0°C for 1 h.

Annex B: Flexibility & Adhesion Test

  • Film bent over 25 mm diameter rod at 27±2°C.
  • No cracking or flaking allowed.

Annex C: Consistency Test (Penetration)

  • Penetration measured by standard cone under 150 g load for 5 s.
  • Penetrometer and cone per IS 1580 Fig.1 & Fig.2.

flowchart TD
    A[Bituminous Compound] --> B{Tests}
    B --> C[Water & Ash Content]
    B --> D[Flow Test]
    B --> E[Flexibility & Adhesion]
    B --> F[Consistency (Penetration)]
    D --> D1[No slip at 27°C]
    D --> D2[Max 6 mm slip at
4Material Grades and Composition

IS 1580 - Material Grades & Composition for Bituminous Compounds

Grades:

  • Grade 1: Semistiff, smooth, homogeneous paste; applied by hand, trowel, spatula, or gun.
  • Grade 2: Light consistency, homogeneous paste; applied by putty knife.

Key Specifications (Table 1):

CharacteristicGrade 1 (Max/Min)Grade 2 (Max/Min)Test Method Ref.
Water content (% by mass)0.5 (Max)0.5 (Max)IS 1211:1978
Ash content (% by mass)40 (Max)30 (Max)IS 1217:1978
Flash point (°C)35 (Min)35 (Min)IS 1209:1978
Consistency (Penetration)Annex C
- Before setting (1 hr)100 (Min)225 (Min)
- After setting (24 hr)80 (Min)200 (Min)
FlowShall satisfy req.Shall satisfy req.Annex A
Flexibility & adhesionShall satisfy req.Shall satisfy req.Annex B

Important Test Summaries:

  • Flow Test (Annex A):
    Film (3 mm thick on steel panel) must not slip vertically at 27±2°C (5h) and slip ≤6 mm at 60±1°C (5h). Film remains plastic and adherent after 0°C for 1 hour.

  • Flexibility & Adhesion (Annex B):
    Film must not crack or flake when bent over 25 mm diameter rod at 27±2°C after flow test treatments.

  • Consistency (Penetration) Test (Annex C):
    Penetration measured by standard penetrometer with 150 g cone applied for 5 seconds.


Summary Diagram: Material Grade & Key Tests

flowchart TD
    A[Bituminous
5Requirements

IS 1580: Clause 4.2.2 — Key Requirements for Bituminous Compounds

CharacteristicGrade 1Grade 2Test Method Reference
Water content (% by mass)Max 0.5Max 0.5IS 1211 : 1978
Ash content (% by mass)Max 40Max 30IS 1217 : 1978
FlowMust satisfy Annex A (Flow Test)Must satisfy Annex AAnnex A
Flash point (°C)Min 35Min 35IS 1209 : 1978
Flexibility & adhesionMust satisfy Annex BMust satisfy Annex BAnnex B
Consistency (Penetration in 0.1 mm units)Annex C
- Before setting (1 h) Min100225Annex C
- After setting (24 h) Min80200Annex C

Annex Highlights:

  • Annex A (Flow Test):

    • Bitumen film (3 mm thick) on 150×100×0.3 mm steel panel.
    • No slip at 27±2°C for 5 hrs vertically.
    • Max slip 6 mm at 60±1°C for 5 hrs.
    • Film remains plastic and adherent after 1 hr at 0°C.
  • Annex B (Flexibility & Adhesion):

    • Film bent over 25 mm diameter rod at 27±2°C.
    • No cracking or flaking allowed.
  • Annex C (Consistency Test):

    • Penetration measured by standard penetrometer with 150 g cone load for 5 s.
    • Cone mass: 150 ± 0.1 g.

Notes:

  • Final test values shall be rounded per IS 2:1960.
  • Refer to IS 1211, IS 1217, IS 1209 for detailed test procedures.
flowchart TD
    A[Prepare Bitumen Film] --> B[Flow
6Sampling

IS 1580 Sampling & Testing Key Points

Sampling

  • Test specimen mass: Minimum 0.5 kg of material.
  • Samples must represent the batch for valid testing.

Rounding Off Results

  • Follow IS 2:1960 for rounding.
  • Retain the same number of significant figures as specified in the standard.

Key Tests & Specifications (from IS 1580 & related)

CharacteristicRequirementTest Method Reference
Water contentMax 0.5% by massIS 1211:1978
Ash contentMax 40% (Grade 1), 30% (Grade 2)IS 1217:1978
Flash pointMin 35°CIS 1209:1978
Flow testNo slip at 27±2°C (5h); slip ≤ 6 mm at 60±1°C (5h)Annex A (IS 1580)
Flexibility & adhesionNo cracking/flaing on bending over 25 mm rodAnnex B (IS 1580)
Consistency (Penetration)Penetration by cone under 150g load for 5sAnnex C (IS 1580)

Penetration Test (Consistency) - Annex C

  • Penetrometer cone mass: 150 ± 0.1 g.
  • Penetration depth: Measured to nearest 0.1 mm.
  • Load: 150 g applied for 5 seconds.
  • Specimen thickness: 3 mm film on steel panel.

Flow Test Procedure (Annex A)

  • Prepare a 3 mm thick film on 150×100 mm panel.
  • Check slip after 5 h at 27 ± 2°C (no slip).
  • Check slip after 5 h at 60 ± 1°C (≤ 6 mm slip).
  • Film remains plastic and adherent after 1 h at 0°C.

Flexibility & Adhesion Test (Annex B)

  • Use the same specimen as flow test.
  • Bend film over 25 mm diameter rod at 27 ± 2°C.
  • No cracking or flaking allowed.

7Test Methods

IS 1580 Test Methods Summary for Bituminous Compounds

CharacteristicGrade 1Grade 2Test Method Reference
Water content (%) max0.50.5IS 1211 : 1978
Ash content (%) max4030IS 1217 : 1978
FlowSatisfy requirementSatisfy requirementAnnex A (Flow Test)
Flash point (°C) min3535IS 1209 : 1978
Flexibility & adhesionSatisfy requirementSatisfy requirementAnnex B (Flexibility & Adhesion Test)
Consistency (Penetration)Annex C (Consistency Test)
- Before setting (1 h)100225
- After setting (24 h)80200

Key Test Methods

Annex A: Flow Test

  • Film on 150×100×0.3 mm steel panel, 3 mm thick.
  • No slip vertically at 27±2°C for 5 h.
  • Max slip 6 mm at 60±1°C for 5 h.
  • Film remains plastic & adherent after 1 h at 0°C.

Annex B: Flexibility and Adhesion Test

  • Use same specimen from Annex A.
  • Bend film over 25 mm diameter rod at 27±2°C.
  • No cracking or flaking allowed.

Annex C: Consistency Test (Penetration)

  • Penetration measured by standard penetrometer with 150 g cone for 5 s.
  • Cone dimensions per Fig. 2; mass 150±0.1 g.
  • At least 0.5 kg sample.
  • Average 3 readings at 120° apart if penetration < 200.

Penetration Test Setup (Annex C)

graph LR
A[Penetrometer] --> B[Standard Cone (150 g)]
B --> C[Sample Surface]
A --> D[Adjustable Horizontal Table]
A --> E[Release & Clamp Mechanism]

**Note

8Marking and Packaging

IS 1580: Marking and Packaging Key Points

Marking (Clause 8.1 & 8.2)

Containers shall be marked with:

  • Source of manufacture
  • Name of material
  • Grade of material
  • Date of manufacture

Optionally, containers may carry the Standard Mark (Clause 8.2).


Packaging (Clause 4.3)

  • Material must be stored in sealed containers.
  • Keep in a dry place under cover at normal temperature.
  • Material retains properties for minimum 6 months from manufacture date.
  • Packing details agreed between manufacturer and purchaser.

Key Table: Requirements for Bituminous Compounds (Clause 4.2.2)

CharacteristicGrade 1Grade 2Test Method Reference
Water content, % max0.50.5IS 1211 : 1978
Ash content, % max4030IS 1217 : 1978
FlowShall satisfy requirementShall satisfy requirementAnnex A (Flow Test)
Flash point, °C min3535IS 1209 : 1978
Flexibility and adhesionShall satisfy requirementShall satisfy requirementAnnex B (Flexibility Test)
Consistency (Penetration)a) Before setting (1h): 100225Annex C (Consistency Test)
b) After setting (24h): 80200

Annex Highlights

  • Annex A (Flow Test): Film on steel panel (150×100×0.3 mm, 3 mm thick) should not slip vertically at 27±2°C for 5h; max slip 6 mm at 60±1°C for 5h; remain plastic and adherent at 0°C for 1h.

  • Annex B (Flexibility & Adhesion): Film must not crack or flake when bent over 25 mm diameter rod at 27±2°C after flow test treatments.

  • Annex C (Consistency Test): Penetration measured by standard pen

9Storage and Keeping Quality

IS 1580: Storage and Keeping Quality of Bituminous Compounds

Key Specifications (Clause 4.3 & Table 1)

  • Storage: Material in original sealed container, dry place, normal temp.
  • Shelf Life: Minimum 6 months retaining specified properties.
  • Sampling: As per IS 1201:1978.
  • Packing: As agreed between manufacturer and purchaser.

Consistency Test (Annex C)

  • Sample temp: 27 ± 2°C.
  • Procedure: Fill penetration cup, remove air, immerse in water bath at 27 ± 2°C for 1 hour.
  • Penetration test: Use 150 ± 0.1 g cone; penetration after 5 s is recorded in tenths of mm.
  • Consistency Requirements:
GradeBefore Setting (1h) MinAfter Setting (24h) Min
110080
2225200

Additional Tests (Annex A & B)

  • Flow Test: No slip on vertical panel at 27 ± 2°C for 5 h; max 6 mm slip at 60 ± 1°C in oven.
  • Flexibility & Adhesion: No cracking or flaking when bent over 25 mm rod at 27 ± 2°C.

Penetrometer Cone Details (Annex C)

  • Mass: 150 ± 0.1 g.
  • Material: Brass or corrosion-resistant steel with hardened steel tip.
  • Load duration: 5 seconds.
flowchart LR
    A[Sample Preparation] --> B[Fill Penetration Cup]
    B --> C[Remove Air Pockets]
    C --> D[Immerse in Water Bath 27±2°C, 1h]
    D --> E[Place on Penetrometer Table]
    E --> F[Lower 150g Cone for 5s]
    F --> G[Read Penetration (tenths of mm)]

Summary: Store sealed in dry, normal temp conditions; test consistency via penetration after 1h and 24h at 27±2°C; ensure flow, flexibility, adhesion per Annexes; shelf life minimum 6 months.

Annex AFlow Test

IS 1580: Flow Test for Bituminous Compounds (Annex A)

Test Specimen:

  • Bitumen film on mild steel panel: 150 mm × 100 mm × 0.3 mm
  • Thickness of film: 3 mm

Test Conditions & Requirements:

ConditionTemperatureDurationRequirement
Indoor vertical27 ± 2°C5 hoursNo slip of film
Air-dry oven vertical60 ± 1°C5 hoursSlip ≤ 6 mm
Cold treatment0°C1 hourFilm remains plastic and firmly adherent

Summary of Flow Test Procedure:

  1. Prepare test film on steel panel.
  2. Keep panel vertical indoors at 27 ± 2°C for 5 hours — no slip allowed.
  3. Keep panel vertical in oven at 60 ± 1°C for 5 hours — max slip 6 mm.
  4. Cool panel at 0°C for 1 hour — film must remain plastic and adherent.

Key Points:

  • Ensures bituminous compound's adhesion and plasticity under temperature variations.
  • Critical for durability and performance in waterproofing applications.

flowchart TD
    A[Prepare bitumen film on steel panel] --> B[Keep vertical at 27±2°C for 5h]
    B -->|No slip| C[Keep vertical at 60±1°C for 5h]
    C -->|Slip ≤ 6 mm| D[Cool at 0°C for 1h]
    D -->|Film plastic & adherent| E[Test Passed]

For detailed flexibility, adhesion, and consistency tests, refer to Annex B and Annex C of IS 1580.

Annex BFlexibility and Adhesion Test

IS 1580: Flexibility and Adhesion Test Summary

Key Specifications (Table 1, Clause 4.2.2)

CharacteristicGrade 1Grade 2Method Reference
Flexibility and AdhesionShall satisfy requirementShall satisfy requirement¹Annex B

¹ Test temperature: 10°C (stringent)


Flexibility and Adhesion Test (Annex B)

  • Test Specimen: Use the same film prepared for flow tests (Annex A), applied on a 150 mm × 100 mm × 0.3 mm mild steel panel, thickness 3 mm.
  • Procedure:
    • After treatments at 27±2°C, 60±1°C, and 0°C (Annex A), bend the panel double over a 25 mm diameter rod with the film on the outside.
    • Acceptance: No cracking or flaking of the film.

Flow Test (Annex A) - Precursor to Flexibility Test

  • Film must not slip when vertical at 27±2°C for 5h.
  • Slip ≤ 6 mm at 60±1°C for 5h.
  • Film remains plastic and adherent after 0°C for 1h.

Consistency Test (Annex C)

  • Penetration test using a 150 g cone for 5 seconds.
  • Penetration depth measured to 0.1 mm accuracy.
  • Average of 3 readings at 120° apart if penetration < 200.

Summary Diagram

flowchart TD
    A[Prepare Film on Steel Panel] --> B[Flow Test at 27°C & 60°C]
    B --> C[Cold Treatment at 0°C for 1h]
    C --> D[Bend Film over 25mm Rod at 27°C]
    D --> E{Film Cracks or Flakes?}
    E -- No --> F[Pass Flexibility & Adhesion Test]
    E -- Yes --> G[Fail Test]

This test ensures the bituminous compound's durability and adhesion under thermal and mechanical stresses per IS 1580.

Annex CConsistency Test

IS 1580 Consistency Test Key Points & Specifications

Test Principle:

  • Measures penetration of a standard cone into bituminous material under a 150 g load for 5 seconds at 27±2°C.
  • Penetration value (consistency) expressed in tenths of mm.

Procedure Summary (Clauses 5.1 & 5.2):

  • Fill penetration cup with specimen, remove air pockets.
  • Immerse cup in water bath at 27±2°C for 1 hour (or 24 hours for aged sample).
  • Place cone tip on surface, release, allow penetration for 5 s.
  • Record penetration depth on dial.

Important Specifications (Annex C & Table 1):

ParameterGrade 1 (Min)Grade 2 (Min)Notes
Consistency before setting (1h)100225Penetration in tenths of mm
Consistency after setting (24h)80200
Cone weight150 ± 0.1 gBrass cone with hardened tip
Test temperature27 ± 2°C
Penetration time5 seconds

Additional Notes on Readings (Clause 5.3):

  • If consistency < 200, average 3 readings at 120° apart on same specimen.
  • If > 200, test separate containers.

Cone Dimensions & Mass (Fig. 2 Summary):

  • Conical brass body with hardened steel tip.
  • Total moving mass: 150 ± 0.1 g.

flowchart TD
    A[Prepare Specimen] --> B[Fill Penetration Cup]
    B --> C[Remove Air Pockets]
    C --> D[Immerse in Water Bath (27±2°C)]
    D --> E[Wait 1 hour or 24 hours]
    E --> F[Place Cone on Specimen Surface]
    F --> G[Release Cone for 5 seconds]
    G --> H[Read Penetration Depth]
    H --> I{Consistency < 200?}
    I -- Yes --> J[Take 3 readings at 120° apart and average]
    I

Popular Questions About IS 1580

?What are the differences between Grade 1 and Grade 2 bituminous compounds?

Differences between Grade 1 and Grade 2 Bituminous Compounds (IS 1580):

AspectGrade 1Grade 2
Consistency & ApplicationSemistiff, smooth, homogeneous paste; applied by hand, trowel, spatula, or gunLight consistency, homogeneous paste; applied by putty knife
Water Content (max % by mass)0.50.5
Ash Content (max % by mass)4030
Flash Point (min °C)3535
Consistency (Penetration in dmm)Before setting (1 h): ≥ 100; After setting (24 h): ≥ 80Before setting (1 h): ≥ 225; After setting (24 h): ≥ 200
Flow, Flexibility & AdhesionMust satisfy standard tests (Annex A & B)Must satisfy standard tests (Annex A & B)

Key Notes:

  • Grade 1 is stiffer and suitable for thicker, more robust applications.
  • Grade 2 is softer, easier to spread, ideal for fine finishing.
  • Both grades must pass flow, adhesion, and flexibility tests ensuring durability.
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This helps select the proper grade based on application method and consistency needed.

?What tests are specified to determine the consistency of the bituminous compound?

According to IS 1580, the consistency of the bituminous compound is determined by the Penetration Test as described in Annex C:

Consistency Test (Annex C)

  • Method: Use a standard penetrometer with a 150 g cone applied on the specimen for 5 seconds.
  • Temperature: Test is conducted at 10°C.
  • Penetrometer Cone: Brass or corrosion-resistant steel cone with a hardened steel tip, total mass 150 ± 0.1 g.
  • Measurement: Depth of penetration (in tenths of a millimeter) indicates consistency.
  • Timing:
    • Before setting: Test after 1 hour (minimum penetration required: Grade 1 = 100, Grade 2 = 225)
    • After setting: Test after 24 hours (minimum penetration required: Grade 1 = 80, Grade 2 = 200)

Additional Notes:

  • For consistency < 200, average 3 readings at 120° apart on the same specimen.
  • For consistency > 200, use separate containers for each test.
Loading diagram...

This test ensures the bituminous compound meets the required consistency for its intended waterproofing and sealing applications.

?What are the maximum allowable water and ash content in the compound?

According to IS 1580, Clause 4.2.2, Table 1 for Bituminous Compounds:

CharacteristicGrade 1 (Max %)Grade 2 (Max %)Test Method
Water content0.5%0.5%IS 1211 : 1978
Ash content40%30%IS 1217 : 1978
  • Both grades have a maximum allowable water content of 0.5% by mass.
  • Maximum ash content allowed is 40% for Grade 1 and 30% for Grade 2 by mass.

These limits ensure the compound's quality and performance in various applications such as roofing and sealing.


Summary:

  • Water content ≤ 0.5%
  • Ash content ≤ 40% (Grade 1), ≤ 30% (Grade 2)

This is critical for maintaining adhesion, flexibility, and durability of bituminous compounds.

?How should the bituminous compound be stored to maintain its properties?

According to IS 1580 Clause 4.3, to maintain the bituminous compound's properties:

  • Storage Conditions:

    • Keep the compound under cover in a dry place.
    • Store in the original sealed container.
    • Maintain normal temperature (avoid extreme heat or cold).
  • Shelf Life:

    • The material shall retain specified properties for at least 6 months from the manufacture date.
  • Sampling & Testing:

    • Samples should be drawn as per IS 1201:1978.
    • Testing methods are specified in Table 1, Column 5 of IS 1580.

Summary:

Store bituminous compounds dry, sealed, at ambient temperature to ensure quality for 6+ months.

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?For which applications is this bituminous compound suitable as a waterproofing or caulking agent?

IS 1580 Bituminous Compound Applications

This bituminous compound, suitable for cold application, is used extensively for:

  • Waterproofing porous masonry (roofs, walls, floors) to stop leaks.
  • Sealing bolt heads and overlapping joints in GI and asbestos roofing sheets.
  • Caulking joints in:
    • Drainpipes (asbestos, cast iron)
    • Vertical joints between steel plates and folded sections
    • Wood joints
    • Precast concrete cladding blocks
    • Plate joints of railway wagons and buses
  • Adhesive for fixing polyethylene rainguards on rubber trees (with some modification).

Key features:

  • Effective as a sealant and waterproofing agent.
  • Applied cold, easy to use without heating.
  • Available in two grades based on consistency (as per latest revisions).
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This compound is versatile for sealing and waterproofing in construction and industrial applications.

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