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GB/T 18242-2025 Active National standards

GB/T 18242-2025 Styrene butadiene styrene/Atactic polypropylene modified bituminous waterproofing sheets

GB/T 18242-2025 Styrene butadiene styrene/Atactic polypropylene modified bituminous waterproofing sheets

Publish Date: 2025-10-31 Implement Date: 2026-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us
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Basic Information

Standard Code: GB/T 18242-2025
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Roofing and paving waterproofing and moistureproof materials
ICS Name: Waterproof
Publish Date: 2025-10-31
Implement Date: 2026-05-01
Pages: 20 pages

Scope

This document specifies the classification, specifications, and marking of elastomer-modified bituminous waterproofing membranes (referred to as "SBS waterproofing membranes") and plastic-modified bituminous waterproofing membranes (referred to as "APP waterproofing membranes"), as well as their raw materials, requirements, testing methods, inspection rules, and marking, packaging, storage, and transportation. This document applies to SBS waterproofing membranes made with petroleum bitumen as the main raw material, styrene-butadiene-styrene (SBS) thermoplastic elastomer as the modifier, and polyester felt or fiberglass felt as the base fabric, with isolation materials applied on both sides; and to APP waterproofing membranes made with petroleum bitumen as the main raw material, atactic polypropylene (APP) or polyolefin polymers (APAO, APO) as the modifier, and polyester felt or fiberglass felt as the base fabric, with isolation materials applied on both sides.

Development Information

Word Count: 25 Thousand words Pages: 20 pages

Replace the following standards

GB 18242-2008 Styrene butadiene styrene(SBS) modified bituminous sheet materials GB 18243-2008 Atactic polypropylene(APP) modified bituminous sheet materials

Referenced Standards

GB/T 328.2-1989 Test methods for asphalt waterproof roll roofing—Saturated and coated bitumen amount of asphalt GB/T 328.2-2007 Test methods for building sheets for waterproofing—Part 2:Bitumen sheets for waterproofing-visible defects GB/T 328.4-1989 Test methods for asphalt waterproof roll roofing—Water absorption of asphalt GB/T 328.4-2007 Test methods for building sheets for waterproofing—Part 4:Bitumen sheets for waterproofing-thickness and mass per unit area GB/T 328.6-1989 Test methods for asphalt waterproof roll roofing—Tensile strength of asphalt GB/T 328.6-2007 Test methods for building sheets for waterproofing—Part 6:Bitumen sheets for waterproofing-length, width and straightness GB/T 328.8-2007 Test methods for building sheets for waterproofing—Part 8:Bitumen sheets for waterproofing-tensile properties GB/T 328.10-2007 Test methods for building sheets for waterproofing—Part 10:Bitumen,plastic and rubber sheets for waterproofing-watertightness GB/T 328.11-2007 Test methods for building sheets for waterproofing—Part 11:Bitumen sheets for waterproofing-flow resistance at elevated temperature GB/T 328.14-2007 Test methods for building sheets for waterproofing—Part 14:Bitumen sheets for waterproofing-flexibility at low temperature GB/T 328.17-2007 Test methods for building sheets for waterproofing—Part 17:Bitumen sheets for waterproofing-adhesion of granules GB/T 328.26-2007 Test methods for building sheets for waterproofing—Part 26:Bitumen sheets for waterproofing-dissoulble composite of membrane(impregnated and coated asphalt amount) GB 8624-1997 Classification on burning behaviors for building materials GB 8624-2006 Classification for burning behavior of building materials and products GB 8624-2012 Classification for burning behavior of building materials and products GB/T 18378-2001 Terms for waterproof bitumen and waterproof sheet GB/T 18378-2008 Terminology for waterproof bitumen and waterproof sheet GB/T 26510-2011 Plastic modified bitumen for waterproof GB/T 26528-2011 Styrene butadiene styrene(SBS) modified bitumen for waterproof GB 45320-2025 Safety and general technical specifications for construction waterproof sheets GB 8624-2025 Classification for burning behavior of building materials and products

Related Standards

GB/T 18244-2000 Replaced

GB/T 18244-2000 Test methods for resistance to weathering of building water proofing materials

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GB/T 19889.7-2005 Replaced

GB/T 19889.7-2005 Acoustics—Measurement of sound insulation in buildings and of building elements—Part 7:Field measurements of impact sound insulation of floors

Publish Date: 2005-07-29
GB/T 19889.1-2005 Replaced

GB/T 19889.1-2005 Acoustics—Measurement of sound insulation in buildings and of building elements—Part 1:Requirements for laboratory test facilities with suppressed flanking transmission

Publish Date: 2005-09-09
GB/T 19889.2-2005 Abolished

GB/T 19889.2-2005 Acoustics—Measurement of sound insulation in buildings and of building elements—Part 2:Determination,verification and application of precision data

Publish Date: 2005-09-09
GB/T 19889.3-2005 Replaced

GB/T 19889.3-2005 Acoustics—Measurement of sound insulation in buildings and of building elements—Part 3:Laboratory measurements of airborne sound insulation of building elements

Publish Date: 2005-09-09
GB/T 19889.4-2005 Replaced

GB/T 19889.4-2005 Acoustics—Measurement of sound insulation in buildings and of building elements—Part 4:Field measurements of airborne sound insulation between rooms

Publish Date: 2005-09-09
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