Self-adhesive Butyl Waterproofing Sheet
Self-adhesive waterproof sheet for building exterior walls, rooftops, and underground structures. Provides a continuous moisture barrier with exceptional peel strength and durability.
Key Specifications
| Width | 1,000mm ~ (Custom) |
| Thickness | 1mm ~ 2mm |
| Peel Strength | ≥ 10 N/25mm |
| Operating Temp | -40°C to +120°C |
| Roll Length | 10m / 20m |
Product Overview
Garmy Butyl Sheet is a large-format self-adhesive waterproofing membrane designed for broad-area coverage in construction applications. Its dual-layer structure combines a butyl rubber adhesive layer with a protective backing for enhanced mechanical strength. Ideal for rooftop waterproofing, below-grade moisture barriers, and exterior wall vapor control.
Key Features
- ✓Self-adhesive butyl adhesive layer + functional HDPE film
- ✓Full-surface adhesion without mechanical fasteners
- ✓Cold-applied — no torch or heat required
- ✓Excellent elongation for crack-bridging capability
- ✓Resistant to root penetration for green roof applications
- ✓UV-stabilized top surface option available
- ✓Compatible with concrete, metal, and wood substrates
- ✓KS F 4935 compliant
Technical Specifications
All specifications tested per ASTM / KS standards. Custom formulations available upon request.
| Application | Specific Gravity | Heat Resistance | Cold Resistance |
|---|---|---|---|
| Building structures (rooftops, underground parking, upper slabs) / Civil structures (underpasses, subways, utility tunnels) / Other structures requiring waterproofing (metal, wood, panel) | 1.40 – 1.65 | 120°C | -40°C |
Applicable Standards
Relevant test methods and compliance standards by region.
| Region | Standards |
|---|---|
| US |
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| AU / NZ |
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| EU |
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| UK |
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| Japan |
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Industry Applications
Self-adhesive Butyl Waterproofing Sheet is trusted across major industries for its versatility and reliable performance.
Construction
Full-surface waterproofing membrane for rooftops, basements, and building envelopes.
- •Flat roof waterproofing
- •Below-grade foundation walls
- •Exterior wall moisture barrier
- •Green roof base layer
- •Tunnel lining waterproofing
Quality Certifications
All Garmy products are manufactured under internationally recognized quality management systems.
Related Technical Content
Learn more about this product through our technical articles and guides.
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Butyl Tape for Wind Turbine Nacelle and Tower Sealing
An application guide to sealing wind turbines with butyl tape. Covers nacelle cover joints, tower flange interfaces, and blade root fasteners; the offshore duty cycle of salt spray, UV, and daily thermal cycling; and how to specify a bead that still seals after twenty years and multiple maintenance re-openings.
Condensation Control in the Building Envelope: A Butyl Tape Application Guide
Most envelope condensation problems are air leakage problems, not insulation problems. This guide explains dew point and interstitial condensation, how the air barrier and vapour control layer differ, where butyl sealing tape belongs in the assembly, and the installation principles that decide whether a taped detail lasts twenty years or two.
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