The Polyflex MS Detail Membrane is a single-component, medium-viscosity waterproofing product designed for use in precision detailing applications such as upstands, joints, outlets, and penetrations. Developed with advanced MS Polymer hybrid technology, it delivers a tough, flexible, and seamless barrier that ensures watertight protection in even the most complex roof areas.
This solvent- and isocyanate-free formulation provides exceptional adhesion and flexibility, making it suitable for both horizontal and vertical surfaces. Capable of bridging cracks up to 5 mm, it forms a fully elastomeric, UV-stable finish that resists weathering and movement for years of reliable performance.
Key Features & Benefits
- MS Polymer hybrid technology for advanced detailing performance
- Single-component and ready to use – no mixing required
- Medium viscosity – ideal for precision detailing and vertical applications
- Bridges cracks up to 5 mm
- Excellent adhesion to damp or porous surfaces
- Solvent-free and isocyanate-free – safe and low-odour
- UV-stable, seamless finish
- Provides long-term flexibility and protection in critical roof details
Technical Summary
- Technology: MS Polymer Hybrid
- Viscosity: Medium
- Crack Bridging: Up to 5 mm
- Composition: 100% Elastomeric
- VOC Content: Solvent-free
- Application: Brush, roller, or trowel
- Coverage Rate: 7 kg tin = approx. 2.5 m² (at 2 mm dry film thickness)
- Suitable Substrates: Concrete, timber, metal, bitumen, and existing membranes
Recommended Applications
- Roof penetrations and outlets
- Upstands, joints, and edge terminations
- Gutters, seams, and patch repairs
- Complex detailing on flat and pitched roofs
- Parapet junctions and flashing interfaces
Roofer's No.1 Polyflex MS Detail Membrane 7kg
- Brand: Roofers No.1
- Product Code: 43RN1MSDT
- Availability: In Stock
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£74.00
All Prices are exclusive of VAT
Tags: 43RN1MSDT