The MacFlash Roof Flashing RS4 is a high-quality aluminium flashing designed to create a watertight seal around 3inch (110 mm) pipe penetrations through roofs. Measuring 18 18, its suitable for both flat and pitched roofs and serves as an efficient, lead-free alternative for sealing flue pipes, soil stacks, or ventilation outlets.
Size: 18 in 18 in base for wide-reaching coverage
Pipe Compatibility: Suitable for 3inch (110 mm) pipe diameter
Material: High-grade aluminium with a synthetic rubber collar for flexibility and waterproofing
Roof Pitch Compatibility: Works on flat roofs and pitched roofs up to 45
Design: Flexible, corrugated base adapts to most roof profiles and eliminates the need for traditional lead slates
Easy Installation: Lightweight material and flexible base simplify fitting compared to lead alternatives
Durable & Weatherproof: Aluminium resists corrosion, while the rubber collar maintains a long-lasting seal
Cost-Efficient: Saves on both material and labour costs vs. lead flashing
Versatile: Flexible design suits a wide range of roof coveringstiles, slates, and shingles
Residential & Commercial Roofs: Great for boiler flues, soil stack penetrations, and vent pipe terminations
New Builds & Renovations: Ideal for lead-free projects and structures requiring dependable roof sealing
Pipe Sizes: Specifically engineered for 3inch pipes in domestic and light commercial settings
The McAlpine MacFlash RS4 Roof Flashing is a modern, user-friendly solution for creating reliable pipe seals through roofing systems. Lightweight yet robust, with a flexible base and high-quality materials, it provides a superior, lead-free option that combines ease of installation with long-term performance.
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