Fixing and buying guide

Who this product is for

This flashing is suitable for roofers, builders and experienced DIY installers undertaking roof work involving penetrations. It is appropriate for new roof installations or replacement of existing flashings around roof-mounted services. You should have competence in roof work and understanding of weatherproofing principles before attempting installation.

Compatibility and sizing

These flashings are designed for use with timber roof structures of grades F16, F24 and F36. The 94 x 140cm dimensions suit standard roof penetrations; you must verify that this size matches your specific chimney, vent or skylight opening before ordering. Confirm the exact dimensions of your roof penetration and the timber grade of your roof structure against your project specification.

• Compatible timber grades: F16, F24, F36
• Flashing dimensions: 94 x 140cm
• Material: Vinyl-coated polyester construction
• Suitable for chimneys, vents, skylights and roofing applications

Pre-installation checks

Before fixing, inspect the flashing for any damage to the vinyl coating or polyester material. Ensure the roof structure is sound and the timber grade matches your specification. Verify that the opening dimensions and roof pitch are compatible with the 94 x 140cm flashing size. Check that you have suitable fixings available; the product description recommends using appropriate fixings for secure installation, though specific fixing types are not detailed here—consult the manufacturer's installation instructions or your supplier for fixing recommendations.

• Check flashing dimensions against your roof penetration size
• Confirm timber grade of your roof structure
• Inspect for damage to vinyl coating before installation
• Ensure roof structure is sound and properly prepared
• Obtain suitable fixings as recommended by the manufacturer

Key performance features

The vinyl-coated polyester construction provides durable, long-lasting protection against water ingress and weather exposure. The robust design is engineered to perform under high wind loads and challenging weather conditions typical of UK roofing environments. This material choice ensures the flashing maintains its seal and protective function throughout its service life without deterioration.

• Vinyl-coated polyester resists weather exposure and UV damage
• Engineered for high wind load performance
• Provides secure seal preventing water ingress
• Durable construction for long-term roof protection