Roof Window Flashings | Window Flashings | Roof Flashings

Roof window flashings are essential components in roofing construction, ensuring a watertight seal around roof windows. They play a crucial role in preventing water ingress, thereby protecting the structure and interior of a building. This category at Build4Less features a variety of flashings designed for different types of roofing materials and tiles.

Types of Flashings

FAKRO EHN-A Flashing

FAKRO EHN-A Flashing Designed for profiled tiles up to 90mm, these flashings are ideal for roofs with larger, more pronounced tile profiles. They ensure a snug fit and optimal water drainage.

FAKRO EZV-A Flashing

FAKRO EZV-A Flashing Suitable for profiled tiles up to 45mm, this flashing is perfect for roofs with moderately profiled tiles, offering excellent protection and a seamless fit.

FAKRO ELV Slate Flashing

FAKRO ELV Slate Flashing Specifically designed for natural, non-interlocking slate, this flashing accommodates the thin, flat profile of slate tiles, ensuring a tight seal.

FAKRO EPV Plain Tile Flashing

FAKRO EPV Plain Tile Flashing. Ideal for plain tiles up to 16mm, these flashings cater to the needs of roofs with flat, plain tiles, providing a secure and durable fit.

Additional Sealing Solutions

• Tyvek Airguard Air and Vapour Control Layer Tape (60mm x 25m): This tape is crucial for creating an air and vapour barrier, enhancing the overall sealing and insulation of the roof window area.
• Surface Protection Tape (Medium Tack Transparent Blue, 600mm x 100m): Useful for protecting surfaces during installation, this tape ensures that areas around the roof window remain clean and undamaged.
• Tyvek Flexwrap Tape (150mm x 23m): An excellent solution for additional sealing, particularly around corners and edges, ensuring a comprehensive barrier against moisture and air leakage.

Choosing the Right Flashing

Selecting the appropriate flashing depends on several factors:

• Roof Material: Identify the type of tile or material used on your roof (slate, plain tile, profiled tile) and choose a flashing designed specifically for that material.
• Tile Size and Profile: Consider the size and profile depth of your roofing tiles. Flashings are designed to accommodate different profiles and sizes for optimal performance.
• Installation Needs: Assess any additional sealing requirements. Use air and vapour control tapes for enhanced insulation and surface protection tapes during the installation process.

 Benefits of Roof Window Flashings

Common benefits of Roof Window Flashing are as follows: 

• Guaranteed weather protection: Roof Window Flashing directs water away from the window, preventing leaks and wind-driven rain ingress.
• Clean, consistent finish: Factory-formed components blend with surrounding tiles/slats for a smart, low-profile look.
• Faster installation: Roof Window Flashing, Pre-designed pieces minimise on-site fabrication, saving labour and reducing snagging.
• System compatibility: Roof Window Flashing Model-matched to Fakro window sizes for a secure, reliable interface.
• Future-proof options: Roof Window Flashing Available for single windows, recessed fits, or close-coupled combinations; compatible with insulation and air-/vapour-tight accessories.

Applications of Roof Window Flashing

• Slate roofs (non-interlocking): Roof Window Flashing used in Choose Fakro ELV flashings for natural or fibre-cement slate.
• Plain/flat tiles: Roof Window Flashing used in Fakro EPV suits plain tiles or shingles.
• Profiled/interlocking tiles: Roof Window Flashing used in Fakro EZV-A is designed for common concrete/clay interlocking tiles and low-profile metal sheets.
• High-profile tiles/metal: Roof Window Flashing used in Fakro EHN-A handles deeper tile profiles and more pronounced metal corrugations.
• Combination layouts: Roof Window Flashing used in Dedicated Fakro combination (e.g., DUO) flashings enable side-by-side or multi-window arrangements.

Installation Tips for Roof Window Flashing

• Read the instructions first: While installing Roof Window Flashing, lay out all components and confirm window size and covering type before starting.
• Keep water paths clear: While installing Roof Window Flashing, maintain unobstructed drainage channels along the sides and head of the flashing.
• Dress the apron properly: While installing Roof Window Flashing, for tiled roofs, carefully form the lower apron to the tile profile for a snug seal.
• Mind the courses: While installing Roof Window Flashing, set out tiles/slats so side soakers and head pieces align correctly, no trapped laps.
• Seal smart: While installing Roof Window Flashing, where specified, use compatible membranes/tapes to complete the air- and vapour-control layers around the window.
• Final check: While installing Roof Window Flashing, Hose-test above the head of the window to confirm free drainage and a leak-free finish.

Why choose B4L for Roof Window Flashing Kit?

• Genuine Fakro kits: We stock the core ELV, EPV, EZV-A and EHN-A ranges so you get the right part first time.
• Trade-savvy pricing: Competitive everyday prices and multi-buy value for projects large and small.
• Fast UK delivery: Reliable shipping options to keep your schedule on track.
• Helpful product support: UK-based team with practical advice on selection, sizing and accessories.

Shop genuine Fakro flashing kit options for a watertight finish around rooflights. Whether you’re fitting optilight tile or optilight slate windows, you’ll find matches for slate, plain tiles and profiled roofing, with choices for standard or recessed installation to achieve a cleaner, lower-set look. The range also includes single-window solutions and ombination flashings for side-by-side layouts, keeping drainage paths clear and finishes consistent. Each flashing kit is size-matched to your Fakro window for faster installs and reliable performance on new builds and refurbishments alike, so you can order with confidence from Build4Less and complete your Fakro rooflights properly the first time.