Warmseal Extra Thick Weatherseal Sealing Strip Black 3.5Mtr - G79401

Warmseal Extra Thick Weatherseal Sealing Strip, Black – 3.5 Metre Roll

Part Number: G79401

The Warmseal Extra Thick Weatherseal Sealing Strip is a durable and versatile sealing solution designed to improve insulation around double-glazed windows and other areas where worn or deteriorated seals need replacing. Supplied in a convenient 3.5-metre roll, this black weatherseal foam strip is suitable for gaps measuring 3–6mm, helping reduce draughts, minimise unwanted air movement and improve indoor comfort. Its extra-thick, weatherseal-grade foam is ideal for addressing gaps around window frames and for anti-rattle applications where a cushioning seal is required. By helping prevent cold air from entering and warm air from escaping, this Warmseal sealing strip can support improved energy efficiency and potentially reduce heating costs.

Key Features of the Warmseal G79401 Weatherseal Sealing Strip

• Extra-Thick Foam Construction: Designed to provide a substantial cushioning seal, helping fill suitable gaps and improve sealing performance around windows and other applications.

• Ideal for Double-Glazed Windows: Suitable for use on double-glazed windows with deteriorated or worn seals, helping improve draught protection and indoor comfort.

• Suitable for 3–6mm Gaps: Designed to accommodate gaps measuring between 3mm and 6mm, making it a practical choice for a range of sealing and weatherproofing tasks.

• Weatherseal-Grade Foam: Provides a practical barrier against unwanted air movement, helping reduce draughts and improve insulation around suitable frames.

• Anti-Rattle Applications: The cushioning foam can help reduce rattling caused by movement between suitable surfaces, making it useful for selected household sealing and maintenance jobs.

• Helps Reduce Heat Loss: Sealing gaps around windows and other suitable areas helps limit the escape of warm air and the entry of cold air.

• Supports Energy Efficiency: By reducing draughts and unwanted air movement, the sealing strip can help lower heating demand and potentially reduce energy consumption.

• Black Finish: The black colour provides a discreet appearance against many dark window frames, seals and other compatible surfaces.

• Convenient 3.5-Metre Roll: Provides 3.5 metres of sealing material for targeted repairs, window maintenance and smaller weatherproofing projects.

Product Specifications

• Brand: Warmseal

• Product Type: Extra-Thick Weatherseal Sealing Strip

• Part Number: G79401

• Colour: Black

• Roll Length: 3.5 metres

• Suitable Gap Size: 3–6mm

• Material: Weatherseal-grade foam

• Primary Applications: Double-glazed window sealing, replacement of deteriorated seals and anti-rattle applications

• Main Benefits: Draught reduction, improved insulation, cushioning and reduced heat loss

Why Should I Buy the Warmseal G79401 Extra-Thick Weatherseal Strip?

The Warmseal Extra Thick Weatherseal Sealing Strip is an excellent choice for anyone looking to improve window sealing, reduce draughts or address rattling caused by movement between suitable surfaces. Its thick, cushioning foam is designed for gaps between 3mm and 6mm, making it particularly useful for maintenance work on double-glazed windows with deteriorated seals. The 3.5-metre roll provides a convenient solution for targeted repairs without requiring a large quantity of material, while the black finish blends discreetly with many darker frames and surfaces. By helping reduce unwanted air movement and heat loss, this weatherseal strip can improve indoor comfort and potentially lower heating costs. Whether you're refreshing worn window seals, tackling draughty areas or completing anti-rattle repairs, Warmseal offers a practical and cost-effective solution for everyday home maintenance.

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