Aquamac 21 AQ21 Qlon Gasket Seal for Wood Windows & Doors Draught Foam Strip

Schlegel Aquamac 21 AQ21 Qlon Gasket Seal for Wood Window & Door Draught Foam Strip

Transform your windows and doors with professional-grade weathersealing that stands the test of time.

Schlegel Aquamac 21 QLON gasket is specifically engineered for wood and timber windows and doors, delivering exceptional energy efficiency that often exceeds long-term window performance guarantees. This premium weatherseal maintains its sealing integrity year after year, helping you eliminate draughts, reduce energy bills, and enhance comfort throughout your home. Available in White, Black, or Brown to complement any window or door frame.

This professional-grade gasket features a unique combination of materials with unparalleled technical performance, making it one of the most trusted sealing systems in the industry today. The Aquamac 21 is designed to be inserted into a groove without adhesive, creating a secure compression fit that maintains its position while accommodating natural wood movement.

Key Benefits:

• Superior Memory – Returns to original shape even after long compression periods, maintaining an effective seal year after year
• Simple Installation – No adhesives required, simply pushes into existing grooves for quick replacement without specialist tools
• Temperature Stable – Performs consistently in extremely cold and warm weather conditions with low compression forces
• Excellent Acoustics – Outstanding sound attenuation properties help reduce external noise transmission
• Thermal Efficiency – Unrivalled thermal performance reduces heat loss around frames, helping lower energy bills
• Dimensionally Stable – Internal fibreglass thread prevents elongation and shrinkage for lasting performance
• Weather Resistant – Unaffected by rot, fungi, UV-light or ozone, ensuring long-term durability
• Paint Compatible – Properties unaffected by standard paints and stains, making it ideal for decorated timber frames

Product Specifications:

• Brand: Schlegel
• Model: Aquamac 21 QLON
• Main Seal Material: Polyurethane foam
• Available Colours: White (RAL 9003), Black (RAL 9005), or Brown (RAL 8019)
• Seal Application: Windows, Entry Doors, Furniture
• Seal Fitting Type: Kerf Slot
• Rebate (mm): 11.00
• Seal Gap Range (mm): 4.00 - 7.50
• Groove Depth (mm): 6.00
• Groove Width Range (mm): 2.70 - 3.00
• Installation Method: Compression fit into groove (no adhesive required)
• Independently Tested: Yes, to EN 12365:2003 standards
• Length: Sold per metre

Pro Tips:

Pro Tip: For optimal performance, ensure your groove dimensions match the specifications: 6mm depth with width between 2.7-3mm. The weatherseal can accommodate gaps between 4-7.5mm. Clean the groove thoroughly before installation and gradually work the gasket into position without stretching it to maintain its excellent recovery properties.

Package Contents:

• 1 × Continuous length of Schlegel Aquamac 21 QLON gasket (length as per order quantity in metres)

*Please ensure accurate measurements before ordering. This product is sold per metre, and when purchasing multiple quantities, you will receive one continuous length where possible.

Frequently Asked Questions:

Is this weatherseal self-adhesive?
No, the Aquamac 21 is designed to be inserted into a groove without adhesive. When fitted correctly, it creates a secure compression fit that maintains its position while accommodating window movement.

How do I know if this weatherseal will fit my window or door?
Check that your groove dimensions match the technical specifications: 6mm depth with width between 2.7-3mm. The Aquamac 21 can accommodate gaps between 4-7.5mm. Measure your existing groove carefully before ordering. The product is designed for use with a rebate of 11mm.

How long will this weatherseal last?
The Schlegel Aquamac 21 has been independently tested to maintain its properties after 10,000 cycles of window/door opening and closing - significantly outperforming other materials. With proper installation, it provides many years of reliable service.

Will it work with my painted/stained wood windows?
Yes, the Aquamac 21 is unaffected by standard paints and stains, making it ideal for use with finished wood windows and doors. It maintains its properties throughout decoration cycles.

Why Choose Schlegel Aquamac 21?

Schlegel has established itself as an industry leader through continuous research, development, and strict quality control. The Aquamac 21 represents the pinnacle of weathersealing technology, offering professional-grade performance for your home. By choosing this premium weatherseal, you're investing in long-term comfort, energy efficiency, and protection for your wood and timber windows and doors. Experience the difference that truly superior weathersealing makes to your living environment.