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Homebase£441.00Visit shop Crystal-Direct Crystal Lh And Rh Side Hung Fixed Centre Black And White Clear Double Glazed Window 1770 X 965Mm
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B&Q£460.00Visit shop B&Q - Double Glazed Window Black/white Lh & Rh Side Hung Fixed Centre Clear Glazed 1770 X 965mm 10 Year Guarantee With Free Delivery
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This Crystal Double Glazed Window in Black is ideal for homeowners seeking to improve energy efficiency and natural light. Its key benefit is an A-rated performance with a low U-value, contributing to reduced energy bills. A potential consideration is the fixed centre design which limits full opening options. It features advanced glazing for thermal insulation, secure locking mechanisms, and integrated ventilation for a comfortable and secure home environment.
| Colour | Black |
|---|---|
| Brand | Crystal |
A-rated performance means the window meets high standards for energy efficiency, specifically achieving a U Value of 1.4 W/m2K. This indicates low heat loss, helping to reduce energy bills and improve comfort.
The handing is determined by viewing the window from the outside. A right-hand opening window will have its handle on the right and the hinges on the left when viewed from the exterior.
While technically possible, professional installation by a qualified tradesperson is strongly recommended to ensure proper sealing, structural integrity, and optimal performance. Incorrect installation can lead to drafts, water ingress, and reduced efficiency.
Trickle ventilation provides a small, continuous opening that allows for controlled airflow into the room. This helps maintain air quality, reduce condensation, and prevent stuffiness without compromising security or significant heat loss.
It is recommended to check and lubricate the espag locking mechanism and hinges annually using a silicone-based lubricant to ensure smooth operation and longevity.
The U Value measures how effectively a window prevents heat transfer. A lower U Value (like 1.4 W/m2K) indicates better insulation and energy efficiency, meaning less heat escapes from your home in winter and less heat enters in summer.
Check for obstructions in the frame or track. Ensure the espag locking mechanism is fully disengaged. Lubricate hinges and moving parts with a silicone-based spray.
This indicates a seal failure in the double-glazed unit. The unit may need to be replaced by a professional.
Inspect the window seals and ensure the frame is properly sealed to the wall opening. Check the locking mechanism is fully engaged. For persistent drafts, professional sealing may be required.
Clean and lubricate the espag mechanism. Ensure the keeps on the frame are aligned correctly with the locking points on the sash.
Setup: Installation of the Crystal Double Glazed Window should be performed by a qualified professional to ensure proper sealing, structural integrity, and compliance with building regulations. The handing (left or right opening, viewed from the outside) must be confirmed before installation.
Compatibility: This window is designed for standard wall openings. Ensure the opening is correctly measured and prepared according to installation guidelines. Compatibility with existing building materials is generally high due to its standard design.
Care:
