Zellers - Supplying replacement windows, doors and conservatories across London and Middlesex in either PVCu or Aluminium.
Zellers offer a huge choice of either direct-fix aluminium window and door systems, or high quality PVCu window and door double glazing systems.
uPVC replacement window and door systems from Zellers offer quality, strength, style and affordability. View our range of double glazing doors, windows and conservatories by clicking on our PVCu Products section.
Below we have listed the main features and benefits of installing Premier T70 Entrance Doors. If you would like further information please telephone our Sales Team on 020 8907 2529.
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PVCu Double Glazing & Aluminium Replacement Windows, Doors & Conservatories from zellers.co.uk
Double Glazing and Replacement Windows for the Home available throughout North and West London, Middlesex and Hertfordshire.

Sales Telephone: 020 8907 2529   Customer Service Telephone: 020 8427 8818
Call Zellers today for a free quotation for either PVC or Direct-Fix Aluminium windows, doors, conservatories or folding doors.

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Zellers is a trading name of Capital Windows Manufacturing (Uxbridge) Ltd.

1. Highly durable PVCu

Constructed with 3-chambers, the profile allows separate drainage and reinforcement. All frames measure 70mm from front to back allowing the replacement of traditional 3" timber frames with the minimum of 'making good' remedial work. The PVCu system is also bevelled to provide a slimmer, more attractive look. Manufactured to BS 7413, the British Standards for PVCu window extrusions, the profile carries a full 10-year guarantee against discolouration and degradation.

2. Internal beading


All Premier T70 doors are internally beaded. This means that the beading that secures the glass into place is located on the inside of the frame and cannot be removed from the outside - helping to make Premier T70 one of the most secure systems on the market.


3. Fully welded frame

Some door frames and porches are manufactured with the PVCu lengths mechanically joined. This 'nuts and bolts' method can often lead to the frame being less strong. Water can find its way into joints and extreme temperatures can cause points of weakness. With Premier T70, all joints are welded. This means that the window is a homogeneous structure, providing integral strength to the frame.


4. Central deadbolt

The robust deadlock has a generous 22.5mm projection, securing the centre of the opening side of the door.




5. Hookbolts

The top and bottom hookbolts face inwards, towards the centre of the door preventing it from being jemmied up or down. The hookbolts also have a deep 28mm engagement into the door frame providing a secure hold.




6. Rollercams

The rollers smoothly guide the lock into position enabling the hook to secure into place. Just as important, the rollers force the door against the frame providing excellent compression and a weatherproof seal.


7. Stainless steel door lock

The Premier T70 lock is manufactured in stainless steel which means it is highly corrosion resistant. In coastal areas this is of particular benefit because you can rely on the mechanism to provide consistent smooth operation time and time again.

The lock is manufactured under BS EN ISO 9001:1994 and is approved by the Association of British Insurers with the components tested on a full friction operation to 100,000 cycles.