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Lignum glazing

There are many glazing customisation options for your Lignum windows and doors. We only offer high performance double glazing or vacuum glazing that meet todays building and energy efficiency regulations. 

We also offer many obscure/decorative glass designs which you may choose to have in your bathroom or entrance door. 

Sound reduction can also be achieved with acoustic glazing. This is where we upgrade the outer pane of the double glazing to be thicker to achieve a better decibel rating. This is often for homes close to high traffic roads.

Helpful guide to glazing

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Double glazing

Achieve superior insulation and comfort with double glazing, which reduces heat loss and noise. A great choice for enhancing energy efficiency without compromising on style.

FINEO vacuum glazing

Fineo vacuum glazing offers exceptional thermal efficiency with an ultra-slim design, making it the ultimate choice for upgrading heritage windows without losing their historic appearance.

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Thickness
U-value
Light
Sound
Solar G-value
Single glazing
4mm
5.8
90
29 (-2; -3)
0.87
Slim double
11mm
1.9
80
31 (-2; -5)
0.71
Double 
28mm
1.2
80
31 (-2; -5)
0.71
FINEO
7.7mm
0.7
80
35
0.62
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Other FINEO benefits

Increased light

Allows 15% more light to enter your room than thicker triple glazed units. 

Thermal performance

Superior thermal performance delivers better results than triple glazing.  

Keep historic frames

Designed to be retro-fitted into the original timber sash window frames. 

Sustainable glazing

Environmentally friendly, lead free, free from inert gasses and 100% recyclable. 

20 year warranty

FINEO comes with a market leading 20 year warranty but the life-span is much longer. 

Noise reduction

Reduces external noise by 6 decibels, a 34% reduction compared to single glazing. 

Need to speak to one of our experts?

01225 858233 | info@hawker-joinery.co.uk

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