What is a U Value?
U - Values indicate the efficiency of insulation. The lower the U-value, the better the energy saving.

All Bereco products are designed with 24mm doublke glazed soft coated glazing units. Low E argon filled float glass is quoted for as standard unless otherwise specified.

Glazing

Whilst the materials, weatherseals and correct manufacture and installation seperate the best windows from the rest it is mainly glass which dictates how well a window insulates.


What performance specification do you choose?


Core Thermal Performance (centre pane u value ug 1.0w/m2k)

Superior Thermal Performance (centre pane u value ug 0.9w/m2k) B Rated

A Rated

Do you require specialist glass?


Individualising your glass as part of a design concept or to create added aesthetics, we can accomodate variations which include the following:


Painted Glass >
A modern alternative to obscure glazing with a totally opaque finish, in any RAL colour you choose.
Triple Glazing >
Bereco are one of the only few companies to offer triple glazing on Tilt & Turn and Sliding Sash windows. Using softcoat low 'e' argon filled units with a centre pane U Value of 0.7w/m2k
Unit Spacers >
From steel to warm edge technology, our unit spacers offer the best insulation available. In steel silver finish, warm edge white, brown grey or black, they can be co-ordinated with your choice of paint or stain finish.
Stained Glass >
Stained Glass is used to enhance a design traditionally when combined with bespoke lead work. Traditional colours and designs with bespoke options available on request.
Bevelled Glass >
Bevels in glass act as prisms in the sunlight creating an interesting colour deffraction, which both highlights the glasswork and provides a spectrum of colours which would normally be absent in clear float glass.
Anti Sun Glass >
A glass with an attractive coloured appearance for reduced light transmittance combined with solar control properties.
Self Cleaning Glass
Helps keep your windows cleaner for longer saving time and money.


Do you require obscure glass for the bathrooms or added privacy?


We offer 10 patterns with different styles and obscurity ratings. Glass etching is also available on request.