What Does Double Glazing Cost? Supply & Fit UPVC Windows

Exterior Bi-fold Patio Doors

Double Glazed Multi-fold Patio Doors

The most recognisable aspect of this design is the way they open by sliding the glazed door ‘leaves’ in order to fold or stack up to the left, right, inside or outside of the frames. The first instinct is to think this maybe a cumbersome task requiring strength, but due to the roller tracking system used it is a quite simple task for any one to manage.

Bi-fold patio doors

Modern versions of this design have addressed problems with heat loss / gain by integrating the latest energy saving features, such as gas filled double or triple glazed sealed units, and taking advantage of the most energy efficient low emissivity glass which acts to keep in heat when it’s cold outside.

Find out more about French Windows or casement windows

black patio bi-fold doorsBecause manufacturing processes are to a high standard and with the impact of UK building regulations, you can now be confident in the thermal performance of new Exterior Bi-fold patio Doors, as they are built to keep in the heat & keep out the weather at a reasonable cost.

Options for Colours & Surface finishes

Bi-fold doors can be made in a choice of colours and features which gives them a very pleasing look and as you would expect, security is much improved with locks that are built to keep intruders out and, should you want to upgrade to toughened or laminated glass you can easily do so.

In terms of cost of installing them you can find out more about that subject on our comprehensive guide here.