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Our replacement windows are A-Rated to comply with part 'L' of building regulations
Dunster House Ltd.
Our replacement windows are A-Rated to comply
with part 'L' of building regulations
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5 chamber profile
Our UPVC bay and bow windows feature a 5-chamber 70mm profile. This thick profile ensures a strong rigid framework for the 28mm glass unit. The internal chambers protect against heat loss and are resistant to all weather conditions. The 5-chamber 70mm-thick system is regarded as one of the easiest to install and can be the perfect replacement for old timber framed windows.
Internally beaded
All of our UPVC windows are internally beaded. The benefit of internal beading is that it offers far better security than external beading. This is because the beading which keeps the glass in place is not as accessible from the exterior of the property, meaning there is no easy way for burglars to pop the beads out, removing the glass and gaining entry into your property.
Security
Our uPVC tilt and turn windows feature a multi-point locking system. We use Espagnolette locks that engage with the keeps to make it harder for the windows to be forced open as they hook underneath the edge of the keeps. This is an advantage over the simple roller cam system that can be found on some products in the market. Our windows also feature anti-jemmy riser blocks fitted, which prevent the windows from being forced open with a crowbar.
28mm double glazing
Our double glazed sealed units are 28mm thick, comprised of two 4mm panes of glass and a 20mm high-performance warm edge spacer bar, which conform to EN1279 standards. Our double glazed sealed units have been independently tested for moisture absorption, an issue which can lead to sealed unit breakdowns such as a build-up of steam or condensation in between the glass panes, a common problem found in windows which have been poorly manufactured.
100% virgin material
Our UPVC windows use 100% virgin plastic, meaning that it has not been previously utilised or subjected to processing other than for the purpose of being used as window frame profile. The benefit of using this newly-formed plastic material is that it can absorb more of the sun’s UV rays without discolouring over time, ensuring your windows stay bright white for many years to come.

WELCOME TO DIY uPVC WINDOWS AND DOORS


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