Cedral Approved Installer
Marley Eternits official website for a genuine list of accredited installers..
You wouldn't hire an electrician to install your new Fascias/ Guttering or cladding.. so why hire a window/ conservatory company? Any reputable company will have specialist installers for these areas of works (many local to the area hire us) as they recognise that equally this area (and you as a customer) deserves specific expertise- you want the job done right of course?
Be weary of any window / conservatory company offering to carry out the work themselves- we have seen some sites over the years!