I have never heard of a upvc varnish,You can get upvc woodgrain
manufactured profile windows/doors.
There are sometimes scraches that occur when installing these frames and
show white pvc underneath the woodgrain foil .
To remedy this there is a pen that you can get that is specialy designed for pvc hope that helps.
Available from upvc suppliers and conservatory installers or any double
DIY how to tutorial projects and guides - Did you know we have a DIY Projects section? Well, if no, then we certainly do! Within this area of our site have literally hundreds of how-to guides and tutorials that cover a huge range of home improvement tasks. Each page also comes with pictures and a video to make completing those jobs even easier!