perspex

I'm building out a Luton van to live in (pic attached just so you get idea). I wan't a lot of natural light. Campervan windows are too expensive (I might get a couple but want more light than that). Proper double glazed windows cost too much too, even for just the glass, and I'm also trying to...

Hi, We are finally after 8 years, wanting to replace the (piece of crap), draughty perspex sheet that is our landing skylight (sitting in line of sight under the roof velux window in our loft). I have always wondered just how much heat gets lost through it into the roof space, not to mention...