Hi to all, I hope you can answer a few questions about conservatory insulation? 1 has anybody heard of the above company? 2 is it safe to attach additional wood frame work to the roof? 3 are there any known problems with trapped moisture? 4 I'm considering doing this job myself and wondered if you know anyone that has done this The roof revive company have quoted me £3100 to do this (3mtrx4mtr) I have priced up the meterials and labour in question and came up with a figure of £600? am I being ripped off????????