Although my installation was delayed by the weather, I cannot give an excellent review to this transaction as I was initially misled by the salesman regarding the ease of installation, which then led to further expense. Also It took them 3 weeks to discover this problem. Communication with the admin staff was chaotic they always seemed genuine enough, but unable to reliably follow things through (tip:- check your junk folder as some but not all their emails seem to find there way there). However eventually my lovely roof (external only), was installed in 2 days by a couple of hard working installers who did a very professional job, and all at what I believe to be a very competitive price. Would I use them again? quite probably yes..