How do you actually install an in roof solar pv system? 

I have a solar edge inverter for my solar panels and a Tesla powerwall 2 that have just been fitted.(Nov 22) I have been told I don't need a separate DC isolator as there is one in the Solar Edge Inverter. Are they right or do the new Regulations from September say I need a separate one?

Compared to the previously fully tiled roof and bitumen sarking underlay, is the loft temperature lower or higher after installing Viridian?

How do you deal with heat dissipation? Or lack there of

Slate lasts centuries. Panels are warranted to about 25 years. How does servicing on a setup like this go?

Hi. Have you done any domestic flat roof installs. I have a 1930s semi with a loft conversion. Standard pitched roof front / 5x5m flat roof rear. What mounting system would I use for the flat? NW Nr Lancaster.