All three rads are plumbed into the GCH but they are also plumbed into the Living room log burner with grundfos pump (50 metre of coiled microbore packed tightly to the back of fire). Each rad can be used/isoloated however you want. Works a treat. Main thing is....the living room cassette fire also heats the loft for free, but you can still use existing GCH if you want.
Getting each section up the first floor (carpeted) stairs was hard work, took three very strong chaps. (inc me ) didnt even mark the carpet.
Had to use a mechanical winch to lift them thru the new stair well.
Each end sits on very heavy gauge (cant remember) steel box bearers of 1400, bedded on with strong compo.
Memorable moment was tightening the bolts together with a mahooosive spanner. The spanner slipping off and cracking against my shin bone..........aaaargghhhh, ffff&%$%$£"!!!
leg went blue from knee to toe for nearly two weeks!
When I finished doing all the truss timbers and tightened all the coach bolts up, it was a good few weeks before it was boarded up. Just before I boarded up the roof I thought I'd check all the bolts for tightness. They were a bit loose! even though I had done the best I could at the time. Obviously down to the heat over a few weeks (late summer) drying them out. I wonder if loft conversion companies re-check every bolt before boarding up?
Always use dog tooth washers with coach bolts when doing a loft - Seen a few do their own lofts without them!
When re-siting hot water header tank, and highering up the CH header tank for the new rads (gravity only obviously) don't get the breather pipes mixed up.....it floods the place!
Looks great. just in the prosses of doing one myself. Its getting there. Lowered all the 1st floor ceilings to get a few more inches of head room up there
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