Going back to the insulation there were a couple of shots I missed that really show well how the thick stuff is suspended under the chevrons with the thinner stuff in between.
I hope they make up for any deficiency in my written description.
I hope they make up for any deficiency in my written description.
When one of my roof tiles cracks (two or three a year) I can easily figure out which one it is by looking above the puddle/drip that appears in the loft/ceiling/floor below it.
ReplyDeletea) How do you notice you have a broken/cracked tile?
b) Where does all the water that leaks through it go and does it cause any damage on the way?
c) How do you figure out which tile is broken?
d) Is the repair just a replacement of the tile from the outside, or do you have to remove/inspect anything in the loft too?
I'm thinking it's probably best to insulate my loft floor rather than the roof, but I worry that I'll be unable to notice a broken tile until things are really wet. Perhaps one can get wool-like insulation that lets water pass straight through, but not heat?
Aye Aye Crosbie Fitch
ReplyDeleteA, They are slates so are unlikely to break or just crack (like the terracota tiles are prone to do)
B, Beneath the tiles and batten is an overlapped waterproof membrane which would take any leaks down to the bottom of the roof.
C, by looking up from the ground or popping my roofing ladder onto the roof to investigate should the unlikely event occur of one getting a hole in it or cracking.
D, the slates are held on with hooks so it is very simple to just shinny up the ladder twist the end of the hook remove the offending slate replace with a new one and twist the hook tail back to position again.
I will be fitting the solar panels (for water) in the same way once I have decide on their location it is simple enough to get onto the roof remove the slates where needs to fit the frames make two holes down through the insulation (before plaster boarding) for the feed and take hoses)and then re tiling the area and popping the panels onto the then fitted frames.
I want the vaulted ceilings and head room afforded by insulting under the roof. I also dont want any cold areas in the house above my insulation ie in lofts etc as I will have expansion tanks and other stuff in there. You need to look at the rest of the thread to get an idea of how we are utilising all available space as opposed to having big empty cold attics.
The celotex stuff I have used is far more effective per thickness than any other product so it works for us and where we are.
I hope that answers your questions if not please ask more
Cheers
Bentley
Thanks Bentley, it does answer my questions.
ReplyDeleteI'd guessed that slate was likely to be different to terracota (that I have). Anyway, it sounds like breakage is so rare, it's unlikely to be a concern - though sticks and stones fly by more frequently than pigs. ;-)
I've put a radiator under my insulated header tank (as a heat dump), and also have a frost thermostat to leak some heat into it in the event the loft gets subzero. The roof is pretty old, and broken tiles look like they're going to be a regular occurrence, so I think I'll opt for putting a layer of insulation over the already boarded attic floor (I presume your Celotex is for sticking under the roof, and isn't suitable for attic floors that one occasionally walks over). At night at the moment I can pretty much feel the cold descending down from the ceiling. I appreciate the loft will get colder the less heat rises into it from the house below.
I'm going to be running some plumbing in the loft as well for radiators and hot & cold water distribution. Though, as the hot water is circulated, there should be enough heat losses from the insulated hot pipes to keep the adjacent insulated cold pipes above zero. I hope. Incidentally, I discuss one of my heating system issues here: http://www.navitron.org.uk/forum/index.php/topic,19382.0.html
I am also planning to get a couple of solar panels to plug into my Akvaterm, probably not the evacuated tube type given high poplars throwing branches at my roof (and hail storms).