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Bonnyboy 30-12-2007 21:53
Cavity Wall Insulation
 
Terraced house, stone outer walled, brick inner walled front and rear. WarmFront say that it can’t be done. Struggled to get anyone on the technical side at WarmFront to explain why. Can’t find anything on the internet telling me why it cannot be done. A builder down the street said it can be done, but when he attempted to have the work done by another company, they said same as WarmFront. Any ideas ? Dunno if I’m being daft, but perhaps with it being a terraced house, would whatever “gunk” they filled the cavity with just end up trying to fill the whole block ???

K.S.H 30-12-2007 21:56
Re: Cavity Wall Insulation
 
Because you'll end up doing the whole street, the cavity is open all the way through, well it is in ours anyway, I looked down it when we were having the new windows fitted

EDIT - You edited while I was writing this, yeah, your right

derekgas 30-12-2007 21:58
Re: Cavity Wall Insulation
 
Quote:
Originally Posted by Bonnyboy (Post 510043)
Terraced house, stone outer walled, brick inner walled front and rear. WarmFront say that it can’t be done. Struggled to get anyone on the technical side at WarmFront to explain why. Can’t find anything on the internet telling me why it cannot be done. A builder down the street said it can be done, but when he attempted to have the work done by another company, they said same as WarmFront. Any ideas ? Dunno if I’m being daft, but perhaps with it being a terraced house, would whatever “gunk” they filled the cavity with just end up trying to fill the whole block ???
I would say either that, or you have what is called a rubble infill, this is usually associated with stone inside and out though, and a rubble infill wall will normally be 12" + thick.

Bonnyboy 30-12-2007 21:59
Re: Cavity Wall Insulation
 
Quote:
Originally Posted by K.S.H (Post 510047)
Because you'll end up doing the whole street, the cavity is open all the way through, well it is in ours anyway, I looked down it when we were having the new windows fitted

EDIT - You edited while I was writing this, yeah, your right
LOL, I dint edit it....can you see what Im typin' ?

So it's as simple a thing as fillin the whole street, shame they can't make the stuff set faster :psmile:

WillowTheWhisp 30-12-2007 23:02
Re: Cavity Wall Insulation
 
Some terraced houses don't have cavities. The inner brick and outer stone are butted up against each other or if there is a bit of a gap is filled already with bits of rubble and plaster etc.

cashman 30-12-2007 23:23
Re: Cavity Wall Insulation
 
never been a big fan of Cavity Wall, can see the merits, but also the downside if it aint done right. was always told to keep morter off the wall ties as damp could travel across very easily on it, so i reckon the same could occur if cavity wall insulation was not complete. could be wrong,but its cashy logic.:pwub:

derekgas 30-12-2007 23:26
Re: Cavity Wall Insulation
 
Quote:
Originally Posted by cashman (Post 510100)
never been a big fan of Cavity Wall, can see the merits, but also the downside if it aint done right. was always told to keep morter off the wall ties as damp could travel across very easily on it, so i reckon the same could occur if cavity wall insulation was not complete. could be wrong,but its cashy logic.:pwub:
I have never been a fan of cavity wall insulation, everything on god's earth rots eventually, how are they going to get it back out to replace it?

WillowTheWhisp 30-12-2007 23:28
Re: Cavity Wall Insulation
 
Maybe it has a rot-life the same as the brickwork and plaster.

Bonnyboy 30-12-2007 23:33
Re: Cavity Wall Insulation
 
Quote:
Originally Posted by derekgas (Post 510102)
I have never been a fan of cavity wall insulation, everything on god's earth rots eventually, how are they going to get it back out to replace it?
Good point, everything degrades. Think there is more chance of the diggers movin in round ere before any cavity wall stuff rots tho. Basically blown plastic innit.

cashman 30-12-2007 23:42
Re: Cavity Wall Insulation
 
i was meaning if it didnt completely fill the cavity, then i reckon damp could travel across it. n you or the guy doin it has noway of telling?

shillelagh 30-12-2007 23:47
Re: Cavity Wall Insulation
 
i have cavity wall insulation in mine mind you it is a semi detached. warm front did it about 5 years ago and got it done free with new loft insulation as well. Plus got my 6 free low energy bulbs as well.

Benipete 31-12-2007 01:11
Re: Cavity Wall Insulation
 
The whole idea of a cavity wall is that there is a gap between the outside and the inside wall to stop penitration of damp, that is penitrating damp not rising damp.To bridge a cavity wall defeats the object therefore I conclude that cavity wall insullation is as much use as a handbrake on a canoe:

MargaretR 31-12-2007 11:35
Re: Cavity Wall Insulation
 
I have one wall with no cavity, so it could not be insulated that way by Hyndburn Homes.
I websearched for alternatives that I could use.
There are rolls of cladding that can be put on like wallpaper, but it would have cost me £200+ for one wall area about 12'x 8'.
I have used Thermilate - a paint additive - I do find it effective but not as good as the cavity wall insulation would have been
Insulating Paint Additive, Insulating Paint, Paint Insulation, Energy Saving Paint

WillowTheWhisp 31-12-2007 12:08
Re: Cavity Wall Insulation
 
Sounds logical to me.


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