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Author Topic: Loft insulation  (Read 1915 times)

justboatonic

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Loft insulation
« on: December 04, 2011, 07:42:48 PM »

Had some work done in my loft recently and just found out when I went in to get the chrissie decs out, that the 'workers' had removed a lot of the existing fibre insulation from between the joists all about the loft (they were installing a new tank and pipes for a shower, also found they havent lagged the new tank or pipes but that's another story!).

When I inspected the insulation, a lot of it looks to have naturally compressed or, had been teased out to appear thicker by the original builder (hmmmm!). So, looks like I need to top up or replace the existing stuff.

So, has anyone 'topped up' their loft insulation ie more insulation roll on top of existing stuff or has it been a case of remove all the old stuff and put new insulation in? If so, did you use a different product? I notice places like B&Q now do things such as insulated timber boards, solid blocks of styrene and the like.
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Shipmate60

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Re: Loft insulation
« Reply #1 on: December 04, 2011, 07:44:39 PM »

I just got some additional rolls from B & Q and my lad and myself laid it on top of existing insulation.

Bob
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boatmadman

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Re: Loft insulation
« Reply #2 on: December 04, 2011, 08:00:25 PM »

Same as Bob, B&Q stuff was so cheap I couldnt not do it. Just roll out on top of the other stuff
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The long Build

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Re: Loft insulation
« Reply #3 on: December 04, 2011, 08:13:32 PM »

As Above,  BQ the other day had 1 large roll containing 3 rolls for 3.00  and was 200mm thick.. Sounded a good price..
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Tug-Kenny

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Re: Loft insulation
« Reply #4 on: December 04, 2011, 08:26:09 PM »


And please do not forget your face masks

Dangerous stuff up there


ken

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davidm1945

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Re: Loft insulation
« Reply #5 on: December 04, 2011, 08:30:27 PM »

Hi ,
   just remember not to insulate UNDER the water tank as it relies on heat rising from below to prevent it freezing (as my next-door neighbour discovered last winter - messy and expensive!)

Dave
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stoney

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Re: Loft insulation
« Reply #6 on: December 04, 2011, 08:32:01 PM »

 Make sure you dont sandwich cables between the layers of insulation or cover any down lights if you have them in your ceilings.

 Paul
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john s 2

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Re: Loft insulation
« Reply #7 on: December 04, 2011, 08:40:02 PM »

Recomended amount is 270 mm minimum. More does no harm but the law of decreasing savings applies. Id go for 400mm. as the stuff is compressed in a roll it does spring out somewhat. At 2 a roll its cheap as its subsurdized by the power companies. Please remember to leave space arond the eaves for ventilation and dont forget your loft hatch. Have fun im clumsey and once put my foot through a ceiling.John.
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Shipmate60

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Re: Loft insulation
« Reply #8 on: December 04, 2011, 09:03:49 PM »

B & Q sell a fitting kit, gloves, goggles and knee pads for not a lot, I used this.

Bob
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Circlip

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Re: Loft insulation
« Reply #9 on: December 04, 2011, 10:01:28 PM »

And something else the insulation manufacturers omit to mention is that unless treated, it also keeps vermin nice and toasty on these cold nights.

   Regards  Ian.
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john s 2

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Re: Loft insulation
« Reply #10 on: December 04, 2011, 10:13:14 PM »

Possibly better for vermin if you use the wool based insulation. It will be comfy for them.No itching. John.
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brianB6

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Re: Loft insulation
« Reply #11 on: December 04, 2011, 10:45:11 PM »

Definatly DO NOT cover downlights.   >>:-(
The Australian government subsidised roof insulation to help the building industry recover from the GFC.
There were so many house fires from this cause, due to shonky installers, that they had to stop the programme and have registered inspectors check every installation.  <*<
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w3bby

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polaris

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Re: Loft insulation
« Reply #13 on: December 07, 2011, 01:44:21 AM »

Oh dear, until the last Post how many have been conned!? As to thickness go and ask Wolseley (soon to be Jewson), don't pratt around with all else otherwise you will get nowhere! 1 per roll, get on and soon, eh! Before it's too late.

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