Browse Forums Heating, Cooling & Insulation Re: Effect of excess batts on room temperature 15Dec 17, 2009 6:03 pm krangsquared - The only real way that I can see the pile of insulation could be adding to you heat problem is by the extra efficienies in that area of your ceiling and I assume that it is more over one room - is the overnight/cooler day time looses would be less - so you have a lower rate of heat loss from the room - which equals - it feels hotter with any heat that gets in there. Re: Effect of excess batts on room temperature 16Dec 18, 2009 12:30 am Eccles: Wow. I was not at all aware of construction techniques used in your part of the world. Your posting was indeed a very enlightening one for me! Thank you! With only my North American perspective, it seems the attic is the least of the original poster's worries, since _I'm_ the one full of hot air! HEHE! Cheers! James. Re: Effect of excess batts on room temperature 17Dec 22, 2009 12:14 am James, No worries. I've done a fair amount of research into the issue of using sarking, so that matter's pretty much already settled for me. I was really just wondering about the excess batts that I had and if it was making things worse. JillaMint, From the previous posts in this forum, the general idea I got was to just get the cheapest possible sarking, as long as it doesn't tear easily. =) And there isn't much difference between .03/.05/.07 emissivity, so whatever is available should be fine. I was planning to get Sisalation from my local Bunnings but they didn't have any, so I just got Tradewrap wall wrap foil insulation, which is also from the same manufacturer (Fletcher Insulation). My roof space is really cramped so it's going to be a bit of a struggle to install the sarking. All the installation diagrams and photos I've seen are always showing these spacious roof cavities, while I have: Like ⋅ Add a comment ⋅ Pin to Ideaboard ⋅ The pile on the right is the insulation I was talking about. Like ⋅ Add a comment ⋅ Pin to Ideaboard ⋅ Makes me wonder if the concertina batts will be any easier to install! Re: Effect of excess batts on room temperature 18Dec 22, 2009 9:52 pm Quote: Makes me wonder if the concertina batts will be any easier to install! Certainly will be - and is only in the order of 0.3 less effective than the tough option. PM me your email. I have a build excavation calculator you can use based on your plans to double check what your builder is telling you. Cheers Simeon 1 10455 Found the answer. The recommended distance is .... 1 6125 |