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I was thinking to do that initially, but 2" every 40cm to hold up the weight sounds like very localised pressure on the PIR material and concerns were raised that the PIR might compress. Also Kingspan themselves reccomend not to lay the material directly onto joists but to spread the load as...

I will. I will also get the SE out to confirm the load bearing wall before I do anything as I also need consultation on removing a wall for a future project. :D Why the :shock: face?

Spoke with a structural engineer yesterday who said that the joists are less than average in size :( but also went onto say that on average the standard type of timber roof construction can safely hold up to 22Kg per m2 on the joists (including storage items). He suggested that provided the...

How does it work then Tony? :D Some of the load surely is passed through when the material below the load is solid/uncompressible? Cath, I'm glad you went with the easy option :mrgreen: no hassle and no lack of sleep :wink:

Grrrr! lol this php board is laggy as hell, double post....again :oops:

Tony just looked at OSB as you suggested. A source comparing the two materials is here. Looking at the costs at my local timber's there is a £2 difference against like for like panels, but the OSB has a minimum order quantity attached so I will end up paying significantly more and end up with...

Hi Tony, sorry for the long post, I was trying to putin as much info as possible. I measured the loft space again and I can confirm its 7M x 6M wall to wall. The 6M span is the length of the joists wall to wall and they are positioned front to back. I'm not planning to put heavy items...

Hi Cath, I think that all of your considerations are viable. I do not see an issue with adding insulation between the ceiling plasterboard and the platform, provided you do not force it in and do not compact it in that space. The wool type insulation is meant to be free laid without...

Double post.....numpty :lol: :oops: P.S. I can provide images of the loft space if required, or I can make an outline drawing of the building plan etc. if necessary.

Hello all, I have spent the last 6 months on and off researching home efficiency improvements. I have read allot and have learnt allot, with a number of headaches along the route lol, but I still consider myself a newbie and I certainly still struggle with the building industry technical...

The recycled plastic is good stuff if you can get it at a good price. I completely removed two layers of glass wool (shudders) and replaced it with this stuff. Overall very happy. Something to note, the stuff gets fluffy quickly and catches on any rough surfaces (as glass whool does), it...

Stating the obvious in the first count, but I edited how it reads for your benefit and for others. I'm happy for you, on the second. :mrgreen: With regards to the other statement, guess is exactly that. My guess is that it has been tested for safety in terms of human consumption seeing as...

Hi DM, I am no expert and admitedly I'm a pesimist at the best of times :oops: :lol: however doing a little research the AQB product seems to show good support from a number of building companies and some architects promoting the product into new builds. The product may only be a...

Based on what I have been reading from you expert CC folk that seems to be the case. However I only saw mention of 20-25% oversizing of rads and mine is closer to 30% now I have recalculated the radiator sizes required. These are the numbers: Required Output Total = 5954W Required Output...

Good news. It appears that my wall cavities are filled, including the extension. The nice man who came to visit and consult today also offered to add 280mm loft insulation for £39GBP (the rest is grant subsidised). Result on both counts. Bad news. I now need to re-calculate all of my...

Tow wrongs don't make a right, but three left's do......

ALEC1, I cant argue for or against the various tariffs and payment methods available as Im new to house ownership and still in my first year so I dont know much about anything in that regard. My strategy when I moved in was to get off the pre-payment meter and go on an online tariff where I...

Hi VC, I got your post and Im happy with what was suggested in my thread. I already donate to Unicef and RSPCA on a monthly basis, so sharing a little more for the needy is fine with me. I dont do checks but can do bank transfer or paypal or other arrangement based on what these organisations...

Thanks for the constructive commens guys :roll: You know the old saying........if you have nothing useful to say..... :wink: I have my reasons for needing to change and based on your levels of input, I dont feel its worth wasting my time justifying my reasons to you. Regards Hum

I agree with what you guys are saying, but itappeared like most were not happy I knew so much about it. The last chap said Im in the wrong trade lol and that I knew more than some installers :roll: Two people did measure the flow with their little cup but thats all that was done. Nobody...