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About Kernow

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  1. Possibly, I know with Sentinel if you use anything other than OSB it will void Theo warranty.
  2. As a roofer I completed a GRP course, one day and about £90. Was brilliant and you can then attain a warranty on the installed roof, its not hard, but there are a few tricks of the trade. The course I did was through Sentinel, you can even view their manual online which is very useful As said before, keep your boards dry and make sure you get your resin mix right, if you are struggling with the weather then roll out a thin coat of resin over the boards as soon as they are down as this will stop them from getting properly wet. Even if it rains they are easily dried. One thing to mention...don't use ply the resin doesn't properly bond to it and will eventually delaminate. Only OSB should be used under GRP roofs. If you have any questions I will try and help out.
  3. Has anyone here used Jackon’s Thermomur 350 ICF and give me any feedback on it? Thanks
  4. Has anyone used windows from Residence? Specifically interested in their R7 range of windows. Any feedback would be great?
  5. Thanks for the responses. Interesting what you say about the UK and Ireland Jeremy. Perhaps the most important thing is to make sure the building control/warranty provider is happy with whoever we use. I’m hoping to diy the raft myself so don’t need a kit, just want some good designs to work off. I’ll try JTA for a comparison.
  6. I’m interested to know, who has everyone used to do the design/structural work on there insulated raft foundations? And would you recommend them? Reading various posts I see the often recommended person is Hilliard Tanner, but does the fact that we are no longer in the EU pose an issue with regards to certification etc? Interested to know other people’s experiences as I’m not convinced that certain people that I have attained quotes from would be up to the job. Thanks
  7. Brilliant definitely a few options to explore.
  8. What sort of set up is this? Do you have a separate building/shed with the toilet over the composting whole? Do you think it would be possible to pipe waste directly from a static toilet into a compost whole? 😂, this could get tedious very quickly.
  9. That’s exactly what I wanted to hear, a quick google is needed I think...
  10. Hypothetically speaking if you had to move on site into temporary accommodation (static caravan) before the required sewage treatment plant and soakaway installations had been completed, what are the options for disposing of foul waste? Is it possible to just part bury a large tank and have this emptied sporadically? Any thoughts would be appreciated.
  11. Interesting, I did hear about a large development down towards Tehidy, might be worth a visit. I have seen a few around in the past, but none now I am wanting to go and visit.
  12. Thanks, not passive, but hoping to be near that level of insulation and air tightness. Current thoughts are for a DIY insulated slab foundation with ICF walls. Yes, the plot is only a few miles from our current house, going into a static on site when it sells.
  13. How did you go about choosing which ICF manufacture you used for your build? Aside from cost & U values, what did you look at to differentiate the different systems? Thanks
  14. Hi everyone, Thought I would introduce myself. We are shortly about to be starting a new self build of our family home in North Cornwall (detailed planning is in at the minute). We will be doing 90% of the works ourselves, I’m a roofer/builder by trade so hopefully know what we’re getting into. But we have never undertaken anything on this scale before. Hopefully I’ll be able to offer a bit of advice to others, as I know I will definitely be after some myself. Below are our plans if anyone is interested. 1904 03 P3.pdf
  15. Yes...that is one of the factors that has made us start looking elsewhere.