Temp
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Temp last won the day on September 27 2023
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Pricing error on Jewson site? Says... Ancon ST1 Type 1 Heavy Duty Wall Tie 200mm Pack of 250 £3.08 inc VAT https://www.jewson.co.uk/p/ancon-staifix-standard-heavy-duty-wall-tie-200mm-l-CIWT0275 They obviously mean per tie but it does say "box of 250" in several places. The page for the longer version doesn't.
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Perhaps tell us more about what you are building and why it needs Planning Permission?
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Dealing with standing water on oversized slab
Temp replied to oliwoodings's topic in Landscaping, Decking & Patios
Perhaps you could cut a few grooves in it to act as drainage channels. Bit like you have on a kitchen draining board. -
Can be at switch if there is a neutral there. Has to go Switched Live to Neutral on the input side to any ballast if there is one..
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If it's got sleeping accommodation it will likely need Building Control Approval anyway.
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How bright is it when it's meant to be off? Hard to tell in the photo. If a dim/medium glow then yes its probably capacitive coupling between live and switched live or similar. A bypass capacitor should sort it. They go in parallel with the light. Only usually need one to fix multiple bulbs on same circuit. If its full or near full brightness then it's possibly a wiring fault of some sort?
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Can I set up my site before building regs approval (Scotland)
Temp replied to Dunc's topic in Building Regulations
Not familiar with Scotland but.. I've heard of people asking the BCO if it's OK to dig (but not fill) the foundation trenches while you wait for approval to start. After all some people go down the Building Notice route rather than Full Plans Approval. -
Mixing wood fibre sarking with PIR in pitched warm roof
Temp replied to DonnaP123's topic in Roofing, Tiling & Slating
OK so the target U value is 0.15. That's an R value of 1/0.15 = 6.7 needed. Wood fiber has a Thermal conductivity = 0.041 W/mK R value of 80mm would be.. = (1/0.041) * 80/1000 = 1.95 So the PIR needs to provide an R of.. 6.7 - 1.95 = 4.75 The Thermal conductivity of PIR is about 0.022 W/mK The thickness in mm you need would be.. T = 4.75 * 0.022 * 1000 = 104.5 mm However I'm not sure it's safe to put any insulation between the rafters without a condensation risk analysis.. The term warm roof has two different meanings that get confused. One refers to the temperature of the loft (I prefer warm loft for this). The other refers to the temperature of the structural members (rafters). If the insulation is entirely above the rafter then we call this a Warm Roof because the rafters are on the warm side of the insulation where condensation cannot form. Conventional roofs have all the insulation between or below the rafters putting them on the cold side. To prevent condensation in this case they must normally be ventilated, typically with a 50mm ventilated void. If you have some insulation above and some between the rafters then this is a hybrid roof frowned on in some quarters. The insulation between the rafters lowers the temperature of parts of the rafter potentially increasing the risk of condensation. Some insulation can be installed between rafters but you really should get a condensation risk analysis done to work out how much. I have a feeling it won't be as much as you need. You could try approaching a PIR manufacturer. Explain you have 80mm wood fiber above rafters and would like to fit some PIR between but need a condensation risk analysis done to work out how much is safe. They might be able to do one free for you to try and get the business. Note I'm not an expert on condensation and the breathability of the wood fibre might make a difference to the above. Could you put a whole lot more wood fibre on top of the existing 80mm to make it a proper warm roof? I estimate you would need a total of.. T = 6.7 * 0.041 * 1000 = 275mm wood fibre, Less the 80mm you already have is another 195mm. Or you could possibly put the 105mm PIR on top? This would complicate fixing tile battens. Your BCO might have strong views about this. Did he approve the original hybrid with wood fibre both above and between? What do others think? -
Complain to advertising standards. Very easy to do and its anonymous (to the company). I've submitted a few including against big companies.
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Can just leave it. Next time use low efflorescent bricks
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You can buy metal garages but Ive never had one. If it's within 1m of the boundary building regs require it to be essentially non combustible so that might be an issue. Learn how to lay blocks and pay to get them rendered?
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UFH and Carpets. Tog ratings, specialist underlay and other nonsense?
Temp replied to peekay's topic in Underfloor Heating
You can get special low tog underlay For UFH. Try and keep the total tog as low as possible. Some carpets are available in two versions (with Hessian or foam backing). Beware the small print in carpet shop contracts that allows them to deliver either version at their choice.