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Everything posted by gravelld
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Just did a spot of digging and it looks like Munster will do a 900mm side hung uPVC... shame they won't answer any of my emails!
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Thanks - interesting reference point. They only do the TOTAL70 range (at best). They said they have never fitted Geneo. Do you know a way of filtering the Rehau installer list by product-installed?
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Thanks, I added the height in. Interesting about the difference in max sizes; I should say that the aforementioned uPVC installer said they could make them this large, but they'd break in no time. It's a bit difficult to compare, because installers of Rehau seem to have a more fragmented supply chain and installation process (glazing on site etc). It could be just as much about the hinges as the profile? I don't even know who chooses the hinges in these cases.
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Getting some quotes for replacement windows. Some of the windows are about 900mm wide. The normal suspect alu clad providers have given quotes fine. I had a local uPVC installer (of Rehau profiles) also visit because I wanted to understand the value - what we get for a likely lower price. He said: - They can't make casement windows 900mm wide with 3G - it's too heavy. 750mm max - They could do it if they were top openers only - 900mm wide is too wide to be practical anyway because you can't reach that far These windows are generally 1200mm high, max. One thing that raises my eyebrow is that one of the "normal suspect alu clad providers" who also make uPVC did provide a quote for 900mm wide uPVC. Just wondered if anyone could comment on this? - Is it a problem with uPVC that you can't go this wide? - Is 900mm wide too wide to be practical anyway?
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Could you expand on this?
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In the house in general, maybe. But not in specific places, and that's what matters.
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I find it's not so much the resolution as the viewing angle of the lens (I forget the proper term) that can be an issue. I used one of the dedicated units a few years ago and had to stand a good way back from the area of interest which makes it more difficult for use inside. I don't know how the modern phone-connected devices compare. @mike2016 how far away were you standing for your shots?
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- thermal camera
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How do I calculate the amount of PV needed?
gravelld replied to ToughButterCup's topic in Photovoltaics (PV)
Ok, I think we broadly agree wrt implementation. -
How do I calculate the amount of PV needed?
gravelld replied to ToughButterCup's topic in Photovoltaics (PV)
Well you're right, it could apply to wider aspects than taxation, but to what extent we allow it to be is decided by policy. And if you're including purchase of goods and services which aren't provided by the state, you're on a slippery slope... are streaming services regressive? Internet access? Food purchase? Yes they are, but the alternative is also (probably, depending on your opinion) undesirable. I would start by redrawing the market. Energy is massively overused in homes, there are productivity issues caused by ill health from poorly built and maintained buildings and fuel poverty caused by Craphauses. Those are the problems that need fixing, and given appropriate support to people of all means the market can then correct and we have a better longer term foundation to build upon. -
How do I calculate the amount of PV needed?
gravelld replied to ToughButterCup's topic in Photovoltaics (PV)
Progressive/regressive charging normally relates to taxation. Can you explain why are you applying it to energy purchase? -
It depends what you mean by "modern insulated". What sort of peak heat demand are we talking? What energy source for the Aga? A radiative based cooking stove is a wonderful thing (for cooking) but there are elements of Aga's products you have to watch out for.
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How do I calculate the amount of PV needed?
gravelld replied to ToughButterCup's topic in Photovoltaics (PV)
There is no perfect scheme, but some schemes are more perfect than others. On the whole I think PV incentives (aside from them being dropped too quickly) are light years ahead of RHI and ECO, which are total clusterfucks and broken by design. In the end, ST is correct, energy is too cheap and does not reflect externalities. You can see incentives as being a way of reflecting the externalities to the upside on the deemed "desirable" energy sources. -
Well when they invent a real-world usable weed robot...
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Is this perhaps a problem with your lawn, e.g. moss growth not allowing the clippings to decompose? I bought my (manual) mower specifically because it is a mulcher because it saves a lot of time. Not had a problem with it, although if you let the grass get a little long the cuttings take a few days extra to disappear.
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I got the cheapo Screwfix one but it began to fall apart after three years. When it worked it was fine and beefy enough for anything I put in front of it. Going to invest in an Ego cordless next I think. I've had it with internal combustion engines.
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They seem to be coming down in price...
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Any particular recommendation for a scheme for someone with no real health issues other than glasses and standard dentistry check ups?
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I'm sceptical it would pay back. If it did, why are these people in business? Can you provide more detail of *how* to make it pay back?
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You also need to consider things like comfort. A good 3G window won't produce a downdraught, 2G likely will. The additional air movement creates a slight draught which compromises comfort. Plus there's the radiative element - standing next to them. A better quality window means you can use more of your house. I would read the reasons Ph choose the parameters they do, and I'd always trust Ph over SAP, which is a methodology designed to support a wide range of stakeholders... not necessarily people building quality houses. Also bear in mind that some programmes incentivise worse scores, e.g. RHI.
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Is DCV an alternative to MVHR?
gravelld replied to Zoo's topic in Mechanical Ventilation with Heat Recovery (MVHR)
DCV is essentially "smart" MEV. It's less installation work (ducts only to wet rooms). It looks ideal for retrofit to me, but I think for newbuild you might as well go with MVHR which is tried, tested and has a more competitive landscape. -
So @nod are you saying S&C can be good enough if correctly installed for at least a decade or so? Or play it safe with a silicone render? Is there such a thing as a typical price range per m2 for just rendering?
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Sorry - can you explain that? Why does it matter if it's thinner? If we're taking everything off anyway, shouldn't we follow whatever the "system" says? 1950s originally, extensions done in 80s, 90s and 00s.
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What would you do [about the render] @PeterW ?
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For sure. I have to admit part of my motivation is the extra complexity. Look at the list above - so much to think about. I'm next to 100% sure EWI is the best way long term, but to minimise the normal risks of IWI but also because this house can take it in terms of being detached, plenty of space, plenty of thermal capacity to use etc. I'm not 100% sure about sticky block EWI systems, but that's off topic and for another thread.
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What's the minimum overhang from verges on gables? If we go over the top of the existing render, require a scratch coat and then a finish it might push out too far... Do you still have a scratch coat for silicone render? For example this has polymer render, primer, then silicone render: https://alumascfacades.com/product/silkolitt-solo/ .Does the scratch coat do the same thing as the scrim and base coat in an EWI build up? Sorry for the questions, I just want to understand as much as I can. In the places with the worst popping there actually isn't any rusting, however there are signs of water ingress (I didn't spot it, an EWI surveyor did) in the same area. So maybe that caused it. The rusting is actually on the newest parts of rendering, early 2000s extension. Want a job?
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