JohnBishop Posted August 9, 2023 Share Posted August 9, 2023 Hi All, I am going to replace old wooden doors to my backyard and I was wondering if I should go for double or triple glazed does it really make a difference. I reckon triple would make these doors pretty heavy. The existing doors are W 80 x H 192cm. What would you suggest I should pay attention to? Thank you Link to comment Share on other sites More sharing options...
joe90 Posted August 9, 2023 Share Posted August 9, 2023 I really think it depends on the insulation on the rest of your house, with my passive esk build I went for good double glazing as going triple only made a small difference to the overall U value. If your house is built to passive standards then triple will give you the best result and not be a weakest link, if not then double, with coatings might well be suffice (and lighter!). 1 Link to comment Share on other sites More sharing options...
JohnBishop Posted August 9, 2023 Author Share Posted August 9, 2023 2 minutes ago, joe90 said: I really think it depends on the insulation on the rest of your house, with my passive esk build I went for good double glazing as going triple only made a small difference to the overall U value. If your house is built to passive standards then triple will give you the best result and not be a weakest link, if not then double, with coatings might well be suffice (and lighter!). what coatings do you mean? There is insulation on the outside. What about the glass. Does it make a difference if I go for 2 sections rather than a single large piece? Link to comment Share on other sites More sharing options...
joe90 Posted August 10, 2023 Share Posted August 10, 2023 11 hours ago, JohnBishop said: what coatings do you mean? Used as thermal barriers and solar filters. Without changing the composition of the glass itself, it is used to improve thermal and solar performance of float glass. 1 Link to comment Share on other sites More sharing options...
JohnBishop Posted August 10, 2023 Author Share Posted August 10, 2023 1 hour ago, joe90 said: Used as thermal barriers and solar filters. Without changing the composition of the glass itself, it is used to improve thermal and solar performance of float glass. ok thank you what about single large or two smaller glass panels? Do glass in such doors crack frequently? I reckon more often in doors than windows. If two panels then less glass to replace. Link to comment Share on other sites More sharing options...
joe90 Posted August 10, 2023 Share Posted August 10, 2023 2 hours ago, JohnBishop said: Do glass in such doors crack frequently? Any glass in a door or next to it must be safety glass so cracking is not a problem. No idea about thermal properties of one or two panes. 1 Link to comment Share on other sites More sharing options...
JohnBishop Posted August 10, 2023 Author Share Posted August 10, 2023 2 hours ago, joe90 said: Any glass in a door or next to it must be safety glass so cracking is not a problem. No idea about thermal properties of one or two panes. Right Should I just search for any double glaze doors or are there any other things I should pay attention too? I understand in the UK there is several factories that make UPVC windows/doors on order for some local window installers but from factory to factory there isn't much difference. Or should I pay attention to some brands? Link to comment Share on other sites More sharing options...
JohnMo Posted August 10, 2023 Share Posted August 10, 2023 Various ways to skin the cat. Double glaze can vary in U value hugely, depending on the frame build up and double glazed units used. We have triple glazed windows and 4 double glazed outside door sets -mainly due to weight. UPVc/aluminium U values came in at between 1.4 and 2. something, which is rubbish. We went for wooden (and all windows) with krypton gas between the double glazed pains, total U value for the door is either 1.0 or 1.1, a while since a looked. Unless the rest of your house is well insulated and draft proof, triple glazed is long way down the list of things to spend your money on. 1 1 Link to comment Share on other sites More sharing options...
markc Posted August 10, 2023 Share Posted August 10, 2023 Most of the decisions come down to what you want and what restrictions if any you have. Swinging or sliding, colour and material for frame, budget, etc etc. your doors are not big so there will probably be “standard” units that will fit. If you are going for better thermal efficiency then your options narrow as the spec goes up. 1 1 Link to comment Share on other sites More sharing options...
JohnBishop Posted August 10, 2023 Author Share Posted August 10, 2023 1 hour ago, markc said: Most of the decisions come down to what you want and what restrictions if any you have. Swinging or sliding, colour and material for frame, budget, etc etc. your doors are not big so there will probably be “standard” units that will fit. If you are going for better thermal efficiency then your options narrow as the spec goes up. This would be standard swinging doors. Is there any brand in particular you would recommend? Should I order them myself and arrange the installers separately or just let the deal with it? I reckon the installers have their suppliers. Link to comment Share on other sites More sharing options...
markc Posted August 10, 2023 Share Posted August 10, 2023 5 minutes ago, JohnBishop said: This would be standard swinging doors. Is there any brand in particular you would recommend? Should I order them myself and arrange the installers separately or just let the deal with it? I reckon the installers have their suppliers. If you are wanting UPVC, get in touch with a local supplier and let them supply and fit. This way they are responsible for the measure and any problems. Probably much cheaper than you buying and getting someone to fit 1 Link to comment Share on other sites More sharing options...
HughF Posted August 10, 2023 Share Posted August 10, 2023 Just fitted a fully glazed triple glazed uPVC from my preferred supplier, weight of the glass wasn't an issue in their standard profile. Online supply only UPVC double/triple window/door prices/quotes (modernupvcwindows.co.uk) 1 Link to comment Share on other sites More sharing options...
HughF Posted August 10, 2023 Share Posted August 10, 2023 5 hours ago, markc said: If you are wanting UPVC, get in touch with a local supplier and let them supply and fit. This way they are responsible for the measure and any problems. Probably much cheaper than you buying and getting someone to fit Let a local uPVC firm fit windows for you? Hmmmmm…… not in my house 🤣 Link to comment Share on other sites More sharing options...
JohnBishop Posted August 11, 2023 Author Share Posted August 11, 2023 13 hours ago, HughF said: Let a local uPVC firm fit windows for you? Hmmmmm…… not in my house 🤣 Why? Bad experience? I could try to fit a window myself but not the doors. Too heavy. Link to comment Share on other sites More sharing options...
HughF Posted August 11, 2023 Share Posted August 11, 2023 5 hours ago, JohnBishop said: Why? Bad experience? I could try to fit a window myself but not the doors. Too heavy. Shocking experience….. bunch of cowboys who will measure an inch smaller all round so they don’t have to spend any time hacking off render, then they cover it all up with shitty trims… 1 Link to comment Share on other sites More sharing options...
joe90 Posted August 11, 2023 Share Posted August 11, 2023 1 minute ago, HughF said: Shocking experience….. bunch of cowboys who will measure an inch smaller all round so they don’t have to spend any time hacking off render, then they cover it all up with shitty trims… I would suggest however not all workers are the same, tar and brush? Link to comment Share on other sites More sharing options...
HughF Posted August 11, 2023 Share Posted August 11, 2023 6 minutes ago, joe90 said: I would suggest however not all workers are the same, tar and brush? Probably, but that’s my choice and I’m sticking with it 🤣 Link to comment Share on other sites More sharing options...
JohnBishop Posted August 11, 2023 Author Share Posted August 11, 2023 42 minutes ago, HughF said: Shocking experience….. bunch of cowboys who will measure an inch smaller all round so they don’t have to spend any time hacking off render, then they cover it all up with shitty trims… thanks for pointing this out because if I don't know this stuff then I have to look at these trims as you said. By the way what glass filters do you recommend? Should I just go clear glass? Also are there any like fly/mosquito screen doors system like they have in US? I reckon the hinges would be together with the main door frame. Link to comment Share on other sites More sharing options...
JohnBishop Posted August 21, 2023 Author Share Posted August 21, 2023 Have you come across any hinges that could be added / mounted to the door frame so such fly/mosquito screen doors can be installed rather than adding them post door installation? Link to comment Share on other sites More sharing options...
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