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| Sun Room | |
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| Topic Started: Sep 13 2014, 04:57 PM (1,640 Views) | |
| wildie | Nov 5 2014, 09:23 AM Post #61 |
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Veteran Member
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Shrink wrap on the inside would be akin to having triple glaze. if you can see the wrap bulging in and out, this is a sign of infiltration, rather than direct transmission of heat. As was stated in an earlier post, having the panes close together limits convection currents. I would think that stopping infiltration and convection would be the greatest advantage. As for direct heat loss, not so much! |
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| Trotsky | Nov 8 2014, 06:21 AM Post #62 |
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Big City Boy
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Actually it would be a LOT better because it would negate the miserable effect of conduction through metal window frames. Probably the R value of steel must be close to zero and aluminum even worse. laugh123 True about the bulge, but a good hard bulge means the air that would be getting in otherwise ISN'T. (We get a good tight bulge on our AC in Winter...but this year we are going to opt for the fresh air instead. Seal too tightly and all the people die. :badcold5qz and who wants to smell November's fart in December? When you've once seen a large double glazed $500 window with a 2 inch block of ice connecting the bottom of the window with the sill, INSIDE, you quickly get the idea of the weak point of even quadruple glazed windows. (Even the ICE is a better insulator than the window frame. laugh123 ) Here's a corollary: We had one piece heat pumps through the wall in the last joint. Of course they worked as heat pumps about 5% of the Winter and then switched to resistance heating at the first cold breeze. That's life. BUT the thing was in a steel box, natch, that was half in and half out of the apartment. Not rocket science to realize that the steel was rapidly conducting heat OUT of out apartment even if the unit was off and heating the air of Jersey City all Winter. The logic must be: "You know, we can make these units much cheaper if we designed them so they didn't actually work...WOW, the boss will LOVE to hear that!" Edited by Trotsky, Nov 8 2014, 06:24 AM.
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| Trotsky | Mar 8 2015, 03:01 AM Post #63 |
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Big City Boy
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So Delphi, How is the sun room doing in this frighteningly cold Winter? Is the stove doing the trick? Insulation adequate? Any retrofit ideas? Edited by Trotsky, Mar 8 2015, 03:01 AM.
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| Delphi51 | Jun 1 2015, 09:41 AM Post #64 |
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Member title
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The sun room was warm all winter. The little Yorkie thought he owned it and demanded DW go in and sit with him by the fire every morning. We had the lodge painters in for tea the other day. This is about the only house in town with no steps so they can visit easily. Posted Image The lodge's wheel chair lift deposited them on the grass and they drove their wheelchairs & walkers right in - no problem, except a front wheel drive job spun out on the mat inside the door. About ten of them enjoyed sitting in the sun room for a couple of hours. Eventually there will be a deck at door jam level that will also be flush with the lawn and sidewalk. Hopefully I will get all that done this summer. Note the soffit on the gable end and also in the ceiling of the overhang. I had a race getting that done with the bees trying to move in. I am currently working on a fence to close off the sun room end of the house from the street, making me and the dogs happy. The catch is I have to move two dirt piles before they get fenced in and do something useful with the dirt in the front yard damaged by street construction last summer. Some troubles this week. My one year old table saw quit. The instruction manual said the saw must go to visit a Bosch dealership every year (nearest one 500 km away in Edmonton) to have the motor brushes changed and an inspection done. So I figured it was the motor, confirmed when the switch was able to turn other things on but not the motor. The brushes looked great but sawdust prevented contact with their power connectors. My little wagon behind a garden tractor destroyed its wheel bearings. I hope I can buy new ones. Meanwhile, I am using the bearings from the old wheels that I replaced last spring after the tires failed. Whole wheels with tires and bearings were on sale for much less than I could get new tires for. I will be careful about oiling the bearings and keeping the loads smaller after this. We got roofers in to put metal roofing on the rest of the house, which exactly matches that on the sun room part of the roof. Posted Image Edited by Delphi51, Jun 1 2015, 09:52 AM.
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| Bitsy | Jun 1 2015, 10:00 AM Post #65 |
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Veteran Member
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It looks great, Delphi. It was lovely gesture inviting the lodge painters for tea; I know it was greatly appreciated. |
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| wildie | Jun 1 2015, 11:04 AM Post #66 |
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Veteran Member
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Do you not use roof venting in Alberta? Or are they on the far side and out of sight? |
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| swing | Jun 1 2015, 11:51 AM Post #67 |
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swing
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Yes we do, just had ours shingled and he put three new vents in that face the back yard thankfully, as they are big and super ugly! |
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| FuzzyO | Jun 1 2015, 12:10 PM Post #68 |
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So much work Delphi, but obviously well worth it! |
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| Kahu | Jun 1 2015, 01:57 PM Post #69 |
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It certainly looks like you all did a great job there! I've been dying to ask about the shrinkwrap. Trotsky mentions it going over windows to insulate the pane ... and in your photo I can see the shrinkwrap logo on the walls. Is it used as a layer beneath the final outer cladding, which you still have to complete. |
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| Delphi51 | Jun 1 2015, 02:34 PM Post #70 |
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Member title
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Thanks, Bitsy. Those ladies have been painting with DW and our daughter every Thursday morning for several years. The roofer asked me if I liked the whirligig vent and I said I thought it was useless. He agreed and suggested ridge venting all the way along. There is a gap between the ridge cap and the sheeting, which has a special material in it that is supposed to let air out but prevent snow from entering. There will also be a vent at each gable end, one with an exhaust fan. Kahu, the white wrap on the wood wall is called house wrap, Home Guard or Tyvek here. It is a very thin kind of plastic that is supposed to allow air and water vapour to flow through while stopping liquid water. If true, it would make a great raincoat. Anyway, it seems to be in the building code and is especially nice for slow builders like me, protecting the wood for a whole year. There is heavy plastic vapour barrier on the inside of the wall just under the Gib Board or Gip-roc. There will be vinyl plastic siding over the Tyvec one of these weeks. Here is a closeup of the logo: Posted Image Sorry, I put it on upside down and cand find a way to rate it on iPad. http://en.m.wikipedia.org/wiki/Tyvek Edited by Delphi51, Jun 1 2015, 02:50 PM.
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| Darcie | Jun 1 2015, 02:49 PM Post #71 |
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Skeptic
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That looks great Delphi, thanks for sharing the work and the finished product. |
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| Kahu | Jun 1 2015, 03:14 PM Post #72 |
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Thanks for that Delphi ... Tyvek is now part of the NZ Building codes too. We've had huge problems with leaky building construction here, as have home owners in BC have had too. We have much of our manufacturing capability shifted offshore to Australia where it doesn't rain as much, and where the UV rating is lower. BTW I see Tyvek has an excellent UV resistance, and can be left unclad for up to 60 days. Leaky homes crisis New Zealand also has the history of some imported uPVC windows and siding (cladding) that failed in a few short years. These products have been quite satisfactory in the countries they were formulated for, but in the harsh New Zealand climate with its high UV levels, they have failed. ... The National Institute of Water and Atmospheric Research undertook research to advise on the uPVC Specification so that it is appropriate for New Zealand conditions and will meet the requirements of the NZ Building Code. NIWA noted that, in New Zealand, the UV radiation is relatively more intense than at corresponding latitudes in the northern hemisphere. After downgrading the testing requirements to consider the generally milder NZ temperatures (compared to Europe), NIWA advised that the “Severe” test requirements of the EN Standard should be required. NIWA also noted that uPVC profiles that have been tested to comply only with the European Standards are not necessarily suitable for use in New Zealand. NIWA therefore recommends the addition of the “sunscreen” (Titanium Dioxide) into the formulation mix to protect the plastic. Source Link Edited by Kahu, Jun 1 2015, 03:16 PM.
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| Delphi51 | Jul 11 2015, 10:40 AM Post #73 |
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Member title
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I just read this thread again and the bit about UV tolerance caught my attention. The Tyvec on the gable end was exposed to the sun for more than a year with no sign of deterioration to it or the wood it covered. Very impressive! I was skeptical of it but I'm a believer now. I got the exhaust fan in that gable end today. It blows very well - I can feel the wind 12 feet below - and is quieter than I expected. It has a thermostat in the attic and a switch inside the sun room. I said to my southern BC cousin that we were suffering in 29 degree temps. She just answered it was 39 at her place. Edited by Delphi51, Jul 11 2015, 10:40 AM.
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| Kahu | Jul 11 2015, 12:42 PM Post #74 |
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We could do with a bit of heat around here. It's currently 8.3°C outside with a misty rain ... nearly all week, now I think on it. We've had a real southerly blast of Antarctica along the eastern coast of the North Island and it has snowed right up to East Cape. Check out some pictures sent into us from a farm on Riverside Road, in Gisborne - taken the morning of some rare and heavy snow in the North Island. Locals have told WeatherWatch.co.nz this week that localised snowfall up the east coast of the North Island has been the heaviest and lowest in 30 to 60 years. Source Link |
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| Delphi51 | Jul 11 2015, 02:11 PM Post #75 |
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That looks delightful! I'm looking forward to winter. We are grateful for NZ rural firefighters arriving soon to fight Alberta forest fires. There is a bad one burning in Jasper National Park today - east of the Maligne Canyon. The town of Jasper is suffering heavy smoke. Most Alberta fires are north of us. The smoke isn't too bad here - can smell it but not taste it. |
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