Will B Good Posted March 16, 2022 Share Posted March 16, 2022 2 hours ago, Encid said: So it is the passing wind that spins them aiding extraction! Link to comment Share on other sites More sharing options...
4MyEgo Posted March 16, 2022 Share Posted March 16, 2022 (edited) 1 hour ago, gamb00ler said: earlier post to mine has same content I like to think of it as adding air conditioning to a car, you can stay without it if you like, but when these whirly birds spin, they spin, that said, they extracts a lot of hot air which I don't want in my roof space. So it's a personal choice, and as I know they work for me, they suit me, I am not going to try and convince the die hard ones, let them be without them for all I care, I'm cool ???? Edited March 16, 2022 by 4MyEgo Link to comment Share on other sites More sharing options...
unheard Posted March 16, 2022 Share Posted March 16, 2022 15 minutes ago, Will B Good said: So it is the passing wind that spins them aiding extraction! Physics is so last century... Marketing Rules! 1 1 Link to comment Share on other sites More sharing options...
unheard Posted March 16, 2022 Share Posted March 16, 2022 5 minutes ago, 4MyEgo said: I like to think of it as adding air conditioning to a car, you can stay without it if you like, but when these whirly birds spin, they spin, that said, they extracts a lot of hot air which I don't want in my roof space. Viva Marketing! 1 Link to comment Share on other sites More sharing options...
Encid Posted March 16, 2022 Share Posted March 16, 2022 28 minutes ago, Will B Good said: So it is the passing wind that spins them aiding extraction! They do work as a static vent but they work so much better with wind assistance. Soffit vents (or air intakes) are just as important to facilitate extraction. The following video provides a good demonstration. 1 Link to comment Share on other sites More sharing options...
unheard Posted March 16, 2022 Share Posted March 16, 2022 3 minutes ago, Encid said: They do work as a static vent but they work so much better with wind assistance. Again, it's another marketing video, nicely produced I should add. I'm sure there are many more similar videos out there. Those videos never provide any evidence or anything of scientific value to back up their claims. Link to comment Share on other sites More sharing options...
Kwasaki Posted March 16, 2022 Share Posted March 16, 2022 (edited) 2 hours ago, sometimewoodworker said: Probably I should have addressed the post to @Will B Good since it seems he may have similar tiles to yours and not know about the cut insulation designed specifically for that style of ceiling. No problem the foil cover rolls from homemart at the time were the same width as our ceiling tiles. So no problems and the room is 4 X 8 and the rolls were 4 m. Edited March 16, 2022 by Kwasaki Link to comment Share on other sites More sharing options...
sometimewoodworker Posted March 16, 2022 Share Posted March 16, 2022 1 hour ago, Kwasaki said: No problem the foil cover rolls from homemart at the time were the same width as our ceiling tiles. So no problems and the room is 4 X 8 and the rolls were 4 m. Well it certainly can be a problem. In the case of my old ceiling it would have been impossible to roll any width of insulation or any length. This was because the wires holding up the metal grid that the panels sit in obstructed in both directions. This meant that the ONLY possible insulation had to be the size of the panel it was on top of. in our current house we have continuous ceilings so roll insulation works easily 1 Link to comment Share on other sites More sharing options...
gejohesch Posted March 17, 2022 Author Share Posted March 17, 2022 12 hours ago, Will B Good said: So it is the passing wind that spins them aiding extraction! Consequently, a full-of-beans diet is recommended? 2 Link to comment Share on other sites More sharing options...
Popular Post gejohesch Posted March 24, 2022 Author Popular Post Share Posted March 24, 2022 Days 5-6-7: Laying insulation batts; Laying Roofing Sheets Having talked a lot and in detail about the works on my roof, I will summarise these next 3 days with just 3 pics, showing how the insulation batts were laid. They fitted all in all quite well between the rails and wires that support the dropped ceiling. Obviously, there were a number of gaps. I had ordered the number of batt rolls sufficient to cover the ceiling, plus 10%. I think generally it’s safe and wise to estimate the amount of materials required for a given type of work, and add 5 to 10% to be sure to finish the work. As indeed I had a few rolls left after covering the ceiling, I had those extra rolls laid across the first layer in the places with the most gaps (Pics 14 and 15). Day 5 was a Saturday. As workers were taking Sunday off, I was a bit nervous with the roof being open and the occasional rains already coming. But the roof on the house itself was all in place by the end of that day. I went to take a pic under the roof now completed (Pic 16). What is certainly not usual is the steel structure of the old roof that we thought we better leave in place. I thought earlier that it had rusted quite a bit, but in fact it had been painted in a rusty red colour! All in all, I think the work looked clean enough, if maybe not 100% to western standards. In any case, we immediately noticed a clear improvement with the temperatures in the habitation underneath. A successful operation so far! Days 6 and 7, we started extending the roof to cover the internal courtyard that separates our 2 houses and which we use as an outdoors kitchen. 3 Link to comment Share on other sites More sharing options...
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