NAoZ Posted December 1, 2020 Share Posted December 1, 2020 My room where Im staying is facing the south. Recently the weather was too good that the south and half of the west wall that gets direct sun light became very hot and radiating heat. I can feel that heat directly hitting my body in an air conditioned room. What would be an easy and not so expensive way to insulate this? Im not looking for anything permanent. Just something easy and temporary for the next year or two, that can be easily removed later on. Its on the 3rd floor and while I have access to the roof, I think insulating the interior is safer. Link to comment Share on other sites More sharing options...
Kwasaki Posted December 1, 2020 Share Posted December 1, 2020 50 mm thick polystyrene sheets fixed to battens on the internal wall. Cover polystyrene sheets with chipboard or plywood board. Decor optional, using curtains or paint finish paneled finish. Link to comment Share on other sites More sharing options...
NAoZ Posted December 1, 2020 Author Share Posted December 1, 2020 Im not familiar with materials but does polystyrene blocks this kind of radiation? Link to comment Share on other sites More sharing options...
sometimewoodworker Posted December 2, 2020 Share Posted December 2, 2020 10 hours ago, NAoZ said: My room where Im staying is facing the south. Recently the weather was too good that the south and half of the west wall that gets direct sun light became very hot and radiating heat. I can feel that heat directly hitting my body in an air conditioned room. What colour is the outside wall? You can get about a 10 degree drop with the correct white paint. Then insulting the inside will be more effective. 2 Link to comment Share on other sites More sharing options...
Popular Post cooked Posted December 2, 2020 Popular Post Share Posted December 2, 2020 4 hours ago, sometimewoodworker said: What colour is the outside wall? You can get about a 10 degree drop with the correct white paint. Then insulting the inside will be more effective. GREAT typo there. 1 2 Link to comment Share on other sites More sharing options...
NAoZ Posted December 2, 2020 Author Share Posted December 2, 2020 There is a metal fence covering the entire south side and not much space between the wall. Would be too much of a trouble to try to paint. The convection heat I can deal with, its the radiation I want to stop. Link to comment Share on other sites More sharing options...
sometimewoodworker Posted December 3, 2020 Share Posted December 3, 2020 (edited) 9 hours ago, NAoZ said: There is a metal fence covering the entire south side and not much space between the wall. Would be too much of a trouble to try to paint. The convection heat I can deal with, its the radiation I want to stop. The correct white paint reflects the radiant heat. An alternative on the inside wall is to use the foam with silver (actually aluminium) foil, commonly used under roofs. the foil is an excellent radiant barrier, don’t forget that the foil must face the room and can’t be painted or you loose the radiant barrier. Edited December 3, 2020 by sometimewoodworker Link to comment Share on other sites More sharing options...
NAoZ Posted December 3, 2020 Author Share Posted December 3, 2020 The aluminum form thing sounds good. Ill check it out. Link to comment Share on other sites More sharing options...
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