Browse Forums Heating, Cooling & Insulation 1 Jan 08, 2017 8:25 am Hi all, We just built a home. At first we thought it is strange that the plan didn't include insulation for the garage. Now we regret that we should have included insulation. So, the door is made of aluminium i believe, and the house is facing west. What would be the steps to upgrade? Currently i think 1. Insulate the garage door 2. Change the garage door to lighter colour (currently we have dark blue) 3. Add insulation to garage roof and wall Questions are 1. Are the steps correct? 2. What kind of insulation should i install for the sliding door? What 'R' should i be looking for the insulation? 3. What kind of insulation should i install for the roof and wall? 4. I read about wood garage door is better for thermal, is it a lot of improvement? How much am i looking to spend to replace 2 cars garage door? (i haven't asked for a quote yet.) I'm not looking to use the garage for living, but the current garage is really hot after 11am. Thanks for any suggestions or comments beforehand. Re: How to cool down garage 2Jan 09, 2017 9:04 am i am assuming you have roller door would have to be replaced as they are not insulated a panel lift door would most likely be pvc insulated a whirly bird roof vent will help a lot insulate the roof is the ceiling lined flat or cathedral or no lining at all Re: How to cool down garage 3Jan 09, 2017 11:06 am Check out this link to see what I did http://anewhouse.com.au/2015/02/garage-door-insulation/ It made a big difference, especially as the door faced west, I also put glass wool insulation in the garage ceiling which helped the situation. The Harder You Try - the Luckier You Get ! Web site http://www.anewhouse.com.au Informative, Amusing, and Opinionated Blog - Over 600 posts on all aspects of building a new house. Re: How to cool down garage 4Jan 09, 2017 3:26 pm I found this: http://www.thermadoor.com.au/garage-door-insulation I am having a light coloured door and insulation for this reason - I have read somewhere that people were happy when they replaced a dark door with a lighter door. Good luck! My builder said you could get very expensive insulated garage doors. Re: How to cool down garage 5Jan 20, 2017 10:20 pm Search on Gumtree found a polystyrene supplier that will cut panels of polystyrene to suit garage door for $99. DIY. I am going down that track but will spray adhesive the inward facing polystyrene and attach reflective builders foil, silver facing inwards towards inside of garage to improve on just polystyrene. Anybody see a problem with that logic? Re: How to cool down garage 9Jan 22, 2017 7:39 am Polystyrene 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Re: How to cool down garage 11Jan 22, 2017 8:21 am Radiation [justify]Heat energy may be radiated across an air space and then be absorbed by another body. Radiant energy from the sun is an example where this energy may be absorbed as heat or reflected by roofs and walls even on cool days. Consider the options for controlling horizontal heat flow across a 50mm vertical air space in a wall. This chart shows the reduction of horizontal heat flow in a typical 50mm wall space.[/justify] [img=384x184]http://www.thermadoor.com.au/images/understanding-insulation.jpg[/img]What is (EPS) expanded polystyrene system It is a lightweight cellular material consisting of fine spherical shaped particles which are comprised of 98% air and 2% polystyrene. This air is trapped within a number of closed hollow cells in each particle. Copied and pasted from the Thermadoor web site. Re: How to cool down garage 13Feb 09, 2017 2:30 pm We have evaporative air conditioning and our garage has direct house access. When hubbie is working out there for extended periods, I just open the hose/garage door, close all windows and the cool air is directed to him. Works well. Re: How to cool down garage 14Feb 10, 2017 7:59 pm 40mm polystyrene has a value of around R1.0 to R1.2 which will help but will most likely only slow down the heat build up. Definitely insulate the ceiling with something around R5 (depending upon your location). Wall insulation should be if possible R2.5 but will be an expensive project to install. The reflective foil, unless it is facing a still air space (40mm), wont give you any benefit. Peter Clarkson - AusDesign Australia www.ausdesign.com.au This information is intended to provide general information only. It does not purport to be a comprehensive advice. Re: How to cool down garage 15Feb 11, 2017 5:51 am Thanks Peter, "40mm polystyrene has a value of around R1.0 to R1.2 which will help but will most likely only slow down the heat build up. Definitely insulate the ceiling with something around R5 (depending upon your location). Wall insulation should be if possible R2.5 but will be an expensive project to install. The reflective foil, unless it is facing a still air space (40mm), wont give you any benefit." I have ceiling insulated with R4. I have ALL garage walls insulated with R2.5. I have a high powered exhaust fan fitted to garage ceiling into ceiling space. I am adding the 40 or so mm polystyrene in the section door panels and was going to add the reflective foil to the outside of the polystyrene silver side facing the inside of the garage so foil then polystyrene then the metal garage door sectional panel. It is about as much as I can do I believe. My garage has eaves and faces East so my issue is between sunrise and about noon in summer only. Anything else I could do Peter to improve garage heat build up? Re: How to cool down garage 16Feb 13, 2017 7:44 am Sounds like you've got all bases covered. I assume the door has felt strips on the sides & a bottom seal. Possibly not practical but an air gap between the poly & the metal on the door would increase the thermal efficiency plus heat will readily transfer through any metal exposed to the inside. i.e. no thermal break in the frame. Peter Clarkson - AusDesign Australia www.ausdesign.com.au This information is intended to provide general information only. It does not purport to be a comprehensive advice. How long is a "long period"? For a few weeks, it should be ok. It also depends on the area you live in...I would let your neighbours know that you will be away too and… 1 28544 Hi HomeOne, I'm in the midst of landscaping a cat run down the side of my house, and the recent rains have me wondering if I need to install some sort of drainage. I've… 0 12208 Hi I live in a 100yr old semi and my neighbour added an additional floor last yr and our architect has advised that we can knock down our semi and build a free-standing… 0 37600 |