Browse Forums Windows & Doors Re: Energy Report re: Glazing section 7Feb 03, 2019 9:54 pm 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: Energy Report re: Glazing section 14Feb 11, 2019 1:17 pm welcome "ECOECO" At 'EcoEco', we design windows, we design the best windows, we do it for you, so that when you’re happy we are happy. Tel. 1800 326 326 Re: Energy Report re: Glazing section 15Mar 03, 2019 3:56 pm ECOECO alexp79 ECOECO, how is it going with thermally broken frames? I remember you were planning to start supplying those too. Hi Alex We have a thermal break design. It rated no better than the non-broken design. I assume there is a breakeven in aluminium conductance and polyamide resistance, and our design crosses that point. Our current design contains the warm edge spacer, but it is not reported in WERS yet. So our WERS values are overstated, by about 0.1-0.2 U, I intend to raise our standard to have argon as standard, so overall the improvement will be around 0.3-0.4U. What we are now designing is a window that will outperform even that, so where currently we have EcoTech at say clear glass Uw 3.1 (4/12/4) with low-e 2.2, the new window will be 0.4U better than that. This new window should be available in September. Do you offer UPVC windows as well? What are the pros and cons say vs the aluminium offering ? Thanks in advance. Re: Energy Report re: Glazing section 16Mar 06, 2019 12:06 pm We used to supply uPVC only, but then we had problems associated with heat expansion of sashes and opening panels and the would catch and bind. So when we introduced aluminium, we ceased supplying uPVC. My view on uPVC is that it suits mainly small windows. Although it is supposed to meet BAL 29, it actually melts at 170 Deg, C. Over time, uPVC becomes brittle, so that replacing glass is more difficult. There is a benefit in uPVC in terms of energy performance, but it not huge. I like aluminium, it is stable, strong and doesn't change with time. "ECOECO" At 'EcoEco', we design windows, we design the best windows, we do it for you, so that when you’re happy we are happy. Tel. 1800 326 326 Re: Energy Report re: Glazing section 18Mar 06, 2019 12:14 pm alexp79 There are also windows with aluminium outside and uPVC inside. Yes, and aluminium outside and timber inside... these are known as composite windows. Very expensive, but if you want the look, then no option. "ECOECO" At 'EcoEco', we design windows, we design the best windows, we do it for you, so that when you’re happy we are happy. Tel. 1800 326 326 This is one of the reasons I decided to go overseas for my double glazed windows. As the builder indicated, he's worked on many upmarket builds, these were the most well… 13 19225 For your reference Performance Labels: Window assemblies in housing, except timber windows, must be labelled so the label can be seen when it is in situ. For timber… 6 7711 go upvc window frames ensure insulation under colorbond. not just sarking, lighter color roof also not sure if you have seen this viewtopic.php?t=5823 last couple of pages… 4 110552 |