Any advice would be welcome.
Thanks
Here,s a site that may help you to chose the right type of window for your situation, and also has some comparison info ect.
[broken link removed]
sabre
There are many wood window manufacturers that produce windows that will last 20, 30, 40 years if they are well maintained.
Hi Sabre I had a read of that site and see it says
If Iroko is used to make your windows they could last 100 years, I can't help but wonder why the author didn't mention that fact since it's well documented.
Sabre I'm sure you as a joiner of long standing would agree with me here that if Iroko is used in windows and well maintained (painted every 5 to 7 years) they would last a 100 years.
Sorry sabre but you posted a link to a site with incomplete information and I thought it needed to be brought out.
Hope that clears up any confusion.
Please elaborate
sabre
There are many wood window manufacturers that produce windows that will last 20, 30, 40 years if they are well maintained.
As you are aware if windows are made from Iroko (and properly maintained) they will last up to and exceed 100 years of life.
Can you supply facts for that , or is that just your assumption. Thankyou.
the site you posted only said they would last 30 to 40 years and did not give proper info, what it said was
There are many wood window manufacturers that produce windows that will last 20, 30, 40 years if they are well maintained.
As I do not have access to the data which these figures are based on, I suspect that they are average lifespan, based on manufacturers supplied information. Similar to the National Association of Homebuilders Stats ( USA) methods posted below.
.this would to my mind give a very false impression that PVC and wood have the same life expectancy which is totally untrue as you well know
I have not inferred anything of the sort. I have supplied links to sites that may clarify things for the op.
Average life expectancies of house components.
sabre
WndowsLife in years
Here is the pdf link to the life expectancy of house components, page 18 has the stats on window life for wood, aluminium, and pvc.
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sabre
25. WINDOWS, SKYLIGHTS, & GLASS
Glass & Glazing Materials
Window Glazing 10+
Windows
Aluminum/Aluminus Clad 15-20
Wood 30+ Some parts of the window may have to be replaced, so lifespan
may vary.
Source: Polygal, Gallina USA, LLC, Allied Window
Here is an interesting comparative survey done on windows by the school of engineering in Edinburgh. By all accounts your Alu Clad windows fair very well. Pay particular attention to table 2 page 10, where the esimated service life of Aluminium, Pvc, Timber and Alu Clad windows are assessed. It seems Alu Clad comes out tops, according to these experts.
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sabre
LIFE CYCLE OF WINDOW MATERIALS - A COMPARATIVE ASSESSMENT
13
•
A survey analysis shows that aluminium and timber windows can easily last more
than 40 years. Al-clad timber being new on the market, is expected to have a
service life well over 40 years. PVC windows, in most cases, are reported to have
an optimum service life of 25 years.
•All frame materials deteriorate to various degrees by environmental impacts. PVC is sensitive towards heat and UV radiation. Timber if not frequently treated, can easily be affected by environment. Aluminium, if not protected well by coatings, gets damaged under corrosive conditions especially in coastal and industrial areas. Al-clad frames are unlikely to deteriorate due to their protective coatings and appear to be the best choice from this point of view.
From the same document
Regarding the lifespan of Iroko windows I read somewhere that Iroko lasts 100 years if properly looked after I can't find that info now.[/left]
Its funny, if you do a search on durability of iroko windows, this discussion pops up about Creative windows!
A deeper search finds this post where specifically, the expectation is that Iroko windows will last 100 years:
http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=2201
Not sure if you are trying to obtain of the shelf - I suggest you get ones made in iroko. I have some DG ones I designed in fairly exposed wet climate; perfect after 15 years and I expect them to last for a 100.
- funcrusher
- CommentTimeJul 24th 2008
Timber durability is like any of our bodies, expectancy has a lot to do with exposure, protection, maintenance & use. If you look after it, it will last longer.
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