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78 posts

Master Geek


# 166153 4-Mar-2015 12:07
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Hi

Does anyone have recommendations for a reliable company that replaces aluminium ranchsliders?

Have a quote from Aluminium City in Penrose for 2000x3550 single glaze at $3577+gst and remove debris from site not included (does this mean they don't remove the old sliders?)

It's $2477 for the slider and $1100 installation costs; includes supply and installing of new joinery

Or is this quote reasonable?

I have no idea, it's for my elderly mums unit but I'll be paying for it!

Cheers

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150 posts

Master Geek


  # 1250937 4-Mar-2015 12:14
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When I was looking for some ranchsliders recently to replace a garage door I did some searching on TradeMe.  They had a few companies with good prices so might be worth a look on there for a competitive quote.

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Uber Geek

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  # 1250950 4-Mar-2015 12:30
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I've had an excellent experience with the guys from Rylock. http://www.rylock.co.nz/  

The pricing you have posted above looks about right based on my experience putting a ranch slider into the front of a garage 2 years ago.  Never hurts to have a second quote.




"4 wheels move the body.  2 wheels move the soul."

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448 posts

Ultimate Geek


  # 1251186 4-Mar-2015 17:08
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Can you still buy new single glazed ranch sliders? I think ours are near the end of their life, but I'm not a huge fan of double-glazing on nw windows (I like the heat inside to warm the place up). I thought the new building regs were that you have to go double-glazed? 




I help authors publish their books - DIYPublishing.co.nz

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  # 1251194 4-Mar-2015 17:13
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There is a company that refurbishes them, That maybe more cost effective

 

http://www.exceed.co.nz/




Mike
Retired IT Manager. 
The views stated in my posts are my personal views and not that of any other organisation.

 

There is no planet B

 

 


448 posts

Ultimate Geek


  # 1251195 4-Mar-2015 17:14
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KiwiNZ: There is a company that refurbishes them, That maybe more cost effective http://www.exceed.co.nz/
 

Thanks - will check them out 




I help authors publish their books - DIYPublishing.co.nz



78 posts

Master Geek


  # 1251198 4-Mar-2015 17:18
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Thanks for the feedback.

Might get that Exceed lot to give me a quote, too. :)

15172 posts

Uber Geek


  # 1251235 4-Mar-2015 18:12
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lissie: Can you still buy new single glazed ranch sliders? I think ours are near the end of their life, but I'm not a huge fan of double-glazing on nw windows (I like the heat inside to warm the place up). I thought the new building regs were that you have to go double-glazed? 


I don't think there is any requirement to use double glazing yet, although some regions may require them. You should contact your council. It may just be a case of replacing like for like, if they haven't failed prematurely due to weather tightness issues. But asking the council as to their requirements would be very wise, especially when it comes to reselling, as you don't want to be caught out.

 
 
 
 


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Uber Geek


  # 1251304 4-Mar-2015 20:07
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It should have double glazing as single glazing that will lose huge amounts of heat during winter. Aluminium joinery should be "thermally broken" too.

Rylock is Fletchers .

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Ultimate Geek

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  # 1251342 4-Mar-2015 21:03
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bfginger: It should have double glazing as single glazing that will lose huge amounts of heat during winter. Aluminium joinery should be "thermally broken" too.

Rylock is Fletchers .


Couldn't agree more it should be mandatory for double glazing these days.

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Uber Geek


  # 1251350 4-Mar-2015 21:09
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Laminated glass is superior to double glazing in the ranchslider scenario. Lamination for safety ie impact protection as well as UV and thermal benefits. Just saying.

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Uber Geek


  # 1251385 4-Mar-2015 22:16
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There are treatments to toughen glass into safety glass without requiring lamination although I thought it was possible to have laminate glass in a double glazing unit. I agree safety glass is a good practice for doors as children always run into them.
http://en.wikipedia.org/wiki/Toughened_glass
http://en.wikipedia.org/wiki/Laminated_glass

 

 

The main thermal benefit should be from the air gap optimally at or near to 12mm for double glazing. Ask them for a price on argon gas if you go double glazed. A single glazed thermally unbroken window/door of that size could lose up to 10kWh on a winter's day.

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Uber Geek


  # 1251616 5-Mar-2015 12:54
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bfginger: It should have double glazing as single glazing that will lose huge amounts of heat during winter. Aluminium joinery should be "thermally broken" too.

Rylock is Fletchers .


Thermally broken costs about 30 percent more. The main benefit is reduced condensation. Some profiles though don't have as much of a condensation problem as others. 

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Ultimate Geek


  # 1251689 5-Mar-2015 14:26
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In winter I have thermal backed curtains that i close - keeps the warm air in.  Plus when it's sunny the single glaze warms up the place much more than double glaze will. Plus I live next to the sea and I like to be able to hear it :-) 

I think double glazing has it's place - primarily on the south side of the house and in small bedrooms which may have a condensation problem. But a large open living area with opening windows really shouldn't have a condensation problem unless something odd is going on (like using an unvented gas heater). 

I think there is requirement for safety glass in doors - that seems reasonable to me. But double glazing - not so much




I help authors publish their books - DIYPublishing.co.nz

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Uber Geek


  # 1251728 5-Mar-2015 14:55
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I think you'll find that there's no option but to use toughened or safety glass, what is used and thickness of glass is dependent on size, placement of the door etc.  That goes for not just a complete replacement door, but for replacement of the glass panels.  Even windows over a certain size need to be at least laminated these days.  There's a flow chart / table showing the regulations on line somewhere - any glazier will have it.

As for the old-style single glazed plain glass ranch sliders, I still have scars from daggers of glass slicing my arm open, almost severing nerves/arteries.  One also went straight through my leather shoe and out the sole, between my big toe and next toe.  Very lucky - this was with double sliders normally open one side, someone left it open on the other side, I turned and walked into it - quite gently - and that was it - next few hours at A&E getting stitched up.
I'm also sitting on a leather sofa while I'm typing this, many panels of it were shredded by daggers of plate glass which fell as a large window unit basically exploded in the Feb 2011 Chch quake (while I was in the room).  The sofa has been repaired, and windows replaced with laminated glass.

As for double-glazing, there would be no requirement to double glaze a direct replacement of an existing single glazed door or window.  However, if the glazed area is larger than the old unit, then in theory it should be double glazed.  But unless the replacement is larger and needs consent (ie structural - requires a new lintel etc) nobody would probably care.  There are exceptions - for example a single-glazed window might be able to be fitted if desired for architectural reasons (ie a stained glass window), but to compensate for lack of thermal efficiency of the window, increased insulation may be used elsewhere so that the overall thermal efficiency of the house isn't compromised/meets code.  I expect to get that through consent would require expert design input - and serious $$$.

I won't argue about the advantages of double glazing, but there is one serious disadvantage.  The units have a finite life - as my next door neighbour has found out, a $25k cost to replace all double-glazed units about 20 years old - many were failing (internal condensation).  A conventional window lifespan is indefinite - subject to maintenance of the frame etc.  So the final calculation may not be as simple as subtracting energy cost saved over the additional cost of double glazing, though there is an intangible comfort factor (incl reduced noise).
If building or renovating - I'd be asking a lot of questions about durability/lifespan of the various systems available before stumping up with a serious amount of cash.  I'm not sure about the double glazed panels themselves, but there are some very dodgy operators (and no doubt many very good ones too) in the double-glazing/aluminium joinery business.

gzt

10913 posts

Uber Geek


  # 1251736 5-Mar-2015 15:06
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Don't know about the regs. Many slider systems have substantial air movement along the slider from external to internal. This may reduce some benefits of DG.

Personally like the sound reduction beneifts of DG increasingly needed as suburban density intensifies.

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