Superhome Movement - Wanaka 12th Dec 2017

Posted by Phil on 8 December 2017 | Comments

We’d like to invite you to attend our second “Superhome Movement Talk – High Performance Windows, Airtightness and Leaky Buildings Syndrome Mk2”.


WHERE: Mitre10 Wanaka, 35 Plantation Road, Wanaka

WHEN: Tuesday, 12 December 2017


PRESENTER(S): Martin Ball (NK Windows) and Dale Smith (Sanctuary Building Supply Group - Siga)



Our guest presenter is Martin Ball who will provide a guided tour through Window and Door Technology, framing materials, glass and window positioning for superior performance.

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Summer holiday hours 2017/18

Posted by Phil on 28 November 2017 | Comments

Thurs 21 Dec - closed at midday

Fri 22 Dec - closed at midday

Mon 8 Jan - re-open (please phone to make a show room appointment 033443126)

Mon 15 Jan - re-open with full service

See our stand at the Home Ideas Centre, 37 Mandeville St (closed 23 Dec - 2 Jan)

Have a safe festive season from the team at NK Windows!

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Third Little Pig - high performance homes

Posted by Phil on 16 November 2017 | Comments

Third Little Pig Construction

High performance home builder Third Little Pig Construction builds better homes which are cheap to run, need very little heating, and more importantly, are warm, dry, and healthy. New Zealand has one of the world’s highest rates of childhood asthma and other respiratory conditions, and a lot of that comes down to the houses we live in.

Third Little Pig Construction founder and director Simon Wansbrough says while our government thinks the building code is fine, it’s only the minimum standard. “If you’re building a building code house, all you’re doing is building the worst possible house you’re allowed to build.”

To build a better home, the Third Little Pig team have identified a number of interrelated elements which all need to be included to create a healthy, high performance home.

The main components are insulation, airtightness, ventilation, and window placement. Third Little Pig uses more insulation, some of which is in the service cavity. This cavity ensures services don’t interrupt the airtight layer or create gaps in the insulation.

Once the frames are up, homes are traditionally wrapped around the outside to make it watertight. Third Little Pig adds a wrap on the inside of the frames as well, which is not only airtight but vapour retardant.

“Warm air indoors is at a higher pressure than the cold air outdoors, and it’s wet because you’ve been breathing, cooking, and showering inside. In order to equalise, the warm air gets pushed out through the wall,” says Simon.

“It gets stopped by the conventional building wrap on the outside of the frames, and that’s where it condensates, causing unhealthy mould.” While Third Little Pig’s internal wrap eliminates this problem, the warm wet air still needs somewhere to get out.

“A normal house will ventilate through leaks around the windows and walls, but the problem with this is that you also lose the heat out of your house. An airtight house like ours needs a mechanical ventilation system with a heat exchanger. The advantage of mechanically ventilating is with 90% efficiency, you get a constant flow of fresh air and retain the heat in your home.”

The last piece of the puzzle is the external windows and doors. “Aluminium attracts heat and sucks all the warmth outside. That then becomes your dew point and your aluminium framed windows will run with condensation.”

While thermally broken joinery will help to stop that, the main problem lies in the way we traditionally install windows in New Zealand. “The thermal break sits outside the line of insulation, in the cavity between the cladding and the house. “People spend thousands of dollars on thermally broken systems but they’re having very little effect because they’re in the wrong place.”

Third Little Pig has gone with thermally broken PVC tilt and turn windows, which are much more airtight than aluminium windows and they don’t lose heat through the frame. The company then recesses the window into the wall to align the thermal break with the insulation where it can actually have an effect.

All Third Little Pig Homes are computer modelled prior to building, so the home owner can see how the home is going to perform on thermal efficiency, how much heating it will require, and if it is going to need shade. “The results are different for every single site and every single home.” After the home is built, Third Little Pig tests all the systems are worki ng properly, and thermal images the home to see if there are any leaks that need fixing before the wall linings go on. Simon urges new home builders to think not just of what their new home will cost them to build, but what it will cost them to heat.


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Canterbury Home Show

Posted by on 4 September 2017 | Comments

Visit us at the Canterbury Home Show Fri 13 - Sun 15 October 2017
Open 10am - 5pm daily

Horncastle Arena - 55 Jack Hinton Drive, Addington

  • Adult - Online $6
  • Adult - On the Door $8
  • Seniors - $6
  • Child (U18) FREE

We look forward to seeing you there!

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Nelson Home and Garden Show 2017

Posted by on 31 August 2017 | Comments

Visit us at the Nelson Home and Garden Show Fri 29 Sept - Sun 1 Oct 2017

Saxton Stadium, Saxton Road, Nelson

  • Fri 29th 10am - 5pm
  • Sat 30th 10am - 5pm
  • Sun 1st 10am - 5pm

We look forward to seeing you there!

Our local representative will be then available for free measure and quotes!

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Timaru Home & Living Expo 2017

Posted by Phil on 31 August 2017 | Comments

Visit us at the Timaru Home & Living Expo, Fri 15 - Sun 17 September.

We'll be back in the area soon after to provide free measure and quotes.

Free entry!

Southern Trust Event Centre

  • Fri 15th 10am - 5pm
  • Sat 16th 10am - 5pm
  • Sun 17th 10am - 2pm

We look forward to seeing you there!

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Animation Gallery

Posted by Phil on 16 August 2017 | Comments

See our animation gallery showing various opening and configuration options. There are more to come soon!

We can build windows and doors in a wide range of sizes, configurations and colours. Those shown in the gallery are by no means exhaustive


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Passive House Open Days - Christchurch 17 & 18 June

Posted by Phil S on 1 June 2017 | Comments

This is a great opportunity to view a Passive House ...

131 Bishop St, St Albans, Saturday 17th June 1-4pm

No need to book. This house is under construction, so please wear hard shoes. Windows and doors manufactured and installed by NK Windows.


12 Rostraveor Place, Mairehau Sunday 18th June 1-3pm

No need to book. This house is under construction, so please wear hard shoes. Windows and doors manufactured by NK Windows (although won't be installed by mid June).


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NZ Asthma Rates - NZ Building Code

Posted by Phil on 9 May 2017 | Comments

It's surprising and disappointing that the poor NZ Building Code does not get mentioned in this article.

The NZ Building Code is a legal minimum standard and should be treated as such. It should not be treated as a target if you want to live in a comfortable and healthy home.

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