ARCHITECTS // BUILDERS
There are some important things to know regarding insulation and installing.
We encourage you to save yourself some time by having a look through the relevant material to get the best from your home insulation.
It is extremely important to be wary of electrical wiring. Take note where it is and ensure if cutting or stapling that you do so well clear of wires. If using electrical equipment (such as a stapler), use an RCD safety device.
Avoid pushing wiring forward against interior wall linings, as this can potentially be a hazard where people may put nails, etc into the walls. If you are retrofitting an old house, make sure there is no unsafe old, live wiring. You may need to get an electrician to check and clear any problems.
Keep insulation clear of hot devices or surfaces such as downlights and chimney flues. There are legal requirement specifications for this according to situation. Refer to the insulation compliance standards guide.
Most ceilings are not built to take any weight between rafters. If you accidentally step or kneel on the plasterboard you will fall through! A set of boards to lay across rafters and alternately shift along as you go may be a suitable solution.
It pays to check for whitetail spider infestation before crawling around in ceilings or underfloors. You may be able to tell by whether there are many other spiders about – if not, there could be whitetails (which eat the other spiders). If there is a concern you should wear protective skin covering clothing, or call in an exterminator.
Take care to check for hazardous objects –ﾠbroken glass; rusty nails sticking out; protruding pipes; things to bump your head on!... When working underfloors, it may be best to use mats to work on, or install ground cover sheeting first.
Please read or download NZS4246 which is the New Zealand standard for installing insulation..
There are requirements to stipulate safe and effective use and performance of insulation. These include specifications for the thickness R value you will need; clearance from downlights; climate zones; access to electrical and plumbing, etc. These standards are required to be met for building code compliance and they also ensure your home is insulated safely and most effectively.
Terra Lana is completely safe to handle, is non toxic and does not require breathing masks or protective clothing. Terra Lana Ceiling insulation, Wall insulation and underfloor insulation can be easily ripped to length by hand. If you need to cut across the grain, this can be done with a pair of wool shears or a sharp craft knife.
NEW ZEALAND BUILDING CODE CLIMATE ZONES
Insulation's effectiveness in restricting the flow of heat is measured by its R Value. The higher the material's R value, the greater the material's heat insulation effectiveness and slower the heat flow through it.
The New Zealand Building Code specifies minimum R values for our 3 climate zones, which broadly are:
ZONE 1 : The Thames-Coromandel and Franklin districts and all districts north of these.
ZONE 2 : All the North Island excluding zone 1.
ZONE 3 : The Taupo and Ruapehu districts and part of the Rangitikei district plus all of the South Island.
The requirements in each zone are set out in the New Zealand Building Code.
BRANZ (Building Research Association of New Zealand) has several checklists, worksheets and guidelines that can help you determine what R level insulation you need.
Design Navigator is another user friendly tool for establishing required R values.
Terra Lana insulation products are sold throughout New Zealand and can be purchased directly from Terra Lana or from your local building merchants:
HARDIE & THOMSON (contact details) » HARDIE & THOMSON »» CHRISTCHURCH1062 Colombo StreetEdgewareChristchurchNew Zealand 8014 Phone: (03) 366 4044Fax: (03) 379 1776Email: email@example.com Trading Hours:Monday - Friday: 7.30am - 5.00pmSaturday: 8.30am - 12.30pm
OTHER TERRA LANA PRODUCTS
For other Terra Lana products, such as Weed Mat, Grasstrike or Tuf Truk Furniture Blankets contact us directly.
For trade contact us directly.
If you would like the product installed, or want to take advantage of a subsidy (e.g Warm Up New Zealand: Healthy Homes), you can fill in our enquiry form or call us at 0800 485 262 for your local recommended installing company.
There are many companies around New Zealand offering installation services for home insulation. To get the most from your Terra Lana insulation, it is best to use a provider who knows all about Terra Lana insulation. Of course you'll also want to know you are getting a good deal – not just a cheap one – with professionals who know what they are doing and comply with quality and safety standards for insulation installation.
Terra Lana can recommend:
EnergySmart are insulation installing experts who have been at it since Noah stuffed wool in the ark ceiling.. They provide a free assessment service, and are qualified as EECA administrators (they can install for government subsidies from EECA's Warm Up New Zealand programme). You will receive a certificate of compliance and quality guarantee.
You may get 'Charlie' to do it cheaper, but we don't think you'll find better value with their efficient, professional and very competitive service.
Terra Lana offer a 50 year warranty » on all Terra Lana Wool blend insulation products.
|WALL||Stud Frame Walls (roll width 370mm for studs at 400mm centres)|
|R2.2||90 mm||2.60 m||7.7 m²||Y||22.90.370|
|R2.4||90 mm||2.60 m||6.7 m²||Y||24.90.370|
|R2.6||98 mm||2.60 m||6.7 m²||N||26.98.370|
|R3.2||140 mm||2.60 m||6.7 m²||Y||32.140.370|
|Stud Frame Walls (roll width at 570mm for studs at 600mm centres)|
|R2.2||90 mm||2.60 m||8.9 m²||Y||22.90.570|
|R2.4||90 mm||2.60 m||7.4 m²||Y||24.90.570|
|R2.6||98 mm||2.60 m||7.4 m²||N||26.98.570|
|R3.2||140 mm||2.60 m||7.4 m²||Y||32.140.570|
|Stud Frame Walls (roll width at 765mm for dwangs or nogs at 800mm centres)|
|R2.2||90 mm||4.00 m||6.1 m²||Y||22.90.775|
|R2.4||90 mm||4.00 m||6.1 m²||Y||24.90.775|
|R2.6||98 mm||4.00 m||6.1 m²||N||26.98.775|
|R3.2||140 mm||4.00 m||6.1 m²||Y||32.140.775|
|Masonry Wall (roll width at 570mm for strapping / battens at 600mm centres)|
|R1.0||40 mm||5.00 m||5.7 m²||N||10.40.570|
|R1.2||50 mm||5.00 m||5.7 m²||N||12.50.570|
|CEILING||Skillion Roof BLANKET Insulation (roll width at 570mm for rafters at 600mm centres). Allow 25mm airgap between insulation and building paper|
|R2.6||145 mm||4.00 m||9.1 m²||Y||26.145.570|
|R3.2||140 mm||2.60 m||7.4 m²||Y||32.140.570|
|R3.2||165 mm||4.00 m||9.1 m²||Y||32.165.570|
|R3.6||180 mm||3.50 m||8.0 m²||Y||36.180.570|
|R4.0||180 mm||3.50 m||8.0 m²||N||40.180.570|
|Skillion Roof SEGMENT Insulation (segment width at 570mm for rafters at 600mm centres). Allow 25mm airgap between insulation and building paper|
|R2.6||145 mm||1.20 m||8.9 m²||Y||26.145.570s|
|R3.2||140 mm||1.20 m||6.8 m²||Y||32.140.570s|
|R3.2||165 mm||1.20 m||8.9 m²||Y||32.165.570s|
|R3.6||180 mm||1.20 m||7.5 m²||Y||36.180.570s|
|R4.0||180 mm||1.20 m||6.8 m²||N||40.180.570s|
|Truss Roof BLANKET Insulation (roll width at 870mm for trusses at 900mm centres)|
|R1.9||105 mm||5.00 m||7.0 m²||Y||19.105.870|
|R2.6||145 mm||4.00 m||7.0 m²||Y||26.145.870|
|R3.2||165 mm||4.00 m||7.0 m²||Y||32.165.870|
|R3.6||180 mm||3.50 m||6.1 m²||Y||36.180.870|
|R4.0||180 mm||3.50 m||6.1 m²||N||40.180.870|
|Truss Roof SEGMENT Insulation (segment width 435mm for trusses at 900mm centres)|
|R2.6||145 mm||1.20 m||6.8 m²||Y||26.145.435s|
|R3.2||165 mm||1.20 m||6.8 m²||Y||32.165.435s|
|R3.6||180 mm||1.20 m||5.7 m²||Y||36.180.435s|
|R4.0||180 mm||1.20 m||5.7 m²||N||40.180.435s|
|Truss Roof Double Layer Ceiling (roll width at 870mm for trusses at 900mm centres)|
|R2.8||R1.4||R1.4||85 + 85 mm||6.00 m||2.6 m²||Y||28.170.870d|
|R3.2||R1.6||R1.6||100 + 100 mm||5.00 m||2.2 m²||Y||32.200.870d|
|R3.8||R1.9||R1.9||105 + 105 mm||5.00 m||4.4 m²||Y||38.210.870d|
|R4.5||R1.9||R2.6||105 + 145 mm||4.00 m||3.5 m²||Y||45.250.870d|
|R5.2||R2.6||R2.6||145 + 145 mm||4.00 m||3.5 m²||Y||52.290.870d|
|R6.4||R3.2||R3.2||165 + 165 mm||4.00 m||3.5 m²||Y||64.330.870d|
|R7.2||R3.6||R3.6||180 + 180 mm||3.50 m||3.0 m²||Y||72.360.870d|
|Underfloor (roll width at 460mm for joists up to 450mm centres)|
|R1.4||88 mm||5.50 m||5.1 m²||Y||U14.88.460|
|R1.6||98 mm||5.00 m||4.6 m²||N||U16.98.460|
|R1.8||100 mm||4.00 m||3.7 m²||Y||U18.100.460|
|R2.6||140 mm||4.00 m||7.4 m²||N||U26.140.460|
|Underfloor (roll width at 580mm for joists between 450mm and 570mm centres)|
|R1.4||88 mm||5.50 m||6.4 m²||Y||U14.88.580|
|R1.6||98 mm||5.00 m||5.8 m²||N||U16.98.580|
|R1.8||100 mm||4.00 m||4.6 m²||Y||U18.100.580|
|R2.6||140 mm||4.00 m||9.3 m²||N||U26.140.580|
|ACOU-STIC||CHATTERBLOCK® Acoustic Insulation (thermal rating R2.2, thickness 90mm)|
(studs 400mm centres)
|90 mm||2.60 m||7.7 m²||167 rayls||A22.90.370|
(studs 600mm centres)
|90 mm||2.60 m||8.9 m²||167 rayls||A22.90.570|
(joists 450mm centres)
|90 mm||4.00 m||6.7 m²||167 rayls||A22.90.420|