Mammoth Skillion
Roof Insulation

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Declare - Label - Mammoth

Mammoth skillion sections are designed to promote high thermal performance in modern skillion roof or flat roof designs.
High density, moisture-resistant sections are made from 100% polyester with a controlled loft to ensure the required 25mm air ventilation gap to the roof is always maintained.

They are Red List Free and allow a smooth crease-free friction-fit to enhance thermal performance.

Mammoth Skillion comes in two thicknesses; 115mm (R2.9) or 165mm (R3.2) depending on the climate zone and how much room has been specified for the ceiling cavity.

Technical Attributes Standard Test Result
New Zealand Building Code
Durability Clause B2.3.1 a) 15 years
Clause B2.3.1 b) 50 years
Ref: BRANZ Appraisal No 7971
Internal Moisture Clause E3.3.1 Ref: BRANZ Appraisal No 7971
Hazardous Building Materials Clause F2.3.1 Ref: BRANZ Appraisal No 7971
Energy Efficiency Clause H1.3.1(a)
Clause H1.3.2 E
Ref: BRANZ Appraisal No 7971
Product Safety
Non Toxic OSH Health and Safety Guidelines2 Polyester products are ‘non-toxic’
Non Irritant OSH Health and Safety Guidelines2 Polyester products are ‘non-irritant’
Respiratory Safe n/a Polyester fibres are non-respirable
Fire Test ISO9705 Group1S (R3.2 sections only)
AS/NZS60695.2.11 Passed – Glow wire flammability test
AS/NZS60695.11.5 Passed – Test flames (Needle-flame test)
VOC Emission Safe 3 Total VOC ≤ 0.5mg/m3 < 0.005mg/m3 – level below detection4
Formaldehyde ≤ 0.06mg/m3 < 0.009mg/m3 – level below detection
Glue Free Free from all glues
Non Corrosive AS/NZS4859.1 Materials composed entirely of polyester are regarded as non-corrosive and are exempt from testing. Alkalinity of pH 7.8
Vermin Resistant Not a food source for vermin (and not treated)

1 Meet or contribute to meeting these provisions when designed, used, installed and maintained in accordance with the statements and conditions of BRANZ Appraisal 797.
2 Occupational Safety and Health Service. Health and Safety Guidelines for the Selection and Safe Handling of Synthetic Mineral Fibres, Dept,of Labour, 1994.
3 Mammoth has been tested under ASTM D5116. Based on test results for a product with similar nominal weight.
4 All individual VOCs were less than their threshold limit values. Carcinogens and reproductive toxins were not identified as part of the VOCs.


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