Johns Manville is widely recognised as one of the world's foremost suppliers of single ply roofing membrane, Allco has selected the JM TPO for their Cold Roof solution due to its superior UV and Ozone resistance and its impressive environmental credentials.
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Suitable for use in the following locations:
- In wind zones:
- Up to and including Extra High as defined by NZS 3604:2011.
- Where specifically designed up to (ULS) 3.0kPa.
- In all climate zones as defined by NZS-3604:2011.
- Up to and including Extra High as defined by NZS 3604:2011.
- Where specifically designed up to (ULS) 3.0kPa.
Suitable for the following buildings:
- On new buildings that have been designed and constructed to comply with the NZ Building Code (NZBC), particularly B1 (structure) as it relates to the construction of the substrate and substrate framing and E2.3.1 (surface water run off) as it relates to the shedding of water.
- On existing buildings where the designer and applicator have ascertained that the existing building is suitable for the intended building work.
On the following substrates that incorporate a slope between 1.150 (1:50) 2.30 - 1.150 (1:25), or gutters at with a 0.5° (1:100) fall:
- H3.2, CCA treated structural plywood
- In situ reinforced concrete
- Pre-fabricated concrete panels
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