Permaphalt Mastic Asphalt Roof Waterproofing System

Abbreviation
Appraisal number 1019
Valid from
3/08/2018

Information provider
BRANZ Limited
Information type
BRANZ Appraisal
Format
PDF

Description

Permaphalt Mastic Asphalt Roof Waterproofing System is a polymer modified bitumen mastic asphalt for use as a waterproofing layer on a concrete substrate for roofs, decks, balconies and podiums.

Scope

Permaphalt Mastic Asphalt Roof Waterproofing System will be appraised as a roof, deck, balcony and podium waterproofing system on buildings within the following scope:

  • subject to specific structural and weathertightness design; and,
  • with substrates of suspended concrete slabs; and,
  • situated in specific design wind pressures up to a maximum design differential ultimate limit state (ULS) of 6 kPa; and,
  • with the weathertightness design of junctions for each specific structure being the responsibility of the building designer.

 
Roofs, decks, balconies and podiums with Permaphalt Mastic Asphalt Roof Waterproofing System must be designed and constructed in accordance with the following limitations:

  • roofs, decks, balconies and podiums constructed to drain water to gutters and drainage outlets complying with the NZBC; and,
  • with no steps within the deck level, no integral roof gardens and no downpipe direct discharge to decks.

 
The design and construction of the substrate, movement and control joints is specific to each building, and therefore the responsibility of the building designer and building contractor and is outside the scope of this Appraisal.
 
Permaphalt Mastic Asphalt Roof Waterproofing System must be installed by Neuchatel Limited trained installers.

For assistance with locating previous versions, please contact the information provider.
View on Information Provider website Download this resource (PDF, 184KB)
For assistance with locating previous versions, please contact the information provider.
This resource is not cited by any other resources.

Permaphalt Mastic Asphalt Roof Waterproofing System

This document is not CITED BY any other resources:

Permaphalt Mastic Asphalt Roof Waterproofing System

Description

Permaphalt Mastic Asphalt Roof Waterproofing System is a polymer modified bitumen mastic asphalt for use as a waterproofing layer on a concrete substrate for roofs, decks, balconies and podiums.

View on Information Provider website Download this resource (PDF, 184KB)
Permaphalt Mastic Asphalt Roof Waterproofing System
Description

Permaphalt Mastic Asphalt Roof Waterproofing System is a polymer modified bitumen mastic asphalt for use as a waterproofing layer on a concrete substrate for roofs, decks, balconies and podiums.

View on Information Provider website Download this resource (PDF, 184KB)
This resource does not cite any other resources.

Permaphalt Mastic Asphalt Roof Waterproofing System

This resource does not CITE any other resources.
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