Permaphalt Mastic Asphalt Green Roof Waterproofing System
- Abbreviation
- Appraisal number 1056 (2019)
- Amendment
- 06/08/2021
- Valid from
- 14/03/2019
- Information provider
- BRANZ Limited
- Information type
- BRANZ Appraisal
- Format
Description
Permaphalt Mastic Asphalt Green Roof Waterproofing System is a polymer modified bitumen mastic asphalt green roof for concrete roof structures incorporating Permaphalt Mastic Asphalt.
Scope
Permaphalt Mastic Asphalt Green Roof Waterproofing System has been appraised for use as a green roof on buildings within the following scope:
- with substrates of suspended reinforced concrete; and,
- with each structure the subject of specific structural engineering and weathertightness design.
The design and construction of the substrate, movement and control joints is the responsibility of the building designer and building contractor.
The design and installation of the drainage board, filter sheet and ballast is the responsibility of the green roof contractor and is outside the scope of this Appraisal.
Permaphalt Mastic Asphalt Green Roof Waterproofing System must be installed by Neuchatel Limited approved applicators.