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StoStucco Plaster Cavity System

Abbreviation
Appraisal number 605
Amendment
11/11/2015
Valid from
29/04/2008

Information provider
´╗┐BRANZ Limited
Information type
BRANZ Appraisal
Format
PDF

Description

The StoStucco Plaster Cavity System is a cavity-based monolithic plaster wall cladding. It is designed to be used as an external wall cladding system for residential and light commercial type buildings where domestic construction techniques are used.

The system consists of a stainless steel lath fixed over timber battens to form the cavity. The coating system consists of an approximate 18 mm thick polystyrene bead saturated, polymer-modified, cement-based plaster applied to the lath, an approximate 2.5 mm thick coat of mesh reinforced plaster, and an approximate 1-3 mm thick coat of finish plaster. The plaster is then finished with a 100% acrylic exterior paint system. The top coat plasters can be finished to give different texture appearances.

The system incorporates a primary and secondary means of weather resistance (first and second line of defence) against water penetration by separating the cladding from the external wall framing with a nominal 20 mm wide cavity.

Scope

The StoStucco Plaster Cavity System has been appraised as an external wall cladding system for buildings within the following scope:

  • the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1; and,
  • constructed with timber framing complying with the NZBC; and,
  • with a risk score of 0-20, calculated in accordance with NZBC Acceptable Solution E2/AS1, Table 2; and,
  • situated in NZS 3604 Wind Zones up to, and including Extra High'.

The StoStucco Plaster Cavity System has also been appraised for weathertightness and structural wind loading when used as an external wall cladding system for buildings within the following scope:

  • the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1; and,
  • constructed with timber framing complying with the NZBC; and,
  • situated in specific design wind pressures up to a maximum design differential ultimate limit state (ULS) of 2.5 kPa.

The StoStucco Plaster Cavity System must only be installed on vertical surfaces (except for tops of parapets, sills and balustrades, which must have a minimum 10 slope and be waterproofed in accordance with the Technical Literature).

The system is appraised for use with aluminium window and door joinery that is installed with vertical jambs and horizontal heads and sills. (It is expected that the joinery will meet the requirements of NZS 4211 for the relevant Wind Zone, or wind pressure.)

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This resource is not cited by any other resources.

StoStucco Plaster Cavity System

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StoStucco Plaster Cavity System

Description

The StoStucco Plaster Cavity System is a cavity-based monolithic plaster wall cladding. It is designed to be used as an external wall cladding system for residential and light commercial type buildings where domestic construction techniques are used.

The system consists of a stainless steel lath fixed over timber battens to form the cavity. The coating system consists of an approximate 18 mm thick polystyrene bead saturated, polymer-modified, cement-based plaster applied to the lath, an approximate 2.5 mm thick coat of mesh reinforced plaster, and an approximate 1-3 mm thick coat of finish plaster. The plaster is then finished with a 100% acrylic exterior paint system. The top coat plasters can be finished to give different texture appearances.

The system incorporates a primary and secondary means of weather resistance (first and second line of defence) against water penetration by separating the cladding from the external wall framing with a nominal 20 mm wide cavity.

View on Information Provider website Download this resource (PDF, 275KB)
StoStucco Plaster Cavity System
Description

The StoStucco Plaster Cavity System is a cavity-based monolithic plaster wall cladding. It is designed to be used as an external wall cladding system for residential and light commercial type buildings where domestic construction techniques are used.

The system consists of a stainless steel lath fixed over timber battens to form the cavity. The coating system consists of an approximate 18 mm thick polystyrene bead saturated, polymer-modified, cement-based plaster applied to the lath, an approximate 2.5 mm thick coat of mesh reinforced plaster, and an approximate 1-3 mm thick coat of finish plaster. The plaster is then finished with a 100% acrylic exterior paint system. The top coat plasters can be finished to give different texture appearances.

The system incorporates a primary and secondary means of weather resistance (first and second line of defence) against water penetration by separating the cladding from the external wall framing with a nominal 20 mm wide cavity.

View on Information Provider website Download this resource (PDF, 275KB)
This resource does not cite any other resources.

StoStucco Plaster Cavity System

This resource does not CITE any other resources.
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