Trusted DuPont Tyvek System Protects School from the Elements

Adams Architects Limited, an Auckland based full design house who offer architectural, interior design and landscape design services and who specialise in education, commercial building and residential dwelling design, recently specified DuPont Tyvek to protect the enclosure of Mangere Central School, in South Auckland.

Kyle D'Mello, lead designer on the project, who has been involved with other high profile education projects including Mt Roskill Primary School and Massey Community House said, "Specifying DuPont Tyvek was an easy decision."

"Our firm endeavours to minimise risk for all involved on our projects by specifying proven, high performance products. DuPont is a 214 year old company. DuPont Tyvek HomeWrap has been installed on approximately 15 million buildings, behind different claddings and in different climates around the world since 1978. We know it is field tested over a long time period," said Kyle.

"In 2016, DuPont Tyvek also continues to have the best balance of performance properties necessary to effectively and efficiently protect the enclosure of buildings from moisture. Keeping air and water away from the framing, while letting internal vapour escape, is just as relevant today as it was back in 1978."

"DuPont Tyvek has proven to be an economical solution for protecting the enclosure of the schools we design and the contractors have been happy with the ease of installation," said Kyle.

Compatible DuPont Tyvek Weather Barrier System Products installed on Mangere Central School included:

DuPont Tyvek HomeWrap Wall Underlay: The most installed building underlay/wrap in the world. It is compatible with most wall claddings in cavity and direct fix applications. DuPont Tyvek HomeWrap can be exposed to UV for up to 120 days. This gives the contractor extra time if there are construction delays due to weather, labour shortage or problems with sourcing cladding materials.
DuPont Tyvek Contractor Tape for Underlay Overlaps: An acrylic seam tape engineered by DuPont to seal overlaps in the DuPont Tyvek building underlay. This helps maximise resistance to air and water infiltration. The tape also provides an easy way to repair any tears in the underlay that may occur during the construction process.
DuPont Flashing Tape for Window & Door Openings: A 100%, butyl rubber peel and stick adhesive tape used to protect window and door rough openings from moisture intrusion. It is compatible with most building materials including DuPont Tyvek HomeWrap and treated timber.

Other High Profile Projects protected with DuPont Tyvek building envelope products in recent months include:

Bob Scott Retirement Village, Petone (DuPont Tyvek HomeWrap Wall Underlay & DuPont Tyvek Contractor Tape)
Bupa Apollo Retirement Village, Mairangi Bay (DuPont Tyvek HomeWrap Wall Underlay & DuPont Tyvek Contractor Tape)
Observatory Retirement Village, Oamaru (DuPont Tyvek Supro Roof Underlay)
St Andrews Retirement Village and Care Home, Hamilton (DuPont Tyvek HomeWrap Wall Underlay & DuPont Tyvek Contractor Tape)
St Heliers Town Home Development, St Heliers (DuPont Tyvek HomeWrap Wall Underlay & DuPont Tyvek Contractor Tape, DuPont Flashing Tape for Windows, DuPont Supro Roof Underlay)
Mike Greer Homes Residential Development, Papakura (DuPont Tyvek HomeWrap Wall Underlay, DuPont Tyvek Contractor Tape, DuPont Flashing Tape for Windows, DuPont Tyvek Wrap Cap Fasteners to secure wall underlay)
Westgate Shopping Mall, Massey (DuPont Tyvek HomeWrap Wall Underlay & DuPont Tyvek Contractor Tape)

DuPont Flashing Tape

Tyvek

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DuPont Flashing Tape is window flashing tape, using a 100% butyl self adhesive.

Homestar / Green Star

LBC Red List Free

For a risk score between 0-20 in accordance with NZBC Acceptable solution E2/AS1, Table 2
Building Wind Zones up to and including Very High NZS3604:1999, Extra High if used over a Rigid Air Barrier
To seal around windows, doors and other wall penetrations as a secondary defence against water penetration
It is compatible with timber and steel framed buildings
It is compatible with most construction materials including concrete, wood, steel and synthetic wall underlays
Can be used in Rigid Air Barrier applications on ply and fibre cement substrates

Extra High Wind Zone

Specific Design Wind Zone

DuPont Flashing Tape when installed in accordance with the recommended guidelines will meet or contribute to meet the following provisions of NZBC:

NZBC Clause B2: Durability. Meets the requirement of NZBC B2.3.1 a) 50 years b) 15 years
NZBC Clause E2: External Moisture. Contributes to meet these requirements
NZBC Clause F2: Hazardous Building Materials. Meets this requirement and will not present a health hazard to people

DuPont Flashing Tape meet the requirements of Acceptable Solution to NZBC E2, and has a CodeMark Product Certification.

Durability

External Moisture

Hazardous Building Materials

CodeMark

DuPont Tyvek Contractor Tape

Tyvek

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DuPont Tyvek Contractor Tape is a key component of the DuPont Tyvek Weatherization System.

DuPont Tyvek Weatherization System
Can be installed in all wind zones including Extra High

Used in North America and Europe for over 20 years. In New Zealand for over 10 years.

DuPont Tyvek HomeWrap Wall Underlay

Tyvek

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DuPont Tyvek HomeWrap is a breathable, fire retardant, synthetic wall underlay.

Cavity:
- All cladding types with both timber and steel framing
- Rigid Air Barriers, (over-sheathed)
Direct fixed:
- With absorbent claddings such as timber, polyymeric cladding, plywood, gypsum fibre cement, brick wood, and stucco plaster on timber framing, or over thermal break on steel framing
- Rigid Air Barriers, (over-sheathed)

All cladding types with both timber and steel framing
Rigid Air Barriers, (over-sheathed)

With absorbent claddings such as timber, polyymeric cladding, plywood, gypsum fibre cement, brick wood, and stucco plaster on timber framing, or over thermal break on steel framing
Rigid Air Barriers, (over-sheathed)

DuPont Tyvek HomeWrap Wall Underlay:

Can be installed in all Wind Zones up to and including Very High, or Extra High if over a rigid air barrier
A non-directional wall underlay meaning the wrap can be installed upside down or inside out and performance will not be compromised
Resistant to most surfactants meaning it is suitable for use behind Cedar Cladding (endorsed by the Western Red Cedar Association)
Can be used in all New Zealand climate zones
Can be used in all seismic and corrosion zones

Corrosion Exposure Zone D

Very High Earthquake Zone

Low Wind Zone

Specific Design Wind Zone

Very High WInd Zone

As per CodeMark Certification, DuPont Tyvek HomeWrap, when installed in accordance with the recommended guidelines will meet or contribute to meet the following provisions of NZBC:

NZBC Clause B2: Durability. Meets the requirement of NZBC B2.3.1 a) 50 years and b) 15 years
NZBC Clause E2: External Moisture. Contributes to meet these requirements
NZBC Clause F2: Hazardous Building Materials. Meets this requirement and will not present a health hazard to people

DuPont Tyvek HomeWrap is an Acceptable Solution to NZBC E2/AS1

Durability

Protection from Fire

External Moisture

Internal Moisture

Hazardous Building Materials

Energy Efficiency

CodeMark

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