You are using an outdated browser version not supported by this website.
Click here to upgrade your browser

InteriorInterior
TESCON EXTORA Multi-Purpose Weathertightness Sealing Tape
Description

TESCON EXTORA is a multi-purpose weathertightness sealing tape for windproof and weathertight sealing.

Available as:

  • Wall sealing tape — for use with SOLITEX,EXTASANA and other weathertightness layers.
  • Roof sealing tape — for sealing the overlapping of roof underlays. eg SOLITEX MENTO

TESCON EXTORA roll sizes 60mm, 100mm, 150mm and 200mm wide and 30m long.

Key Features
  • Waterproof from the outside
  • Can be applied to wet surfaces
  • Very high adhesion on cold surfaces 
  • Diffusion open 
  • Easy to cut 
  • Highly UV stabilised 
  • Thin and flexible
Declare LBC Red List Free
Declare LBC Red List Free
Scope of Use

TESCON EXTORA Sealing Tape has been appraised by BRANZ as a flashing tape for use around the head and jambs of window and door joinery openings for buildings within the following scope:

  • the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1; and,
  • with a risk score of 0-20, calculated in accordance with NZBC Acceptable Solution E2/AS1, Table 2; and,
  • with wall cladding systems complying with NZBC Acceptable Solution E2/AS1 or a valid BRANZ Appraisal that specifies a flexible flashing system; and,
  • with a compatible flexible wall underlay fixed directly to the framing or over-fixed over a rigid wall underlay; and,
  • situated in NZS 3604 Wind Zones up to, and including, Extra High.

TESCON EXTORA Sealing Tape has also been appraised as a joint-sealing tape for rigid wall underlays [fibre cement sheet and H3.2 treated plywood In accordance with NZBC Acceptable Solution E2/AS1] which are over-fixed with a flexible wall underlay in accordance with NZBC Acceptable Solution E2/AS1, Paragraph 9.1.7.2 on buildings within the following scope:

  • the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1; and,
  • with a risk score of 0-20, calculated in accordance with NZBC Acceptable Solution E2/AS1, Table 2; and,
  • with wall cladding systems complying with NZBC Acceptable Solution E2/AS1 or a valid BRANZ Appraisal; and,
  • situated In NZS 3604 Wind Zones up to, and including, Extra High.
Statement of Building Code Compliance

In the opinion of BRANZ, TESCON EXTORA Sealing Tape, if designed, used, installed and maintained in accordance with the statements and conditions of BRANZ Appraisal 838 (2013), will meet or contribute to meeting the following provisions of the NZBC:

  • Clause B2 DURABILITY: Performance B2.3.1 [b], 15 years and B2.3.2. TESCON EXTORA Sealing Tape meets these requirements. See Paragraphs 8.1 and 8.2.
  • Clause E2 EXTERNAL MOISTURE: Performance E2.3.2.TESCON EXTORA Sealing Tape contributes to meeting this requirement. See Paragraphs 7.1- 7.5 and 11.1 - 11.5.
  • Clause F2 HAZARDOUS BUILDING MATERIALS: Performance F2.3.1. TESCON EXTORA Sealing Tape meets this requirement and will not present a health hazard to people.
BRANZ Appraised
BRANZ Appraised
Documents
Data Sheet
Safety Data Sheet
BRANZ Appraisal 838

838 (2019)

Red List Free Confirmation letter

December 2024

Specification Clause/Guide
Installation and Operation
Adhesion Technology
Warranty
NZ Study on Airtightness and Moisture Management
Product Catalogue
Pricing
Declare
Wall Underlay (SOLITEX EXTASANA)

pro clima are a leading manufacturer of air and weather tightness patented building systems, providing healthy, energy efficient and sustainable environments.

Product Enquiries

News from pro clima

Pro Clima New Zealand Celebrates 20 Years of INTELLO with Documentary Series
Durability vs Warranty
Unpack Building Code Compliance with the Pro Clima Knowledge Zone Series

Posts by Pro Clima Technical

See All


Get a free weekly digest of essential news

New and updated architectural products, design solutions, inspiration, technical advice and more when you sign up for EBOSS.