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Epiclad FBS (EPDM Fleece-Backed System) Rubber Waterproofing Membrane
Description

Viking Epiclad FBS (fleece-backed system) is a roofing membrane where a 'fluffy' polyester layer is factory-laminated to the underside of the Viking Epiclad waterproofing membrane. Epiclad FBS is one of the best re-roofing solutions for overlaying over old bitumen or uneven substrates such as rough concrete. A specialised two-part foam adhesive is used to securely bond the membrane to the old roof, and the fleeced underside forgives its roughness; thus creating a lot smoother surface than before.

Epiclad FBS also saves labour time in up-lifting the existing membrane; avoids the environmental impact of waste disposal of the uplifted roofing materials; and minimises the disruption to building inhabitants who don’t have to be relocated.

Key Features
  • Water potability certified
  • UV resistant
  • Formulated to suit a wide range of climatic conditions
  • Impervious to heat ageing
  • Elongation breaking point
  • Pliable material
  • Can be painted with approved paint systems
  • Wide rolls up to 6.0m wide — fewer joins
  • Installed only by Viking Licensed Applicators
  • 20-year product warranty
  • BRANZ Appraised
Scope of Use

Viking Epiclad FBS Membrane has been appraised for use as a waterproofing membrane for buildings within the following scope:

  • scope limitations of NZBC Acceptable Solution E2/AS1, paragraph 1.1; and,
  • with timber supporting structures designed and constructed in accordance with the NZBC; and,
  • with nominally flat or pitched roofs constructed to drain water to gutters and drain outlets complying with NZBC; and,
  • with substrates of plywood sheet.

Viking Epiclad FBS Membrane has also been appraised for use as a waterproofing membrane for external reinforced concrete and plywood roofs and decks for buildings within the following scope:

  • up to 3 storeys with a maximum height from ground to eaves of 10m and with a floor plan area limited only by seismic and structural control joints; and,
  • with the reinforced concrete structure designed and constructed in accordance with the NZBC; and,
  • with timber supporting structures designed and constructed in accordance with the NZBC; and,
  • with nominally flat, curved or pitched roofs constructed to drain water to gutters and drain outlets complying with NZBC.

This Viking Epiclad FBS BRANZ Appraisal is limited to roofs and decks within the following scope:

  • constructed to suitable falls (refer paragraph 12.1 - 12.9 of the Viking Epiclad FBS Membrane BRANZ Appraisal); and,
  • with no steps within a deck level, no integral roof gardens and no down pipe discharging directly onto a deck.

The design and construction of the substrate and movement of 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.

 

Limitations on Use

Viking Epiclad FBS Membrane cna only be installed by Viking Licensed Installers.

Statement of Building Code Compliance
  • Clause B1 STRUCTURE: Performance B1.3.1. Viking Epiclad FBS Membrane System meets this requirement.
  • Clause B2 DURABILITY: Performance B2.3.1 (b) 15 years. Viking Epiclad FBS Membrane System meets this requirement. See paragraph 9.1 of the Viking Epiclad FBS BRANZ Appraisal.
  • Clause E2 EXTERNAL MOISTURE: Performance E2.3.1 and E2.3.2. Roofs, decks, balconies, parapets and gutters incorporating Viking Epiclad FBS Membrane System meet these requirements. See paragraphs 12.1 - 12.9 of the Viking Epiclad FBS BRANZ Appraisal.
  • Clause F2 HAZARDOUS BUILDING MATERIALS: Performance F2.3.1. Viking Epiclad FBS Membrane System meets this requirement and will not present a health hazard to people.
Other Performance Attributes
  • BRANZ Appraised (No. 307, 2013);
  • Backed by a 20-year product warranty, and project depending, may be eligible for Viking's Full System Warranty, which covers the product and installation warranties in one document;
  • It can be painted with approved paint systems - design flexibility.
BRANZ Appraised
BRANZ Appraised
Documents
Viking Epiclad PTS
Viking Epiclad PDS
Viking Epiclad / Butylclad Details & Documents
CAD/PDF Details
Butylclad and Epiclad Details Full Set .PDF

For over 50 years, Viking Roofspec have supplied roofing and waterproofing materials, and combining leading-edge function with design flair to keep water out — for good.

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