Description

TOPPS Application System – is an applied waterproofing membrane system used over existing external metal, asbestos, Modified Bitumen Roofing System, and concrete roofs

The TOPPS Application System consists of:

• Topps Seal® - Protective 100% synthetic thermoplastic roof coating.
• Topps Seal® Base Coat – is an all-rubber, elastomeric foundation layer and the following products for substrate preparation:
  • Polyprene® - is an all rubber, universal roof repair cement used for flashings, seams, pitch pans, cracks, splits and making various repairs on all roof types.
  • Seam/RivetGuard – is applied to keep roof seams and fasteners sealed.

Scope

The product is to be designed and installed in accordance with

1. The TOPPS Application System is certified for use on buildings:

• a. located in any exposure zone (as defined in NZS3604:2011) except microclimates.
• b. applied to the following substrates:
  • i. metal roofing;
  • ii. Modified Bitumen Roofing Systems;
  • iii. concrete;
  • iv. asbestos roofing;
• c. where the finished fall is not less than 1:80 for roofs, podiums and decks and not less than 1:100 for gutters;
• d. where it is subject to maintenance access, and pedestrian traffic only (excludes vehicular traffic).

2. The TOPPS Application System shall:

• a. be installed in accordance with the relevant installation manuals in the referenced documents below, after:
  • i. a site-specific design and assessment, including but not limited to, substrates, falls of surfaces and vertical upward termination heights, and
  • ii. an assessment of the structural suitability of the substrate to which the membrane is to be applied by licensed building practitioner. (This certification is for the membrane only.)
• b. be installed in accordance with the relevant installation manual as noted in Referenced documents below.
• c. be installed by a licensed building practitioner (roofing), trained, accredited and certified by Topps Products Australia;
• d. not be installed if the temperature is within 5 degrees of the dew point;
• e. not be permanently covered.