Shop - Casali APP


Casali APP


Key Features

  • Thermal operating range of -15°C/+130°C
  • Suitable for use in climate zone 1 and 2 (NZBC Climate Zones)
  • High elasticity
  • Excellent resistance to atmospheric ageing
  • Excellent joint seal and adhesion to any type of approved substrate
  • High resistance to mechanical and thermal stress
  • Used for more than 40 years in more than thirty countries
  • Compatible with EFVM testing.

BRANZ Appraisal No. 647 (2017)

The Allco Casali  APP (Atactic Polypropylene) membrane system is suitable for a wide range of two-layer waterproofing applications for residential and commercial roofing. Approved for use as a waterproofing system under trafficable surfaces.
Suitable for use in climate zone 1 and 2 (NZBC Climate Zones) Casali APP membrane system has a high resistance to mechanical and thermal stress. Dermafil® has BRANZ certification and has been used for over 30 years in more than thirty countries all over the world.

The Allco Casali APP torch on membrane’s are installed as a two-layer system with:

  • Dermaprimer solvent based primer. Low VOC options available on request.
  • Olympia 3mm Base sheet (Aderix 2.5mm S/A base sheet for ALLTHERM/ALLRITE systems)
  • Dermafil 4mm Cap sheet Finishes
  • Olympia 3mm Base sheet - Sand
  • Dermafil 4mm Cap sheet – Black, Grey (other colours available on request)

A bitumen-based compound modified with select polypropylene polymers (APP) and co-polymers, containing stabilised nonwoven polyester reinforcement.
A multi-functional system suited for a variety of applications, wide thermal operating range (-15°C/+130°C), adheres to different types of Allco approved substrates (reinforced concrete, plywood, roof cover boards.)
Displays consistent nominal thickness even after installation.

Laboratory Tested and Appraised by:

Lab Test Standard u.m. Dermabit
Extra 30160 (Base) Dermabit
Extra 43170
Thickness EN 1849-1 mm 3 4
Mass per unit area EN 1849-1 kg/m² 3 5.2
Ultimate tensile strength
– Resistance at break – Longitudinal EN 12311-1 N/5cm 700 850
– Resistance at break – Transversal EN 12311-1 N/5cm 600 650
– Elongation at break – Longitudinal EN 12311-1 % 40 40
– Elongation at break – Transversal EN 12311-1 % 40 40
Tearing Resistance
– Resistance at break – Longitudinal EN 12310-1 N 150 170
– Resistance at break – Transversal EN 12310-1 N 150 170
Flexibility at low temperatures EN 1109 °C -25 -20
Creeping at heat EN 1110 °C +150 +150
Thermal aging in air EN 1296 ∆ t°C 5 5
Reaction to fire EN 13501-1 BS 476 F.AC Rating F.AA Rating

Antipodean Apartments

Recently completed, this substantial inner-city residential development encompasses 160 apartments over 14 levels in the vibrant heart of Auckland’s CBD.

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ASB Building – North Wharf

In the ASB project, Casali features across the roof expanse of buildings 22 and 23

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Auckland Central Library

Auckland Central Library Roof required the refurbishment of existing flat-roof and green-roof installation to preserve the building.

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Auckland Zoo – East Asia Precinct

Auckland Zoo is the biggest Zoo in New Zealand. This project was apart of the Zoo’s 10-year re-development plan attempting to transform the zoo.

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Bellus Apartments


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Crest Apartments

The mix development of commercial space, townhouses and 5 levels apartment tower required a robust system of waterproofing for exposed to rain areas at both ground retail level and elevated apartment tower balconies.

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MacMurray Medical Centre

This cutting-edge private medical centre located in the Auckland suburb of Remuera was beautifully designed by Warren & Mahoney Architects to provide a relaxing patient experience, from the consultation suites to the operating rooms and recovery rooms.

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Rangitoto Avenue House

Remuera House is a stunning residential property, Allco’s Casali Torch On Membrane was the preferred choice for the roofing solution.

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Rose Garden Apartments

The Rose Garden Apartments, located at the heart of Auckland's North Shore, is an 800-apartment complex including a large basement garage. 

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St Cuthberts College – Tennis Courts

St Cuthbert’s College Tennis Courts was an addition to the school waterproofing installed by Sansom Construction Systems Ltd.

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