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InteriorInterior
Large Diameter Roof Drains
Description

These durable, long-lasting large diameter roof drains are designed to ensure a watertight building for years.

Key Features
  • Cast bronze base with an internal o-ring seal for pipe insertion.
  • Waterproofing membrane secured with clamp ring.
  • Options include domed, flat, and SS overflow grates.
  • Removable grate facilitates easy downpipe access without membrane disruption.
  • The clamp ring features a flush finish with the membrane.
  • Suitable for pipe sizes 65mm to 200mm.
  • 88° Side outlet option available for 100mm pipes.
  • Independently flow rate tested.
NZ Made
NZ Made
NZ-Owned Business
NZ-Owned Business
Scope of Use
  • The product can come as a domed roof drain, overflow (flat or domed) and with a flat grate for use where space is tight
  • Designed to work with a membrane, either torch-on or liquid based.
Limitations on Use

To be installed as per published installation guides.

For commercial and/or residential applications. 

For use on flat roofs and internal gutter designs. 

Grate selection should be considered for installation scenario.

Statement of Building Code Compliance

NZBC E1 Surface Water. When selected and installed correctly Allproof roof drain and rainwater systems provide the appropriate solution for rainwater removal. The system includes overflows (E1.5.5) and downpipes (E1.4.0) compliant with all requirements in NZBC E1.

NZBC E2 External Moisture. Allproof roof drains are fully compatible with roofing membranes providing a sealed outlet for rainwater. Allproof roof drain outlets are designed and fully compliant with all specifications outlined in NZBC E2, specifically Figure 63 and Figure 64.

B2/AS1 Durability: B2.3.1 - Allproof roof drain systems meet the requirements of B2.3.1 (a) not less than 50 years, (b) not less than 15 years and (c) not less than 5 years.

In-Service History

This product is one of Allproof's original products, they have been selling this revision of the product for over 10 years.

It has been used in residential and commercial buildings for both private and public sector projects.

Independent Assessment
Independent Assessment
Test Results
Test Results
Documents
CAD/PDF Link
Installation Details
Product Warranty

0820

Brochure

A New Zealand owned company specialising in the manufacture of plumbing and drainage products and systems.

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