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InteriorInterior
Small Diameter Roof Drains
Description

Durable long lasting fitting, ensuring a watertight building for years.

Key Features
  • Bronze base flange with o-ring seal for interior pipe fit.
  • Waterproofing membrane secured with clamp ring.
  • Offered in Flat, Domed, and Stainless Steel Overflow grate choices.
  • Removable grate for convenient down-pipe access without membrane disruption.
  • Flush-finished clamp ring with the membrane.
  • Suitable for pipe sizes: 50mm, 65mm, 80mm, and 100mm.
  • 88° side outlet available for 50mm and 65mm size.
  • Independently flow rate tested.
NZ Made
NZ Made
NZ-Owned Business
NZ-Owned Business
Scope of Use
  • Small diameter roof drains are designed to fit within internal guttering and spaces where a larger flange will struggle
  • The product can come as a domed roof drain, over flow (flat or domed) and with a flat grate should space be tight
  • Product has been 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, Allproof has been selling this revision of the product for over 10 years.

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

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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