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The Allproof Industries Perimeter Drain is an "off the shelf" level threshold product that removes the process of boxing out and measuring. Simply butting the L-shaped channel up against the exterior footing of the building creates a surface to pour the concrete against. The specially designed grate for this system is made from Glass Filled Nylon (GFN) and created in a way that it can be trimmed down on site to fit varying widths around the exterior of the building. Other grate options can be made available with custom manufacturing.
Channels come in a standard length of one metre, 90° external and internal corner pieces that measure 300mm x 300mm are also available. The standard GFN grate that comes with this system is supplied in 500mm lengths.
This system has been designed to be fast, efficient and cost-effective due to reducing the need for custom manufacturing and providing a faster install process. This trouble-free and easy-to-install product is the future of threshold drainage.
The Perimeter Drain has been designed to use its own unique customisable GFN grate, should consistency with other exterior drainage be desired Allproof can custom manufacture stainless steel Wedge Wire and LAS grates to suit.
The perimeter Drain has been designed specifically to be fully E2 compliant.
Allproof Level threshold solutions are designed to allow level entry to the building and be fully compliant with New Zealand standards set out in Building Code E2, External Moisture.
The Perimeter Drain system creates a 200mm wide x 180mm high channel during the external concrete pour as per E2's requirements.
By supplying a 180mm deep channel the installer can create the '1:200 minimum fall along length of the channel towards a drainage outlet' keeping a 150mm deep channel at its shallowest point. Adjustable legs attached to the stainless steel frame can be set to provide a level entry on the surface.
Allproof supplies a range of E1-compliant pits and sumps to which the Perimeter Drain can be connected to complete the system.
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