FITTING INSTRUCTIONS
Cast Iron Style Rainwater system Installation
AN EXPLODED VIEW OF A TYPICAL BRETT MARTIN
RAINWATER INSTALLATION
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HANDLING Brett Martin Rainwater systems are light in weight and are therefore easy to handle. As with all other quality materials, Rainwater components should be handled with due care at all times to avoid damage and preserve appearance. STORAGE All Rainwater components should be stored under conditions which will prevent damage and preserve appearance. Gutter sections, pipes and fittings should be kept in a cool dry store, with lengths of gutter and pipe stacked horizontally on a smooth, level and continuous base to avoid distortion. Stacks should not be more than 1.2m high to prevent overloading and damage to bottom layers in the stack. Where gutters, pipes or fittings are stored outdoors, leave all items in their packaging until sold or installed to maintain their original appearance. |
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GUTTER INSTALLATION |
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Installation of Downpipes
THE CAST IRON STYLE PIPES ARE SPECIALLY COATED TO PROVIDE THE ‘CAST’ EFFECT ON THE PIPES THAT CANNOT BE OBTAINED THROUGH THE NORMAL EXTRUSION MANUFACTURING PROCESS.
Although pipes are strong and resilient, as with any such plastic pipework, they can become distorted if stored or transported without care or adequate support. To eliminate any such circumstances affecting the systems appearance, Brett Martin recommends that intermediate pipe clips be used to ensure that pipe alignment is maintained, especially on uneven brickwork.

STEP 1
Using a plumbline from the centre of the gutter outlet or offset spigot, determine the position of the pipework to ensure a vertical alignment to the underground drainage system. To maximise the traditional appearance of the system, it is recommended that a shoe (code BR216LCI) is used to discharge the rainwater into the underground drainage system. (Fig. 1)
STEP 2
The socket of the pipe, (code BR2018LCI) is offered up to the gutter outlet, or relevant offset spigot, and positioned in line with the plumbline. The wall should be lightly marked at intervals to ensure correct alignment with the plumbline throughout the length of the installation.
STEP 3
Mark the wall, using the holes in the pipe socket lugs as guides, then drill, plug and fix the pipe, using the Brett Martin fixing packs, (code BRFP55CI), which contain 10No 55mm screws, plugs and washers.
STEP 4
Repeat until the last full length is fixed, ensuring in each case that the pipe socket is pushed fully onto the receiving pipe, and then retracted 5mm before the socket is fixed to the wall. This is especially important during cold weather installations and a requirement in the installation of all plastic pipework.
STEP 5
The lowest length of pipe is then cut to length to allow the shoe (code BR216LCI) to be positioned directly above the drainage connection.
It is recommended that intermediate pipe clips are used where uneven brickwork is encountered to help maintain alignment. Instructions are the same for 105mm dia pipework, using fixing packs BRFP75CI, which contain 75mm screws. Consideration must also be given to the expansion and contraction of the pipework during the installation process and for this system an allowance of 10mm is required.
For 68mm pipework it is essential that an expansion allowance of 5mm be made at each socket between pipe lengths, especially when fixing in cold temperatures and for 105mm pipework an allowance of 10mm must be made.
Simply push the pipe spigot fully into the receiving socket, mark the spigot and withdraw 5mm/10mm as required prior to fixing the socket to the wall.
Pipes as well as gutters, can easily be cut to size using a normal hacksaw, with any small adjustments simply made using a sharp blade.
A range of hoppers are offered, some of which can be adapted to include specific dates or designs as a costed option.
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