Expansion joints are a component in seamless rain gutter systems designed to protect the gutters from the effects of thermal expansion.
Expansion joint for gutters.
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It replaces the need to box the end of two adjoining gutters and also the need to form a bridge to span the boxed ends.
The biggest benefit other than ease of installation is that in the case of a blocked downpipe any water can flow across to the adjoining gutter eliminating flooding.
An expansion joint therefore should be located at a high point in the gutter as water will then flow away from the expansion joint rather than try to flow through it.
Made from 18 oz.
There are a couple of options when it comes to expansion joints in gutters.
Metal expands and contracts as temperatures change so expansion joints for half round gutters are an essential for gutter systems in extreme temperatures seasons.
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When a high point is not available a drain outlet must be included or added to the gutter system on the uphill side of the expansion joint.
This connector can be used to connect gutter to gutter gutters to mitres and gutters to ends with drops.
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5 6 and 7 6 gutter sizes.
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The expansion strip joint has been designed to install as an expansion joint for industrial box gutters.
Thermal expansion is the tendency for a material to expand and contract when exposed to changes in temperature.