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What size and type of rivets do I need to attach a 90mm plastic downpipe pop to a Colourbond gutter?

Politenessman
New Contributor

What size and type of rivets do I need to attach a 90mm plastic downpipe pop to a Colourbond gutter?

I'm planning on adding an extra downpipe to a standard domestic gutter, but I only want to do it once rather than have to come back and fix it later, so advice on the correct size and type of pop rivet would be appreciated.

Thanks.

EricL
Bunnings Team Member
Bunnings Team Member

Re: What size and type of rivets do I need to attach a 90mm plastic downpipe pop to a Colourbond ...

Hello @Politenessman

 

Welcome to the Bunnings Workshop community. It's marvellous to have you join us, and thank you for sharing your question about attaching a plastic gutter pop to your Colorbond gutter.

 

In this particular scenario, I suggest using an Abey Australia 75mm Round Standard Downpipe Pops. Using plastic on a metal galvanized surface is not recommended as the plastic will tend to warp in the intense heat of the sun causing it to form leaks. If you're using a 90mm PVC downpipe the 75mm galvanized metal pop is the correct one to use. It provides an air gap between the pipe and the pop preventing an air-lock from forming and causing your gutter to overflow.   

 

Once you've cut the hole for the pop, I suggest using Selleys 310g Roof And Gutter Silicone Sealant - Translucent to join them together. You can then blind rivet it in place using Otter 3.2 x 3.2mm Open Aluminium Blind Rivets - 25 Pack. Please remember to leave a 10mm gap between the gutter and the downpipe to facilitate airflow.

 

If you have any other questions about your gutter, please don't hesitate to post them.

 

If you need further assistance, please let us know.

 

Eric

 

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