Gutters and downpipes

Coeur · Post by **Coeur** » Sat Apr 03, 2021 7:20 am

I'm replacing my house gutters as they have faded. The existing gutters and downpipes are Osma squareline with square downpipes. The downpipes are 61mm square.

Apart from Osma, does anyone else manufacture 61mm square downpipes? The vast majority are 65mm square

Or does anyone manufacture a downpipe fitting that converts 65mm square downpipe to 61m square downpipe?

I have searched online but can't find anything!

Thanks

London mike 61 · Post by **London mike 61** » Sat Apr 03, 2021 7:57 am

Gutter and down pipe aren’t that expensive, just replace the whole lot and in future if you get a leaky joint you can easily find a replacement.

Mike

Grendel · Post by **Grendel** » Sat Apr 03, 2021 8:12 am

Add to that , take it all down and stick it all on ebay. I did a job a few years ago where the owner wanted to change from black to brown ( i think) on a large bungalow. I took the old stuff down , put it on ebay and it soon went. Bit of extra profit on that job. If i remember correctly i got something like a third of the cost of the new gutters and downpipes back.

foy9999 · Post by **foy9999** » Mon Apr 05, 2021 12:25 am

Coeur wrote: ↑Sat Apr 03, 2021 7:20 am I'm replacing my house gutters as they have faded. The existing gutters and downpipes are Osma squareline with square downpipes. The downpipes are 61mm square.

Apart from Osma, does anyone else manufacture 61mm square downpipes? The vast majority are 65mm square

Or does anyone manufacture a downpipe fitting that converts 65mm square downpipe to 61m square downpipe?

I have searched online but can't find anything!

Thanks

I do a lot of gutter repair work and it is frustrating when you find obsolete systems and can't find suitable bits.

Is the old Osma stuff listed as 61mm or is that your measurement? Have you compared it to any 65mm stuff?

Sometimes measurements aren't taken where you'd expect them to be. I bought Brett Martin gutter last year and the 65mm square-line stuff fitted to 68mm running outlets...

foy9999 · Post by **foy9999** » Mon Apr 05, 2021 12:28 am

found this https://gutters.co.uk/products/copy-of- ... onnector-1

foy9999 · Post by **foy9999** » Mon Apr 05, 2021 12:34 am

or here's the 62mm downpipe and you wouldn't need an adapter https://gutters.co.uk/products/copy-of- ... ipe-4mtr-1

am not clear on what you are trying to do: you want to put new gutters on and connect them to the existing downpipe? what gutters are you planning on using?

Coeur · Post by **Coeur** » Mon Apr 05, 2021 10:50 am

London mike 61 wrote: ↑Sat Apr 03, 2021 7:57 am Gutter and down pipe aren’t that expensive, just replace the whole lot and in future if you get a leaky joint you can easily find a replacement.

Mike

Unfortuately, the paving slabs on all the downpipes are tightly cut around the pipe. So I can't remove the old pipe and replace without cutting paving slabs and block paving.

Coeur · Post by **Coeur** » Mon Apr 05, 2021 10:53 am

foy9999 wrote: ↑Mon Apr 05, 2021 12:25 am
Coeur wrote: ↑Sat Apr 03, 2021 7:20 am I'm replacing my house gutters as they have faded. The existing gutters and downpipes are Osma squareline with square downpipes. The downpipes are 61mm square.

Apart from Osma, does anyone else manufacture 61mm square downpipes? The vast majority are 65mm square

Or does anyone manufacture a downpipe fitting that converts 65mm square downpipe to 61m square downpipe?

I have searched online but can't find anything!

Thanks
I do a lot of gutter repair work and it is frustrating when you find obsolete systems and can't find suitable bits.

Is the old Osma stuff listed as 61mm or is that your measurement? Have you compared it to any 65mm stuff?

Sometimes measurements aren't taken where you'd expect them to be. I bought Brett Martin gutter last year and the 65mm square-line stuff fitted to 68mm running outlets...

I bought a 65mm downpipe connector to test fit and it doesnot fit. The part of the connector that would normally go inside the downpipe is exactly the same size as the exisiting downpipe

Coeur · Post by **Coeur** » Mon Apr 05, 2021 10:55 am

London mike 61 wrote: ↑Sat Apr 03, 2021 7:57 am Gutter and down pipe aren’t that expensive, just replace the whole lot and in future if you get a leaky joint you can easily find a replacement.

Mike

The paving is cut tightly around the downpipe. So to replace the downpipe with 65mm downpipe I would need to lift and cut the paving slabs!

Coeur · Post by **Coeur** » Mon Apr 05, 2021 10:58 am

foy9999 wrote: ↑Mon Apr 05, 2021 12:34 am or here's the 62mm downpipe and you wouldn't need an adapter https://gutters.co.uk/products/copy-of- ... tr-1

am not clear on what you are trying to do: you want to put new gutters on and connect them to the existing downpipe? what gutters are you planning on using?

I'd like to increase the capacity of the gutters and then connect 65mm downpipe into existing 61mm gutter. I can't change the downpipe as the paving slabs will need lifting and cutting too!

foy9999 · Post by **foy9999** » Tue Apr 06, 2021 7:57 am

Coeur wrote: ↑Mon Apr 05, 2021 10:55 am
London mike 61 wrote: ↑Sat Apr 03, 2021 7:57 am Gutter and down pipe aren’t that expensive, just replace the whole lot and in future if you get a leaky joint you can easily find a replacement.

Mike
The paving is cut tightly around the downpipe. So to replace the downpipe with 65mm downpipe I would need to lift and cut the paving slabs!

well you might need to lift and cut one paving slab, or one at each downpipe, but not them all

foy9999 · Post by **foy9999** » Tue Apr 06, 2021 8:02 am

Coeur wrote: ↑Mon Apr 05, 2021 10:53 am
I bought a 65mm downpipe connector to test fit and it does not fit. The part of the connector that would normally go inside the downpipe is exactly the same size as the exisiting downpipe

what you mean a 65mm downpipe connector? design to connect from what to what? I doubt it was designed to join 65mm to the size you have. You said you couldn't find refertence to your original stuff anywhere. Am pretty sure the links I posted are what you have (Osma 62mm)

foy9999 · Post by **foy9999** » Tue Apr 06, 2021 8:08 am

Coeur wrote: ↑Mon Apr 05, 2021 10:58 am
I'd like to increase the capacity of the gutters and then connect 65mm into existing 61mm gutter. I can't change the downpipeas the paving slabs will need lifting and cutting too!

I think you mean you want to increase the capacity of the gutters and connect into existing 61mm downpipe (which is probably Osma 62mm).

If you want my opinion there is absolutely no need to increase capacity of guttering on domestic housing. This trend for 'deepflow' is complete nonsense. I see it on low-pitch council houses when (in the old days) much much bigger properties with steeper roofs has shallow cast-iron guttering and no issues.

When do you ever see guttering overflowing as it can't handle the rainfall? probably never.

The main problem with gutters is leaking joints and you get that on all types.

If you want to scientifically check that the guttering doesn't have the right capacity there are calculators on the suppliers' sites which you need to put the angle and dimensions of the roof into

London mike 61 · Post by **London mike 61** » Tue Apr 06, 2021 10:09 am

The only time I have seen guttering overflow is when they are full with moss from the roof and the water cannot pass so it spills over. Oh, and leaky joints.

Mike

foy9999 · Post by **foy9999** » Wed Apr 14, 2021 12:15 am

London mike 61 wrote: ↑Tue Apr 06, 2021 10:09 am The only time I have seen guttering overflow is when they are full with moss from the roof and the water cannot pass so it spills over. Oh, and leaky joints.

Mike

yip. spot-on. no need for deepflow gutters in domestic situations. if the gutters aren't full of muck normal half-round is perfectly adequate