Gutters

[Kenton H. Shepard, CMI]

Internal downspouts are more common in commercial.
Disclaim the downspouts since you can't see them.
Older systems were often metal which corroded and caused a lot of damage. Since this is plastic, if it was connected properly it has a good chance of lasting a long time. Leaks and the resulting damage are sometimes not visible for a long time.

Can you confirm the discharge location visually?

[Bob Elliott]

Originally Posted by mcyr

I needed a good friend to help me find this link on the subject.
Interesting reading.

http://www.mosbybuildingarts.com/blo...gutter-system/

Hey Marcel they run water supply pipes under pressure in walls do they not?
I think the internal gutter is a great idea if there is no chance of freeze.
Look how old those downspouts are in your article (I mean really) as nothing lasts forever yet PVC sure would be great for this application.
Can we do this with no glue sections please?

[Marcel R. Cyr]

Originally Posted by belliott

Hey Marcel they run water supply pipes under pressure in walls do they not?
I think the internal gutter is a great idea if there is no chance of freeze.
Look how old those downspouts are in your article (I mean really) as nothing lasts forever yet PVC sure would be great for this application.
Can we do this with no glue sections please?

No, very few exceptions to that here in Commercial Work.
When absolutely necessary, the wall cavity is insulated with Polyicynerate foil faced insulation, usually 3" in a 6" wall cavity and also on the sides of the studs as much as possible.
That usually works.
Even in Residential, pipes should not be installed in insulated exterior walls.

Rain leaders are usually installed interior of the exterior wall envelope and boxed in where addittional insulation is not required. Vertical rain leader risers are not typically insulated at all unless noise is an issue. Only horizontal runs needs insulation for condensation control.
Useing cast iron pipe will minimize the noise on vertical risers. So a lot of that material is used when budget allows.

[Bob Elliott]

Originally Posted by mcyr

No, very few exceptions to that here in Commercial Work.
When absolutely necessary, the wall cavity is insulated with Polyicynerate foil faced insulation, usually 3" in a 6" wall cavity and also on the sides of the studs as much as possible.
That usually works.
Even in Residential, pipes should not be installed in insulated exterior walls.

Rain leaders are usually installed interior of the exterior wall envelope and boxed in where addittional insulation is not required. Vertical rain leader risers are not typically insulated at all unless noise is an issue. Only horizontal runs needs insulation for condensation control.
Useing cast iron pipe will minimize the noise on vertical risers. So a lot of that material is used when budget allows.

Makes sense.
That could get very noisy in a home.