Building coop with metal roof...use purlins or osb decking?

[whitenack]

This^. It's a pain making the metal roofing predator proof if you don't use sheathing underneath.

Are you guys talking about the ridges of the sheet metal being big enough for a predator to crawl through?

 

[mowin]

Are you guys talking about the ridges of the sheet metal being big enough for a predator to crawl through?

The profile of metal roofing is difficult to predator proof.

 

[3KillerBs]

The profile of metal roofing is difficult to predator proof.

Harder or easier depending on the profile of the specific roofing.

 

[mowin]

Harder or easier depending on the profile of the specific roofing.

Maybe standing seam metal roofing, but I don't recall seeing any coops with standing seam as it's rather expensive compared to the traditional metal roofing

 

[U_Stormcrow]

I use 5v, theres room for roaches, frogs, lizards, nothing larger. If you use the wave profile (which I hate, but is often cheaper), there's room for a palm rat every 6" or so...

Facetious. A mouse, probably not a palm rat. Not sure how thin they can squeze themselves.


5v:

Wave:

(there's some variation here, in the height of the "wave" - I've seen everything from just 3/8" to almost an 1" in total height.

 

[3KillerBs]

I use 5v, theres room for roaches, frogs, lizards, nothing larger.

Right.

I can just about get the tip of my finger in there and I have small hands.

 

[mowin]

I use 5v, theres room for roaches, frogs, lizards, nothing larger. If you use the wave profile (which I hate, but is often cheaper), there's room for a palm rat every 6" or so...

Facetious. A mouse, probably not a palm rat. Not sure how thin they can squeze themselves.


5v:

Wave:

(there's some variation here, in the height of the "wave" - I've seen everything from just 3/8" to almost an 1" in total height.

The "wave" type around here has enough of a profile for a weasel to gain access.

 

[rayrose]

You can fill any voids with expandable spray
foam. That's how I did mine. Dries rock hard
and nothing can penetrate it.

 

[Gwhite3678]

Ditto the above.

You did not say where you live? Bare metal in colder climates can cause humidity to condense and drip into your coop, not a good idea.

Interesting I’m in NH and we have a bare metal roof, we just went through our first winter with it and didn’t notice any issues. Hopefully that remains to be the case

 

[Gwhite3678]

You can fill any voids with expandable spray
foam. That's how I did mine. Dries rock hard
and nothing can penetrate it.

This is what we did too