What object ids are in this photos - Help

[dOh.]

What object id is this long red structure : http://i.imgur.com/K5wq7N3.png

What object id is this wall : http://imgur.com/49L32QA

What object id is this roof: http://i.imgur.com/FFdqEQt.png

Thanks in advance , sorry if is the wrong section , i searched all the web for this 3 objects and still can't find them !

[Deagle]

Those are probably custom objects.