Installing a window on corrugated tin

kcflhrc · Apr 14, 2015

So we are converting an old lean too building on our property to a chicken coop. It has corrugated tin siding and roofing. I need to install 2 windows on this tin siding. Any recommendations on doing this? I thought I would just frame it on the inside and outside then caulk around it. I really don't see another way to do it.

Thanks

/pine · Apr 14, 2015

just a suggestion...
They make wooden slats for corrugated metal that allow the corrugations to seat flat...you could possible use it (along with some 1x) to make a better seal for the outside trim around the window...(top and bottom anyway)

flusher · Apr 14, 2015

Google "windows for corrugated metal". You'll find a lot of ways to do this.

Good luck.

mddorange · Apr 14, 2015

The way I would do it is to run a couple of 2x4's from the ground up on the inside to make the sides of the frame for the window. If you have a dirt floor, be sure to put something under the 2x4's at the bottom.

/pine · Apr 14, 2015

here are some pictures of available sealing strips:

https://www.google.com/search?q=cor...TAggT98oOQCg&ved=0CAgQ_AUoAg&biw=1024&bih=600

KennyG · Apr 14, 2015

What type of backing do you have behind the metal? If you have (or construct) a full frame around the window you can use standard metal siding J strips. After you build the framing the correct size for the window, cut out the siding to the frame size, then cut the J strips to size and insert them over the cut edges of metal siding. Next mount the window and pull the J strips hard against the window frame. Put siding screws through the siding and back flat of the J strip and into the window opening frame. Then, if you want it fully weatherproofed, you can caulk between the J Strips and the window.

I know this may sound complex, but it's a very easy installation and will look quite finished.

KennyG · Apr 14, 2015

One other thought. On my window installs in the pole barn, I used a trim piece meant to go over windows and doors (has a drip edge) on the top and the J strips on the sides and bottom.

KennyG · Apr 14, 2015

OK, I found a picture. Not a great one but you can see the top drip edge and J-strips. This is before the siding is installed, but you cut the hole and install the trim, then insert the window without removing the siding.