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SLONG1958 02-18-2013 07:09 AM

Finishing a corner
Hey everyone
I'm new to this site and I have been looking around on the web for some answers and I came across this site. I'm in the process of closing in my breezeway. I have gotten to a point that I don't know what would look the best and be easy to do. I'm trying to finish out 4 corners but I don't want to see any gaps check out the pics. Something I didn't mention I going the use cement siding boards to match the house.


oh'mike 02-18-2013 07:29 AM

Is this the inside of the room?

I suggest coping in a 1x4 --then side to that--I would use an angle grinder with 36 grit paper(two disks, back to back) to cut the copes.

I also suggest you add one more stud to the corner---on the flat--so insulation can be tucked behind it----
this will give you a nailing surface for the siding----

joecaption 02-18-2013 07:57 AM

That siding should have came off in that area so the wall would have been flat againt the sheathing on the house, and 1 X 4's added as inside corners.
Also pressure treat wood should never had been used as wall studs, now your stuck with having to use all ACQ approved fastners for anything that gets attached to it.

Make sure you shoot some expanding foam in those gaps before doing as Mike suggested.
Then I get stuck having to fix a DIY built porch like that I make a template out of a piece of 1/4 X 6" plywood and transfure it to 1 X 4' X 5/4 vinyl lumber.

oh'mike 02-18-2013 08:19 AM

Good catch----Joe, I did not notice the green treated wood---

I was also wondering how the exterior would be flashed in, water tight with the siding in place----

joecaption 02-18-2013 08:39 AM

There is no great way to do it once that wall went up, going to be countng on caulking, with the siding off that corner could have been flashed and house wraped.
I guess one way would be to mark it and cut away some of the siding with a 4-1/2" right angle with a diamond blade and an ossilating saw with a diamond blade to get the top part so the trim will sip in againt the sheathing.

SLONG1958 02-18-2013 11:24 AM

Hey guys thanks for all the replies.The room is going to be a sunroom-sitting room.As for using treated it was given to me (FREE) On the out side I only had one corner to deal with and I cut each siding board to match.I know the siding should have been remove but I thought I could get around that. I'm not sure if I under stand about what the first guy said.What fasteners are you talking about for treated lumber.

This is the corner where I cut the siding to match the other side a lot of work.

TheCamper 02-18-2013 04:28 PM

There are a few types of treated lumber, ACQ is the most common in my area. The chemical corrodes regular steel fastners and even zinc plated fastners. You need what is commonly referred to as double dipped galvanized, the actual disignation is G185, or better, what I use stainless steel nails. The corrosion occurs relatively quckly too, within a couple of years. So you want to re-fasten anything you already constructed. There are other fastners available also, e.g. ceramic coated screws, just make sure they are rated for use with the treated lumber.

oh'mike 02-18-2013 06:46 PM

I didn't realize you were butting into brick----that's looking very good---

Listen to the Camper----the new treated is rough on fasteners----

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