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Joe1. 11-06-2010 03:18 PM

Window stool and framing
 
Hi everyone,

I'm in the process of trimming off a few Anderson double hung windows, and I'm tryinig to decide how I want to do it. I like the traditional stool and apron with jamb extensions, but when we framed the dormer walls, we did it out of 2x4's. So now, I have no space for any extensions, and I think the stool/apron method only is appropriate for windows with jamb extensions. I'm right in thinking this, right?

Anyway, we've pretty much made up our mind that we don't want a simple picture frame trim, so we're thinking now that we should box out the window wall (since it's a small wall, 35 inches wide) with some 2x material. This way we can have a regular stool with jamb extensions. We should have just framed the wall out of 2x6's but we didn't anticipate the window trim design.

I'm looking at the stool area of the window (I haven't done a stool before), and I see that on these Anderson windows, there's a fairly large space between the window rough framing and the dado (if that's the right term) for the window stool. I guess typically you have to shim this (or use a screw support that I've seen) to support the stool. In my case, should I just get the stool I plan to use and then run my 2x filler material right under there to provide a nice support?

I'm working a little backwards here, but maybe now, I can easily shim the stool. How does this sound? If any of you guys have any advice for me, I'd appreciate it.

Thanks in advance.

Joe

guest 11-06-2010 04:59 PM

My windows have stools without jam extensions. The stool is supposed to stick out in front of the trim. The interior window trim sits on the stool and then there is another piece of trim under the stool. I don't know how to direct you to a site but I am sure you could just type in " interior window trim with stool" or something similar and you should find sites that show this. good luck!

firehawkmph 11-06-2010 09:06 PM

Joe,
Go to Andersen's site. They should have drawings on how the trim is installed. Millwork shops usually have a stool made for Andersen windows that has a tongue on it to fit into the dado on the bottom edge of the window frame. The stool is supported by another piece of trim underneath it called an 'apron'. The apron is usually a piece of matching casing with the ends returned into the wall so they end right where the radius of the stool starts. If you find a drawing, you'll see what I mean.
Mike Hawkins:)

Joe1. 11-07-2010 12:32 PM

Hey guys,

Thanks for the replies. Yeah, I'm familiar with the stool and apron setup, I've just never built one. What I'm stuck on is whether the stool would look a little strange without having some depth to it, provided by extensions. I can't seem to find a picture online without the extensions.

Guest, how does it look on yours? Does it look a little narrow? Or do you have large trim and aprons to make up for it?

Joe

moopey 11-07-2010 01:57 PM

do you have anderson 200 or 400 series windows?

i used both on my house. trimming the 400 series was easier because home depot sells a window still that fits in the dado or rabit joint (forgot right terminology). Also, the 400 series double hungs i have didn't require extension jams with 2x4 construction.

the 200 series on the other hand were a little more difficult. I ordered the 200 windows with extension jams installed at the factory, but that only included the top and the sides. the bottom had no extension jam. I spent a lot of time shopping around for stool that would fit my 200 series window and I just couldn't find anything that had the proper depth because there was no bottom extension jam. I never found out if it was normal to only have jams on 3 sides. I ended up making my own stool using 1X3 poplar, ripping to the right size and then used a router to finish it off.

here is what the bottom of my 200 series window looked like after installation. you can see the extension jam and the space underneath it.
http://i51.tinypic.com/11lj87s.jpg
http://i51.tinypic.com/2j3jpes.jpg

Using the 1x3 poplar, I simply slid it under the bottom of the extension jam and butted it against the window. I found ripping the 1x3 down to 2-7/16" gave me the best overhang with the apron I was using. Since I didn't notch the stool to conform with the bottom of the window, I just made sure to nail the stool at the wall where it overhangs on either side and then down into the apron to secure it.

Here is the finished product. I used 3-1/2" trim and 3-1/4" apron from home depot.
http://i55.tinypic.com/21aml3q.jpg
http://i52.tinypic.com/11hatf4.jpg
http://i53.tinypic.com/2rwxkxh.jpg

firehawkmph 11-07-2010 02:09 PM

Hey Moopey,
That turned out nice. That's what I was thinking. I just redid a sunroom last week for a customer with Andersen 200 series. They came with jambs all the way around installed at the factory. I bought some 1" thick bullnose molding from a local millshop that worked out nicely.
Mike Hawkins:)

moopey 11-07-2010 02:19 PM

Quote:

Originally Posted by firehawkmph (Post 530283)
Hey Moopey,
That turned out nice. That's what I was thinking. I just redid a sunroom last week for a customer with Andersen 200 series. They came with jambs all the way around installed at the factory. I bought some 1" thick bullnose molding from a local millshop that worked out nicely.
Mike Hawkins:)

Thanks. It took alot of trial and error to achieve the look I was going for. The stool wasn't anything fancy. Just a 10 degree angle with rounded edge. I made it to match the off the shelf stool that I used for the 400 series windows.

I'm curious as to why I only got extension jams on 3 sides. I ordered them from a local lumber company and simply stated that I wanted the jams installed at the factory (one less thing for me to do) they never asked if I wanted them on all sides or not. The thing that slowed me down, was every time I went to home depot to explain my dilemma, they either had no idea what I was talking about or they just handed me stool for a 400 series window. haha.

Joe1. 11-07-2010 03:48 PM

Hi Moopey,

Thanks for the reply. That window came out really nice. I like the trim selection as well; I'll have to see if I can find something similar at Home Depot too.

Anyway, the windows I have are the 400 series, with 2x4 framing. So now I know I should probably be able to get the stool/sill at Home Depot like you did, which makes things easier. The only problem, like I mentioned, is my 2x4 wall. I plan on hanging blinds on these windows, for one thing, and I don't think they'll look good sticking out past the window. So, I'm thinking maybe I should just quickly build out the wall with some 2x material, and try to imitate a 2x6 wall. What do you think?

Moopey, do you have any pictures of the 400 series without jamb extensions? I'm curious to see how they look. I know it's easier to trim the window without them, but it might look nicer housing the blinds, etc. to have the extensions.

Joe

moopey 11-07-2010 04:20 PM

Joe, I understand what your saying about the blinds. The panels of the 400 series windows are more flush with the walls whereas the 200's are sunk in a bit allowing you to install the blinds actually within the window.

I replaced a bow window with 3 400 series windows to update the house a bit. The wife wanted wood blinds and instead of getting a single large blind we opted for 3 seperate ones. I mounted them flush to the trim. The ends of the windows are covered by the curtains. The one thing I didn't like about getting the single blinds, is that they came with 3 separate valances to dress them up. I'd rather have one large valance so I've been working on trying to glue them together which is why there is no valance in the picture.

I wouldn't build out the wall. In my experience blinds are almost always mounted on the trim protruding from the wall. It all come together once curtains are up.

Sorry for not rotating a couple of the pictures. Also, you'll notice this window has a different apron. It was the first window I trimmed out and I simply used the window as the stool. Shortly after I found the apron at home depot and really liked it. I was going to change the stool of the first window to match the others, but it's behind the couch all the time and is never seen so I said screw it. haha.

I hope this has help you out.

http://i54.tinypic.com/2vikolg.jpg
http://i52.tinypic.com/okudmf.jpg
http://i55.tinypic.com/2801v8i.jpg
http://i56.tinypic.com/35k0f49.jpg
http://i56.tinypic.com/2j4tv1y.jpg

cumak 11-07-2010 06:31 PM

Moopey - your window trim looks great. What did you use for the apron in your first picture (the blue room)? Is that a standard trim profile that HD sells, or did you piece it together? This winter I have to do the interior trim for a bunch of Andersen 400's that I just installed. I was going to use the colonial trim for everything, including the apron. Yours looks a lot nicer than what I had in mind.

Thanks,
Mark

moopey 11-07-2010 07:18 PM

Quote:

Originally Posted by cumak (Post 530410)
Moopey - your window trim looks great. What did you use for the apron in your first picture (the blue room)? Is that a standard trim profile that HD sells, or did you piece it together? This winter I have to do the interior trim for a bunch of Andersen 400's that I just installed. I was going to use the colonial trim for everything, including the apron. Yours looks a lot nicer than what I had in mind.

Thanks,
Mark

thanks cumak. The apron is a standard off the shelf piece. Home depot actually carries it in 2 or 3 different size heights.

Joe1. 11-07-2010 08:21 PM

Thanks for the pictures, Moopey. I appreciate it.

Yeah, with the curtains covering the blinds, it's not a big deal. The only thing is I'm not sure if I'll be installing curtains, as these are only 30" (or 29 9/16, some size like that) dormer windows in a 35 1/2" dormer wall. There will only be at most an inch space around the trim itself.

So that's why I thought I might just build out the wall with 2x3, since they are just three small dormer walls.

Actually, it's what the customer--my father,:wink:--wants. So I may have to do it, whether I like it or not, haha. And that's not to mention that I've already drywalled the whole thing! Now he notices it. The only thing is, with a 3.5 framed wall (2x4), and .5 drywall, then a 2x material (1.5"), and then another piece of drywall, I'll be at the same dimensions as if I started with a 2x6 framing, which means I should be able to use an off-the-shelf 2x6 size stool.

Joe

firehawkmph 11-08-2010 09:36 PM

Quote:

Originally Posted by moopey (Post 530288)
I'm curious as to why I only got extension jams on 3 sides. I ordered them from a local lumber company and simply stated that I wanted the jams installed at the factory (one less thing for me to do) they never asked if I wanted them on all sides or not. The thing that slowed me down, was every time I went to home depot to explain my dilemma, they either had no idea what I was talking about or they just handed me stool for a 400 series window. haha.

Yeah Moop,
I haven't seen them come through like that. The double hungs always came with jamb extensions attached from the factory all the way around. The casements always came with the jamb extensions not installed but in a separate package.
Mike Hawkins:)

guest 11-09-2010 10:20 AM

Hi! Mine look to be about 2-1/2" or so. If you were gonna put window seats in the dormers later, you may like the jam extension look better because it will make for a wider stool, but it's only a preference thing. If you can find the site,"this old house" has a video of interior window trim with stool (no extensions) I just typed in "interior window trim with stool" and it brought it up. good luck!

Joe1. 11-09-2010 01:54 PM

Hi Guest,

Yeah, I know the wider stools look nicer, that would always be my preference. But we've decided, I think, on sticking with the walls as is, and just going with a flush stool, which will still be 2-2.5 inches, depending on the casings we choose. Building out the walls wasn't a big deal, but one of the main reasons for doing so was to house more neatly the blinds. Originally I said we're not going to put curtains, but after thinking about it, we're going to put just the curtains, and not the blinds.

Blinds are pretty common, so a regular plain curtain/drapery will be nice for a change. Hopefully it won't look too crowded in the dormer.


Anyway, that's where we're at right now. Thanks for the help guys.

Oh just one last thing, does it pay to make the stool myself, since it's going to be flush and all? And if so, what size/kind wood would you use?

Joe


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