Doors for fireplace without hearth extension

I'm looking to install some doors on my fireplace that has no hearth extension. All of the doors I've seen online are to be installed with some sort of bottom support (like the extension). Can anyone recommend some doors that are designed to be installed in this situation? Alternatively, can anyone recommend how to install bottom supported doors in a way that will work for my situation? I'd like to install the doors in an overlap fit rather than an inside fit.

This picture shows what my fireplace looks like (more or less):



Thanks for the feedback.

Custom is out of my price range. I was hoping to buy one off the shelf. I'll look at what Stoll has to offer though. Thanks.

Maybe custom isn't out of my price range. Has anyone had any experience with the Thin-Line doors made by Thermo-Rite?
http://www.thermo-rite.com/product/thin-line/

Yes. It looks like installation will be pretty straight forward.

Thanks for the information. I actually already ordered the Thin-Line doors from Thermo-Rite, but I'll keep Wilkening in mind for the future.

There's a tile extension on the floor, so the extension still exists. It's just not at the same height as the bottom of the firebox.

I'm going to threadjack my own thread, but my question is related to the original topic. Can anyone recommend a sealant to fill in the gap between the frame of the glass doors and the tile it sits on? It's a 1/4" gap at most. I thought that a fire stop sealant would be good, but I can't find one that's black.

Any black silicone? I thought that I'd need to stick with a high temp resistant material.

begreen said:

Correct. Regular silicone is good for up to about 400F. It's unlikely that the face will come near that temperature but if concerned there is Mil-Pac black.

http://www.stove-parts-unlimited.com/Mill-Pac-Black-High-temperature-sealant-p/15-1010.htm

Click to expand...

I ended up buying the Mill-Pac Black. Thanks for the information.