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ionized 01-31-2013 05:37 PM

exterior door threshold
What is wrong with this picture? (Click the thumbnail please). It looks like the threshold was a hack job.

That is the edges of the engineered wood flooring that can be seen between the metal and the painted gray sill. This looks all wrong to me. Isn't the threshold supposed to be flashing-like? I doubt that a little caulking is going to fix this properly. The caulking will trap any water that might get in, right?

I would guess that some kind of weather-resistant wood or wood-like material should have gone on top of the old sill to bring it up to the level of the threshold. It seems like it should be painted before it is installed and then touched up. OTOH, maybe the correct and best way is to install a new, thicker sill.

I am just waving my hands here and I could really use some advice from experienced people.

Thanks for reading.

MNsawyergp 02-07-2013 03:02 PM

That is not a very good picture to "get the full picture". Any threshold should go completely under the door and have a flexible gasket across it to fit tight under the door. The threshold needs to be totally sealed underneath to keep weather and bugs out.

epson 02-07-2013 03:15 PM

That threshold is installed incorrectly; it should be flush to the floor. (Please donít tell me that a professional installed it). Also you would require a door sweep as there is to much of a gap between the door and threshold.

joecaption 02-07-2013 04:01 PM

I agree, I can not even tell what it's a picture of.
Back up, open the door so we can see what's there now.

ionized 02-07-2013 04:50 PM

A lot of water has gone under the bridge since I posted. I had given up hope. Here is some more information. I don't have a pic handy with the door open.

White: door
black: soft weatherstrip of the threshold
gold: metal part of threshold
brown:added wood under the threshold that I though was flooring
Gray: Recently-painted riginal door sill if "sill" is the right word
Mottled gray-green: concrete porch deck that I have not yet had time to paint.

I do have a wider shot if that helps.

I learned that the wood visible between the metal of the threshold and the gray sill is not flooring, but plywood. They expect to caulk it. It is nearly flush with the edge of the threshold.

Unfortunately, the sill does not slope much, if at all. I wonder if a new sill should have been installed. There is no gap between the threshold and door. The door had to be cut to make room for the new threshold. Note that the subfloor (plank) was replaced with plywood and brought up a little to match up with flooring in the rest of the house. This must have resulted in the need to raise the threshold with the added wood on top of the sill.

Thanks for responding.

joecaption 02-07-2013 05:03 PM

#1 That porch never should have been pored that close to the threshold. code calls for at least 4".
The threshold should have been sitting in a sill pan or at least flashed correctly.

ionized 02-07-2013 05:48 PM

Thanks for your response. I had a lot of time to think about the sill clearance over the porch slab when painting the sills here and on the side door. They are similar. Although they have may have been that way for 60 years, who knows what changes or repairs have been made.

I had asked the flooring contractor to ask the carpenter to take a good look at the door to see if any improvements should be made. Either that message did not get through, or the carpenter did not care. I suppose the carpenter should have been called in before the floor was put down and I should have talked with him.

CarpenterSFO 02-10-2013 01:35 AM

It is wrong for the subfloor to peek out below the door. The caulk will eventually fail, and water will wick into the house.

ionized 02-11-2013 09:22 AM

Thanks, I don't think that is subfloor, but I will inquire to be sure.

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