Badly installed patio door causing leak

2734 Views 8 Replies 4 Participants Last post by joecaption, Dec 28, 2012

bighak

Discussion Starter · Dec 27, 2012

I recently bought a house with many problems. One of those is a leaking patio door (Leaks in the wall causing mold in the basement wall below). The water appears to get in from the exposed horizontal brickwork. I believe this should have been covered with flashing and an aluminum or pvc sill extension when the patio door was installed.

I dont want to install a new patio door. What can I do until then?

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Windows on Wash

· #2 · Dec 27, 2012

Seal it with a good penetrating mortar seal and seal the gap in the threshold and the brick.

If that doesn't do it, you can cover it with coil stock if you want.

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kwikfishron

· #3 · Dec 27, 2012

Looks like the trim needs caulked too.

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bighak

Discussion Starter · #4 · Dec 27, 2012

Windows on Wash said:
Seal it with a good penetrating mortar seal and seal the gap in the threshold and the brick.

If that doesn't do it, you can cover it with coil stock if you want.

Thanks for the tip! Penetrating mortar sealer seems like an easy solution to this problem. I'll apply that and redo the caulking.

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Windows on Wash

· #5 · Dec 27, 2012

bighak said:
Thanks for the tip! Penetrating mortar sealer seems like an easy solution to this problem. I'll apply that and redo the caulking.

Give them time to dry in between.

Siloxane is what we have used previously and seems to work well.

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kwikfishron

· #6 · Dec 27, 2012 (Edited)

Is this a brick house with a deck attached to it or is that just brick filling in the gap? Why is there brick missing on the right side under the trim?

A picture standing back showing the entire area would help, also another showing the ledger under the deck and how it’s attached to the house.

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bighak

Discussion Starter · #7 · Dec 28, 2012

kwikfishron said:
Is this a brick house with a deck attached to it or is that just brick filling in the gap? Why is there brick missing on the right side under the trim?

A picture standing back showing the entire area would help, also another showing the rim joist under the deck and how it’s attached to the house.

Brick house with a deck. There is a brick but it's dirty.

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Windows on Wash

· #8 · Dec 28, 2012

bighak said:
Brick house with a deck. There is a brick but it's dirty.

+1 to Ron's question.

How is the ledger attached to the home? They are notorious leakers when done incorrectly.

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joecaption

· #9 · Dec 28, 2012

All the sealing and flashing needed to be done under the door, not just some stuff smeared on the outside.
http://jamsill.com/

With the deck being that close to the threshold there's always going to be splash back causing an issue.

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