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#1
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Minimal Expanding Foam or Mortar?
Some of you may recall my question about repairing this crumbling
block: http://imageshack.us/photo/my-images/69/badcinder.jpg/ You'll note that there is an entry door to the right of the crumbling block. I ended up replacing both the door (old wooden door with a rotting threshold) and the block. In both the original installation and the new, there is a gap between the end of the block and the bottom foot or so of the door jam. If you look at the picture, that thin strip of material directly under the jack stud is a strip of mortar between the block and the old door jam. There was a duplicate strip of mortar on the other side of the door which came out when the old door was removed. I now have to fill these gaps to finish sealing the door. The left side gap is a little bit less than an inch wide and the right side is just under 2 inches. On the exterior side, there is a piece of aluminum flashing that is nailed to the brickmold with a flange that used to hide the original mortar strip. In other words, if you look through the gap between the block and the door jamb from the inside, you can see the "back" of the flange that used to be up against the wall. My question: Should I mix up some mortar and use a mortar bag to squeeze mortar into the gaps or should I take the easy way out and just use minimal expanding foam? Eventually I plan to parge the block inside and out and I'm wondering if I can parge the foam on the interior also or will it always be visible? Thanks for any advice. |
#2
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Minimal Expanding Foam or Mortar?
DerbyDad03 wrote:
Some of you may recall my question about repairing this crumbling block: http://imageshack.us/photo/my-images/69/badcinder.jpg/ You'll note that there is an entry door to the right of the crumbling block. I ended up replacing both the door (old wooden door with a rotting threshold) and the block. In both the original installation and the new, there is a gap between the end of the block and the bottom foot or so of the door jam. If you look at the picture, that thin strip of material directly under the jack stud is a strip of mortar between the block and the old door jam. There was a duplicate strip of mortar on the other side of the door which came out when the old door was removed. I now have to fill these gaps to finish sealing the door. The left side gap is a little bit less than an inch wide and the right side is just under 2 inches. On the exterior side, there is a piece of aluminum flashing that is nailed to the brickmold with a flange that used to hide the original mortar strip. In other words, if you look through the gap between the block and the door jamb from the inside, you can see the "back" of the flange that used to be up against the wall. My question: Should I mix up some mortar and use a mortar bag to squeeze mortar into the gaps or should I take the easy way out and just use minimal expanding foam? Eventually I plan to parge the block inside and out and I'm wondering if I can parge the foam on the interior also or will it always be visible? Thanks for any advice. Since you eventually plan on parging the block anyway, my vote would be to fill the gaps now with mortar. Expanding foam can be a mess to work with, and it can expand too much and can be a pain to trim. |
#3
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Minimal Expanding Foam or Mortar?
"RogerT" wrote:
-snip- Since you eventually plan on parging the block anyway, my vote would be to fill the gaps now with mortar. I'd use that mortar/caulk in a tube, myself. Expanding foam can be a mess to work with, and it can expand too much and can be a pain to trim. ??? Especially someplace where it won't be seen, how hard is it to wait until it is cured and knock off the high spots with a dull knife, sharp knife, block of wood-- heel of your boot. . . .? Jim |
#4
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Minimal Expanding Foam or Mortar?
"Jim Elbrecht" wrote in message ... "RogerT" wrote: -snip- Since you eventually plan on parging the block anyway, my vote would be to fill the gaps now with mortar. I'd use that mortar/caulk in a tube, myself. Expanding foam can be a mess to work with, and it can expand too much and can be a pain to trim. ??? Especially someplace where it won't be seen, how hard is it to wait until it is cured and knock off the high spots with a dull knife, sharp knife, block of wood-- heel of your boot. . . .? Jim Multi purpose HF tool works for me. Wait a few days until sets up hard and then is easy to trim. I used the blue can of "Great Stuff" WW |
#5
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Minimal Expanding Foam or Mortar?
On Jun 22, 6:40*pm, "WW" wrote:
"Jim Elbrecht" wrote in message ... "RogerT" wrote: -snip- Since you eventually plan on parging the block anyway, my vote would be to fill the gaps now with mortar. I'd use that mortar/caulk in a tube, myself. Expanding foam can be a mess to work with, and it can expand too much and can be a pain to trim. ??? * Especially someplace where it won't be seen, how hard is it to wait until it is cured and knock off the high spots with a dull knife, sharp knife, block of wood-- heel of your boot. . . .? Jim Multi purpose HF tool works for me. Wait a few days until sets up hard and then is easy to trim. I used the blue can of "Great Stuff" *WW- Hide quoted text - - Show quoted text - I "mortared" in a single concrete block with expanding foam a couple of years ago. Drain for a washing machine had been run through the block and it crumbled and had to be replaced. New block was cut on a masonry saw to allow the drain to pass through. We placed a couple of shims beneath the block and shot the spaces around it with "great stuff". Whether or not I would do the same again would depends on whether or not there was ever going to be any kind of stuctural load placed on it. Jimmie |
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