Decks, Patios, Porches and Docks - New Concrete Porch vs. Vinyl Siding
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RPH4540
07-13-05, 08:23 AM
:alarm: I am in the process of building a wrap-a round concrete porch which will be located on the front and side of house. my question is: Can I pour the concrete up to and over the "Vinyl Siding" on the side of the house, or should it be removed first and what would I use between the house and concrete? Thanks for your Help!!!!!
XSleeper
07-13-05, 11:31 AM
I've seen plenty of guys pour cement right around vinyl siding, and IMHO, they ought to have their ----s cut off.
The vinyl siding ought to be removed. Then install an expansion joint against the house, so that your cement is not in contact with any wood. (your expansion joint can be used as a straightedge when placing cement.) After the cement is cured, install a galvanized flashing against the house, (which will cover up the expansion joint and extend onto the cement) and caulk it down to the cement with a good urethane caulking that will bond well to cement. Then you can install a j-channel 1" above the cement level (to allow for drainage) and reinstall the siding that you took off.
I guess a lot of masons pour around the vinyl because 1). it's faster 2). it's not their house 3). they don't know how to work with vinyl 4). they don't care. 5). it's faster.
;)
The vinyl siding ought to be removed. Then install an expansion joint against the house, so that your cement is not in contact with any wood. (your expansion joint can be used as a straightedge when placing cement.) After the cement is cured, install a galvanized flashing against the house, (which will cover up the expansion joint and extend onto the cement) and caulk it down to the cement with a good urethane caulking that will bond well to cement. Then you can install a j-channel 1" above the cement level (to allow for drainage) and reinstall the siding that you took off.
I guess a lot of masons pour around the vinyl because 1). it's faster 2). it's not their house 3). they don't know how to work with vinyl 4). they don't care. 5). it's faster.
;)
rdaught
08-03-05, 12:12 PM
What if its a stone veneer instead of Vinyl siding. Stone veneer will be much harder to remove because there are no straight lines in the stone. You would have to chip or cut through the stone in a straight line to remove it. SHould it just be cemented right up to the stone?
XSleeper
08-03-05, 07:26 PM
Since stone and cement are compatable, you *could* pour right up to the stone, then caulk the resulting cold joint after the cement cures. You should ask this question in the cement/masonary forum and see what they think there.
Even though you *could* pour the cement right up to it, I feel it's still a good idea to have an expansion joint against the stone. If there's no expansion joint, the risk is that the pad would put pressure on the fascade, possibly cracking it.
Even though you *could* pour the cement right up to it, I feel it's still a good idea to have an expansion joint against the stone. If there's no expansion joint, the risk is that the pad would put pressure on the fascade, possibly cracking it.
rdaught
08-04-05, 05:03 PM
Thanks for the info; I'll ask on the other board as well.
An expansion joint would seem wierd here because the stone is not smooth like brick, it is more of a field stone contour(sp) like ---^-^^----^--^----.
An expansion joint would seem wierd here because the stone is not smooth like brick, it is more of a field stone contour(sp) like ---^-^^----^--^----.