attn: Tscarborough, Hurricane Sandy, basement repair, point, parge, insulate
hello. I have never posted to the forum before, but I have followed various threads for a long time now. Advice from all would be appreciated, but the topic seems up Tscarboroughs alley.
Please advise. thank you, Jeffrey
Before going to far have you had any discusion with your insurance company you have your flood insurance with?
Just second hand info but there's been people on this site chating about now having to pay an outragest amount for insurance or get rid of the basement.
Insurance companies will do what they do.
The basement will no longer be a basement in the way it used to be.
If they increase rates across the board which is expected to happen, I will deal with that then.
In the future, tt will be used as a studio.
All of the utilties--heating system, DHW, etc have been relocated to upper levels.
The goal is to have zero organic materials or utilities in the basement.
basically it will be a basement with polished floor and concrete walls. lighting and electrical will run through floor joists.
Because the ceiling height in the basement is 6'6", it would have to take another 12 foot storm surge--what the army corps of engineers is deeming a 250 year storm--to make it above basement level again.
But we are rebuilding as if it will happen tomorrow.
My suggestion is to use Thoroseal (cement-based coating) and not a paint/sealer since it becomes a part of the concrete in the walls. Do a light pressure wash to remove dirt and loose particles. Follow the Thoroseal mixing (especially timing to allow "fattening" before final water). Mist the walls with a garden sprayer when necessary to maintain a moist (not dripping wet) surface just prior to the application. A bond enhancer/latex may be used. The mix will be as sloppy as pancake batter and should be applied with a large brush (whitewash?) and can be a little rough. A second coat may be applied within the suggested time frame (24 hours?) to make everything prettier and can even be painted/coated.
The result is concrete surface that is more water resistant, but is not a vapor barrier and can accept almost any type of surface you choose depending on your selected systems. It is a sloppy, messy process, but it works well and has been used for architectural and sculptured rehabs and I have specified it on some old dam restorations to create a good surface.
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