Apply paving paint or porch and floor enamel first to the perimeter and then the middle.
How do i dry a concrete wall.
Evenly coat a 2 by 2 foot area.
If the mixed concrete looks like the mix in step 9 it s ready to pour.
You do not have to worry about stains however if they are set in and not some sort of object stuck onto the surface.
Just as in the process described above after the bonder has become tacky apply a scratch coat and then apply the repair material.
Then remove any existing paint or gunk using a power washer or scraper and wire brush.
Use concrete nails and a concrete nail gun to attach the hat channels to the wall after drawing a plumb line to make sure you ve spaced the hat channels properly for the size of drywall and insulation you re using.
It s tempting to just squirt water into the dry concrete mix with a hose and mix up a soupy batch of concrete.
Then apply the repair material.
Dry stack masonry construction can prove to be a cost effective solution for residential and low rise commercial applications because of it s speed and ease of.
To do so place 1 or more fans in front of each damp spot and turn the fans to their highest setting.
After all it s quicker and the runny concrete is easier to pour.
Otherwise mix in additional dry mix or water until you get the right consistency.
Typical applications for mortarless concrete masonry include basement walls foundation walls retaining walls exterior above grade walls internal bearing walls and partitions.
When using a liquid bonding agent paint the bonder onto the existing concrete and allow it to dry until it is tacky.
Clean the concrete thoroughly with trisodium phosphate tsp and warm water then let dry.
Apply the slurry to your new concrete wall by holding the trowel blade to the wall so the slurry is pressed onto it and wiping the slurry across the wall with a smooth arcing motion.
First sweep away any surface leaves debris and dirt.
Drive three concrete nails spaced at even intervals through each side of each hat channel.
This is a good size area to work in so the drying of the slurry does not go faster then your ability to rub out the wall.
This will help clear out moist air while actively drying the damp spots.
Use room fans to dry out small damp spots.
Wet the concrete thoroughly and then cover it with the sheeting of your choice using bricks rocks or other heavy items to hold it in place.
If the moisture only affected a small area of the wall you may be able to dry it out using standard oscillating fans.
Drill a 1 1 2 inch deep hole in the wall on each pencil mark with a hammer drill and a masonry bit that is the same dimeter as a metal screw anchor sleeve.
Scrub away any dirt grime or gunk that is stuck to the concrete.