likely the material is 'waffleboard',,, its purpose is to hide drain holes from view,,, the holes allow water to drain OUT of the blocks,,, you can probably install a 5" high strip of dark plastic tucked down into the slot BEHIND the remaining waffleboard,,, assuming your floor's 4" thick, add another 5" & find something 9" tall
how to fill a gap after drain tile installed
Greetings
Hoping this is the right forum for my Q. A few years ago I had drain tile installed along 2 walls in the basement. There was a 2-3" plastic 'dimpled sheeting' above the floor (hugging wall) that tenants cut and removed (who knows why tenants do what they do). Anyway - w/o that sheeting, there is now a gap along the floor/wall junction - with holes showing in the concrete block where the guys drilled through while installing the drain tile. this gap has allowed alot of moisture into the basement and mold is now growing on the bottom of the walls. How can I seal that gap - w/o the sheeting that was there. The holes in the concrete block are no more than 2" in some places.
thanks
Kelly
Hoping this is the right forum for my Q. A few years ago I had drain tile installed along 2 walls in the basement. There was a 2-3" plastic 'dimpled sheeting' above the floor (hugging wall) that tenants cut and removed (who knows why tenants do what they do). Anyway - w/o that sheeting, there is now a gap along the floor/wall junction - with holes showing in the concrete block where the guys drilled through while installing the drain tile. this gap has allowed alot of moisture into the basement and mold is now growing on the bottom of the walls. How can I seal that gap - w/o the sheeting that was there. The holes in the concrete block are no more than 2" in some places.
thanks
Kelly
1 - 9 of 9 Posts
Thanks @stadry - I'm not sure another strip of plastic is going to solve my problem. I need to create a seal blocking moist air from coming into the basement via the gap at the floor. It's the moist air that's creating a mold problem.
Kelly
Kelly
Hi again
Yes - a photo would help - but I can't seem at insert or attach a photo. The "image" button above wants a url to a webpage. I don't have a webpage to post this picture to. I've never used those photo sharing websites.
Actually @stadry's idea might work - maybe just a 3-4" high piece of waffleboard - then - again - how to 'adhere' it to the wall to create a seal?
Kelly
Yes - a photo would help - but I can't seem at insert or attach a photo. The "image" button above wants a url to a webpage. I don't have a webpage to post this picture to. I've never used those photo sharing websites.
Actually @stadry's idea might work - maybe just a 3-4" high piece of waffleboard - then - again - how to 'adhere' it to the wall to create a seal?
Kelly
Make some kind of Sikaflex sealant?
the 'waffleboard/drainage board' is left that way so that wall drips can run down the wall then into the sub-floor drainage system,,, you can seal the 'cove' if you wish but then any dripping will run out onto the floor,,, sikaflex, 100% silicone or equal's the stuff to use, NOT caulk
thanks @stadry and @huesmann
There is no 'drip' off the wall - in hindsight I didn't need the interior drain tile to begin with; but now I have it and this problem. The issue is 'moisture' seeping up through the 'cove' creating mold on the block - which i never had before.
Anyway - thanks for the help - I'll look for 'sikaflex'.
And will let you know how it goes
much appreciated
stay safe
Kelly
There is no 'drip' off the wall - in hindsight I didn't need the interior drain tile to begin with; but now I have it and this problem. The issue is 'moisture' seeping up through the 'cove' creating mold on the block - which i never had before.
Anyway - thanks for the help - I'll look for 'sikaflex'.
And will let you know how it goes
much appreciated
stay safe
Kelly
1 - 9 of 9 Posts
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