Parging
4/23/2019 at 6:50:48 PM
Getting quotes for parging - there is a tarline about 4 inches up from grade.
I'm getting such different information, I'm not really sure what to do.
#1 Re-parge above the old tar, and leave the old tar on. They recommend that I re-tar myself just a bit above the grade as it is very easy to do. Contractor says tar doesn't disintegrate below grade because it's not exposed. I'm thinking of digging up a section myself to check it out. It was tarred 25 years ago.
#2 Dig the soil up 7-10 inches and after second coat of parging tar that below grade to 2 inches above grade.
This is a typical Ontario 1950s brick bungalow with a standard basement, so parging is about 4ft high on the outside wall and all around the house.
Parging is not specifically to cover up the tar, but happens to be in some places where the parging is badly damaged.
One contractor said for parts with tar to grind it off and then parge over
Another said they would parge just above the tar and not touch the tar, I could paint over it myself
A third said they would parge below grade and retar.
Any advice is appreciated!
Thanks in advance!
4/24/2019 at 12:12:42 AM
According to Building Code the tar is supposed to stop at grade level. Also, the foundation is supposed to project minimum 6" above grade (8" if there's wood that may be exposed to moisture).
I'm not convinced foundation dampproofing doesn't disintegrate over time.
One last point: Code requires 2 coats of dampproofing (in a referenced standard); it's common industry practice (at least here) for only a single coat to be applied.
4/25/2019 at 1:41:23 AM
Why are you looking to parge? If it is just to cover up the tar you can paint it concrete gray using Stucco urolastic Paint. It's flexible,fills cracks and is cost effective. You can also use a primer called Killz prior to painting. It's a stain blocker which helps with covering tar. None of these product will hurt the tar. The urolastic Paint helps to waterproof the concrete aswell.
4/25/2019 at 6:24:05 AM
Parging is not specifically to cover up the tar, but happens to be in some places where the parging is badly damaged.
One contractor said for parts with tar to grind it off and then parge over
Another said they would parge just above the tar and not touch the tar, I could paint over it myself
A third said they would parge below grade and retar.
Search the TrustedPros directory and discover the best contractors in your area.
Find your home service pro
