When studying home drainage and groundwater solutions, the subject of placing waterproof membranes on the outside, or inside of foundation walls, comes up at times. The science sounds good, and if pitched with vigor, may result in the homeowner believing that this method will prevent groundwater from entering below grade. Let’s examine the facts however, and you decide for yourself how the logic shakes out. (more…)
Archive for the ‘Tar coating’ Category
Membranes and tar on the outside of foundation walls
Saturday, April 19th, 2008Tar coating exterior foundation walls
Friday, January 4th, 2008A question that I am asked often concerns tar coating foundations. Is this process recommended? Will it keep the groundwater out of the basement?
Many contractors make a business out of this simple treatment, but does it really do any good? Let’s examine this subject. I have a few opinions from my experience, and I will share them with you in hopes that you will make an informed decision when confronted by this technique as a possible way to keep groundwater out the basement or crawlspace.