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Basement Waterproofing


Basement Waterproofing

Wet basement and basement flooding can be unhealthy. Join the discussion on latest news, information and resources available for fixing this problem.

Advocates 65
Latest Activity: Sep 21

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Discussion Forum

Brick Hearth in Basement

Started by Tom Worrell. Last reply by Tom Worrell Sep 21. 1 Reply

Hello all,I had previously waterproofed my basement (I am a waterproofing contractor).  The house is a split level and the basement is a living room with a fireplace and hearth.  We installed a perimeter drain system and two pumps about four years ago and have addressed the major flooding problems we had.  The home is situated in wetlands and since I waterproofed it, it has made it through both hurricanes Irene and Sandy.  However, there was one wall I couldn't access because of a hearth that…Continue

Outside Waterproofing

Started by Kenneth P Olson II. Last reply by John Bryant -Aquaguard Waterproo Feb 9. 1 Reply

I was approach today by a company who pours basement walls. He is a smaller company doing about 3 to 5 homes per week. He's looking to expand the business and looking for a company to do all the outside waterproofing work after the basement wall is poured.The options he is looking for are as followed.1- A standard wall mastic for the outside wall.2- A product called watch dog that gives you a 10 year warranty.3- installing Delta Membrane on the wall.4- Installing 2 inch foam board.He's looking…Continue

Double Basements - New Fade in CO

Started by Steve A Oct 9, 2014. 0 Replies

What do you think about deep double basements? What issues in the future? Weight issues - need piles? What are they doing to keep water out?

Tags: basements, double

Looking for the Best Solution for a Basement with Iron Bacteria

Started by Vincent Visconti. Last reply by Jason D. Weinstein Mar 6, 2014. 3 Replies

Hi All,I live in Sayreville, NJ. I've owned my home for less than a year. The basement has two sump pumps and what we were told was a french drain. Shortly after moving in, we had some bad rain storms and water started coming in from one part of the basement, which we diligently wet-vac'd up for three days. We called a plumber in to see why the water was coming into the house. He unclogged a drain pipe that was emptying into one of the sump pits with what looked like rusty mud. The visible…Continue

"Rigid Wall Sealers" - Do they help or hurt?

Started by Jonathan Siegel. Last reply by John Bryant -Aquaguard Waterproo Mar 11, 2013. 17 Replies

I recently met with a waterproofing company which as part of their basement waterproofing system (which focuses on trenches along the interior perimeter of the floor with drain lines that feed into sump pumps) also wants to put up a rigid wall sealer over top of the existing cinder block walls (the panels get riveted on).  If I understand the theory correctly, they claim it will draw the moisture out of the wall and the panel membrane traps the moisture so that it is forced to drip down to the…Continue

Waterproofing exterior foundation

Started by Ira Klotzko. Last reply by Ames Research Oct 31, 2013. 6 Replies

Hi,I have excavated around our below grade cinder block foundation (50 years old) and removed all the old efflorescence/parging. I am looking for the best combination of:Waterproof sealant (HLM5000, ANDEK AIM#1, etc...) to use as my first coatShould I reparge with Hydraulic cement? I am planning to fill any cracks with a polyurethane sealant/crack fillerWhat type of membranes do you recommend?There are so many sealants out there on the market and ultimately I would like to get the one which…Continue

Long Island Flooding

Started by Basement Health Oct 1, 2011. 0 Replies

Check out this helpful article if you live on Long Island New York.Long Island FloodingContinue

Tags: Flooding, Island, Long

New Code Enforcement in Minnesota

Started by Basement Health. Last reply by Basement Health Apr 5, 2012. 1 Reply

If the State and plumbing industry get their way a sump pump installation can only be done by a licensed plumber. This is amazing since most plumbers put in a five gallon bucket and leave it open to vent radon, ground humidity right up into the basement.There is a group of waterproofing contractors who have hired lawyers to defend the rights of waterproofing, radon and foundation repair companies so that they can continue to install sump pumps and drainage systems without having to hire a…Continue

Tags: Pump, installation, Sump, Meeting, Regional

Competitor or Colleague?

Started by Stephen Andras Feb 19, 2011. 0 Replies

It amazes me after 31 years in the basement waterproofing business how our industry is very different from other industries. Through my years of helping people solve their wet basement problems there has been only one place where a individual could share and learn from other waterproofing contractors. I am proud to say that since its inception in 1981 the NAWC (National Association of Waterproofing Contractors) has been a place where people could start talking to one another. The same proved…Continue

Tags: association, waterproofing, basement

will this work

Started by Lindsey Strait. Last reply by Peggy Yehl Jan 6, 2012. 3 Replies

I have a small amount of water(puddles) enter my basement a couple of times a year I didn’t think much of it last week I had someone stop by who was soliciting for various contractors I allowed the water proofer to view the basementhe told me it was in pretty bad shape and needed an inside draining system installed soon he wrote up a price of $14kbut if I had it done in nov they could drop the price to $10k then they called saying if price was a problem they could have someone else come out and…Continue

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Comment by John Bryant -Aquaguard Waterproo on March 11, 2013 at 12:36pm

Hi Brian,

Concerning epoxy crack injection we don't offer that service but we do refer it to a reliable contractor who has been doing injections for years. He only warrants his work for one year due to these reasons:

1.He is not sure the type of concrete  used during initial construction of the home.  Many times builders  use poor quality concrete

2.The soil around the house can cause extreme pressure - In the Washington DC area we have shrink/swell soils which can wreck havoc when it rains.

3.Epoxy injection, a lot of times, is a short term solution in this area


We recommend fixing the crack from the exterior with waterproofing membranes. When you epoxy you can still allow water to come in from the outside and water will find the path of least resistance.  In some cases, the soil pressure will cause the port holes to leaks or another crack can develop off the main crack. Many areas are different so our philosophy may not apply to - for example a sandy soil area, etc.


Hope that helps

Comment by Brian Egan on March 8, 2013 at 1:11am
Truth be told, any normal foundation crack that is being repaired by injection (epoxy/urethane), is only repairing the crack in it's current state. So when someone gives a " lifetime guarantee", why do they want to charge additional to come back? It is because they only guarantee the material and workmanship. There isn't anyone who will guarantee a foundation from moving on an average house.

Recently, I started relating cracks to children (kinda funny actually).
Example: foundation is 5 ft in height, crack starts from top, 3" in length... I call that a 3 month old baby....
Now, crack dies out 3" above floor, I consider that a seven year old child....

I know what I would do, and for very good reason too, but I would like to hear what others suggest or would do.
Comment by Brian Egan on March 8, 2013 at 12:52am
It doesn't seem there is much activity going on
Comment by Don Derry on December 15, 2012 at 2:25pm
6" gutter provide a much better solution to catching rain water in a heavy down pour. The warranty is only for gutter cover and that is the length of time we felt we wanted to cover. Thank you
Comment by Brian Egan on December 15, 2012 at 12:29pm
I realize that with a 6"-wide gutter, there should be no reason why the warranty cannot be for more than 10 years. I'm wondering why you imply give a 10 year since the cost is relatively higher than a 4"-5"wide gutter that could have similar results. I'm assuming that the wider gutter will still collect the asphalt run-off and build up in the gutter.
While rain water will flow faster off a higher pitch roof, a standard gutter system would do a better job than your over sized gutters w/raised leaf gaurd. I'm curious though, why people would sell systems to homeowners, especially when it's deemed over-kill.
Comment by Don Derry on December 15, 2012 at 11:10am
In Kansas City, we recommend the 6" wide gutter with the large 3x4" downspouts. We find that the larger downspouts will empty the gutters much faster, and that will eliminate the gutters overflowing. Also we just signed up with PermaFlow gutter protection, it is a gutter protection system that covers the gutter with raised openings, not flat. We give a 10 year warranty for no clog and the manufacture backs the warranty. I believe this is a very easy add on to any waterproofing business. I might add we will not be doing steep roofs or three stories of the ground stuff. If you want to help keep the basement dry gutter protection is the beginning to that.
Comment by Brian Egan on December 14, 2012 at 2:30am
It really doesn't matter what kind of gutters you put on a house. The inexpensive kind will last for years. The biggest problems with gutters are:
• They tend to twist and sag
• They get blocked up

Lets address the blockage.
Those plastic grated leaf guards... They keep only leaves and big branches out.
What about the asphalt that washes off the shingles, build up in the gutter. Now water doesn't have a proper flow. Winter arrives, temps are below freezing, sun melts the snow, sin goes down water in the gutter freezes, adding weight to the gutter causing it to sag from the ice build up. Spring brings rain. Water over flows at the sag point. Water from sag point drips close to foundation. Water soaks through soil down past footing, moving and eroding dirt and clay creating a void. Sporting settles down into clay. A slight shift causes connections/joints to seperate. The slight separation causes loose goes on and on until the original cause is corrected. All this can be avoided by a mere proper leaf gaurd.
Comment by Brian Egan on December 14, 2012 at 2:07am
Does anyone have thoughts about gutters? How about gutter-guards/leaf guards?
Comment by Brian Egan on May 4, 2012 at 1:06am
Does anyone even read anything here?
These posts are from lsat year
Comment by Brian Egan on May 4, 2012 at 1:05am
I am amazed, at some of the problems, and some of the replies.
I find it amusing to read about a DIY installing a make-shift "bleeder-system"in a cinder block wall. What she doesn't realize, is that either the holes get blocked up, or the drain guard will begin to deteriorate, block up, or no longer keeps water against the wall. I saw her system in a house two years ago, and thats what had happened. I had to charge more to remove sections.

Advocates (64)


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