Jamison Waterproofing
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Basement Waterproofing and Crawl Space Repair Services in Havertown, PA

For over 30 years, Jamison Basement Waterproofing has been serving the residents of PA and NJ, offering the best solutions for wet basements, problem crawl spaces. Jamison Basement Waterproofing is the only company in offering the Healthy Basement and Healthy Crawl Spaces certificates. With proper maintenance, certified basements and crawl spaces are protected against future problems by the best waterproofing technologies in industry.

Jamison Basement Waterproofing is proud to be the sole authorized, and certified Healthy Basement Crawlspace Contractor for Greater Philladelphia & surrounding areas in PA and NJ with the Grate Products National Contractor Network.

Jamison Basement Waterproofing Services in Havertown, PA

At Jamison Basement Waterproofing, we offer a variety of services from foundation repairs to basement windows. We offer the following services in your area:


iBasement Systems & Crawl Space Systems Certificates in the Philadelphia Area

The iBasement Systems and Crawl Space Systems Certificates were created using specific sets of criteria to provide a healthy indoor living environment. Air pollutants and excessive moisture levels in the basement or crawl space can negatively impact the odors in the home as well as cause health problems with those who live there year-round - including yourself!

We offer 6 levels of iBasement Certificate, and 5 levels Crawl Space Systems Certificate, each designed to solve specific problems and protect your home, family, and property value on the long run.

Steps towards a healthy basement and a Nationally Backed Warranty.

All of our Healthy Basement / Crawl Space Contractors are trained and certified.

Steps towards a healthy crawl space and a Nationally Backed Warranty.

All of our Healthy Basement / Crawl Space Contractors are trained and certified.

Why Customers in Havertown, PA choose Jamison Basement Waterproofing

There are many reasons why you should trust Jamison Basement Waterproofing to fix your wet basement or foundation issues, among many other residential problems. Here are just a few reasons why we're the best choice:

  • Over 30 years of experience and reputation in Philadelphia  & nearby towns in PA & NJ – we are a company you can trust.
  • Locally owned and operated.
  • The most advanced waterproofing products available.
  • The most certified waterproofing specialists (CWS) in the Northeast. Our  certified basement waterproofing specialists are available to address even the most challenging basement issues.
  • Expertly trained project managers who design best-in-class systems and oversee every Jamison Basement Waterproofing project.
  • Fully insured - we carry general liability, truck insurance and all our employees are covered by worker's compensation insurance.
  • Basement Health Association member
    (CSRS) Certified Structural Repair Specialist on staff.

Completed Jobs from Havertown, PA

  • Michael H from Havertown, PA
    March 12, 2020
    Jamison Basement Waterproofing solved the water and dampness issues by installing a GrateDrain subfloor ( closed ) drainage system with a GrateSump System to ensure the basement would stay dry at all times...Jamison also installed a moisture vapor barrier behind the finish walls to protect against basement wall leaks . Now the basement can be re-finished without fear of mold growth . ..
  • Beth Y from Havertown, PA
    March 05, 2019
    Project Manager Dave was sent out to meet with the homeowners and after a short meeting he recommended an Egress Window be installed. Dave also recommended a full perimeter drainage system ( Grate-Drain ) to insure the basement stays dry for the life of the structure.Now the homeowners will have peace of mind that their new investment will be protected.
  • Bill G from Havertown, PA
    November 24, 2017
    Certified Crawlspace design specialist Steven Custus went out to do a full inspection this crawlspace. And from his findings he came up with the solution of to removed the debris and sprayed a Mold treatment to prep for the Crawlspace encapsulation.But first To direct water out of the crawl space, Jamison installed a new GrateSump pump. If water enters the crawl space, it flows beneath the CleanSpace liner, across drainage matting into the drainage system to the sump pump. The SuperSump then pumps the water out of the space through a discharge line 15ft away from the house. We also removed the rotted wood supports and installed steel piers for proper support.Than the durable 16 mil thick liner made of many layers of polyester cord reinforcement. Mechanically fastened on the walls and florof the crawl space . The CrawlSheild provides a barrier for any water that may enter the Crawlspace space. One of the greatest top benefits of CrawlSheild is the antimicrobial additive manufactured into the liner. This odorless and safe additive prevents mold growth on the inside of the liner.This crawl space is no dry useable for many years to come . Thanks to the Crawlspace professionals at Jamison Basement Waterproofing.Crew Foreman: Dwight CustusProject Manager Steve Custus
  • Mike A from Havertown, PA
    September 16, 2017
    Project manager Steve Custus went out to give the homeowners a free estimate. Steve recommended a full perimeter (Closed ) Drainage system called (Grate-Drain ) the GrateDrain Drainage is the most efficient and healthiest Drainage system on the market, with inspection ports at ever turn this system is extremely effective. The GrateDrain system will drain the water under the basement slap to the Grate-Sump with is a closed Sump pump Basin with a Fast Sump that can remove 2400gallons a hour . The Grate-Sump also comes with an Back up inverter for 24hour protection against pump failure .We also installed a sealed vapor barrier on the walls that will drain any wall leaks down into the GrateDrain system , the vapor will ensure the homeowners that their finish basement will be protected from future wall leaks .Now the homeowners are on their wall to adding another 800 sq ft of living space to their home . Thanks to Jamison Basement Waterproofing
  • Danielle H from Havertown, PA
    September 09, 2017
    Project Manager Steven Custus came out to do a full Basement inspection and that resulted in a ( Closed) basement waterproofing drainage system that resolved all water related issues. The system included 126 ft. of a sub-floor (French drain ) rested in front of the foundation footer where water would routinely leak called ( Grate-Drain) . The GrateDrain system was placed around the full perimeter of the entire basement with clean-out ports for future inspection of the system . We also installed a moisture vapor barrier on the walls to protect the future finished basement from any wall leaks. Since the basement was large and water seepage was significant, a Grate-Sump sump was installed which can handle 2400 gallons of water per hour yes 2400 per hour ! The water will be pump away from the foundation and the basement will stay dry .At Jamison Basement Waterproofing we use the most state of the art Drainage system to ensure all our customers a Dry Basement for the life of the home ..
  • Ann D from Havertown, PA
    May 02, 2017
    The solution we provided was rust casting the walls with two coats of stucco mixture cement coating to the foundation walls , with wire lathe for extra strength.. We also rerouted the Sump pump discharge line ..Now the crumbling of the stone foundation are eliminated .
  • Aggie B from Havertown, PA
    June 14, 2017
    We replaced the existing Sump pump Battery Back up , with a new 24hr back up inverter that will allow the homeowners primarily Sump pump to work even when there is no power . So now the homeowners have peace in mind when the power goes out during a storm.
  • Kathy W from Havertown, PA
    May 24, 2017
    Because of the recent rain our project manager and the property owner was able to see what corner of the Basement the water was seeping in and Was able to come up with a quick fix to get this home back on the market . So he proposal a new Grate Sump with a partial grate drain drainage system to guarantee the basement stays dry at the area that we treated and is transferable to the next homeowners ..Within two days the property homeowner and realtor was able to get the house back listed now that the basement Waterproofing issues was solved..
  • Anita D from Havertown, PA
    May 05, 2017
    Project Manager Steve Custus went out and solved this problem a few 100 times before so he knew exactly what to recommend. He recommended a window well drain that would catch any water inside the window well before it reaches the window and channel the water in the grate drain drainage system below that will channel the water to the Grate Sump .Crew Foremen: Dwight C
  • Adam B from Havertown, PA
    January 27, 2017
    Project Manger Steve Custus went out and met with the investors . He recommended a Grate- Sump basin with a built in pump stand , air-tight sump lid with a floor drain and because of the high water levels he recommended a higher capacity Sump pump with a dual float switch to ensure them they won't have another issue when it comes to the Sump pump.
  • Scott T from Havertown, PA
    February 12, 2019
  • Dave from Havertown, PA
    August 23, 2016
    We provided a grate sump with drainage system along on pe wall we also cut the finish walls 4ft high and ran 4ft vapor barrier up the walls as well .