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Local Articles in San Antonio

6 Questions to Ask a Basement Waterproofing Contractor

Ask your basement waterproofing contractor these key questions.

What to Expect with Basement Waterproofing

Does your finished basement have seepage? Does water find a way in, and make you wonder if you need foundation repair?

laying in grass, flower in toes
Pest Control/Exterminating, Decks & Porches, Pool & Spa Service, Landscaping & Lighting, Lawn & Yard Work, Lawn Fertilization & Treatment, Lawn Irrigation, Painting - Interior, Remodeling - General, Remodeling - Basements, Remodeling - Kitchen & Bathroom, Upholstery Cleaning, Carpet Cleaning, Basement Waterproofing, Heating & A/C, Moving, Real Estate Agents, Locksmiths, Storage Facilities, , Auto Service, Travel Agencies, Travel Medicine, Animal & House Sitting, , Animal Boarding Kennels, Animal Grooming, Hair Salons/Barbers

Use this handy guide to tackle some of the key summer maintenance tasks.

water-powered sump pump
Basement Waterproofing

A water-powered back-up sump pump can operate and remove more than 1,000 gallons per hour.

A broken water main caused a woman's home in Northern Virginia to flood. (Photo courtesy of FEMA)
Basement Waterproofing, Water & Smoke Damage, Plumbing, Remodeling - Basements

Broken water main floods Virginia woman's basement

standing water in basement
Basement Waterproofing, Plumbing - Drain Cleaning

Worried about basement flooding? Along with keeping up on leak repairs, you may need a sump pump.

Angie's Answers

Mold in a basement is a common problem. My company helps people with this every day. Some of the answers you received were helpful but not all the information is correct. First, you need to eliminate the two main ingrediants that mold needs to survive. The first one is water intrusion. This is a must. I am assuming you have no water intrusion as you make no mention. The second componant that needs to be eliminated is moisture. Moisture is also humidity. Basements need to be kept airtight in the summer months. Some folks have posted that you need air flow in your basement. Nothing could be furthur from the truth. When you open any windows for example, not one micron of air goes out of the basement, Warm humid air is sucked into the basement. Houses suck air into the basement and it meets the cool surfaces and skyrockets humidity. The windows must be kept closed and a dehumidification device installed to ensure humidity stays below 60% humidity. The dehumidifier should be energy star rated and purchasing a seperate humidity guage is a must to monitor the unit's progress. We like to keep our customer's basements at 50% humidity. This eliminates the smell that is active mold spore growth. Once the water and humidity is brought under control. Remove the organic materials that have mold on them. Walls, sheetrock and studs that have been affected. Follow the advice of previous posts as you must ensure that you do not affect the rest of the home. Once removed, install new walls using as much inorganic material as possible. We also install vapor barrier over the walls and seal the floors to stopwater vapor transmission into the basement. Poly plastic is not a acceptable vapor barrier. It is not "zero-perm" and will still allow moisture transmission. It will also crack and break into pieces over the years. A PVC liner rated "zero-perm" is the correct product in this application. Depending how large the basement is and if it is sectioned off will determine the dehumidifier strength. We use the Santa Fe line of dehidifiers as they are super energy efficiant and work like a dehumidifier on steriods. I hope this helps and I wish you the best in Basement Health!

Where is the home located, what is the exterior wall construction and type, how is the space heated?


It could be a whole host of different scenarios that would generate that result.  It is nearly impossible to tell but I would say that most basement moisture problems are a result of bulk moisture intrusion or condensation issues. 


Given the deep and hard winter this year, it could be a condensation issue that hadn't previously been shown.




Waterproofing Contractors in San Antonio

Companies below are listed in alphabetical order. To view top rated service providers along with reviews and ratings, Join Angie's List Now!

A & I Maint. Plus

1700 Jackson Keller Rd
San Antonio

A Home Maintenance and Repair

1051 country club drive


214 Weathercock Lane
San Antonio

A&A Remodeling

San Antonio

Advanced Foundation Repair

10192 E IH

Advanced Industrial Coatings

2631 Lions Den
New Braunfels

American Handyman Services

15314 Winged Foot

B. A. Construction

San Antionio


3306 Clark Ave.
San Antonio

Beldon Roofing Co

5039 W Ave
San Antonio

Butler Commercial Services

460 Caney Creek Rd
New Braunfels

Capital City Maintenance & Waterproofing

401 East Applegate Dr

Citibuilders Inc,

P.O. Box 702016
San Antonio

CJ House Leveling Inc

5035 Cabin Lake Dr.
San Antonio


San Antonio

Earth General Construction

5010 Lakebend East Dr
San Antonio

Galvez Works

12010 Warfield Dr
San Antonio


PO BOX 33594
San Antonio

JVJ Company

2611 Cloudy Mdw
San Antonio

Madrigal Construction

2915 Wacos Dr
San Antonio

MAG Specialty Caulking & Home Improvements

9635 Sandflat Pass
San Antonio

Peak Contractors, LLC

100 Taylor St.
San Antonio

Posh Interiors

110 west st.

QLC - Plus Landscaping

5435 Silvertip Dr
San Antonio

Rigidize Foundation Technologies

1493 N IH 35 Ste 305
New Braunfels

RK Construction Co

PO BOX-781243
San Antonio

Sun Roofing Co

7801 N Lamar Blvd

Tal-Tex Waterproofing, Inc.

PO Box 701967
San Antonio

Terminix - San Antonio

1850 Grandstand Dr
San Antonio

The Carpenter's Hand

5318 Chestnut View
San Antonio

The Home Depot - Culebra

5638 W Loop 1604 N
San Antonio


4110 Kirby Dr
San Antonio

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