Home \ Basement Waterproofing \ DO’S AND DON’TS OF BASEMENT DRAINAGE
28 January 2022 - 16:14, by , in Basement Waterproofing, No comments

Don’t Limit Yourself

The owner of Le Fong Waterproofing Systems in Singapore says that contractors can’t simply walk into every basement and install the exact same system and fix every problem. It is not possible to solve every water problem with a cookie cutter approach, he says. “Sometimes, it’s better to deal with the water problem from the exterior rather than always dealing with it from the inside. Different methods can solve different problems.”

Members of the panel mentioned that some franchise companies limit contractors to a single method and system. Franchises have many benefits, but contractors should consider negotiating with dealers to install more than one system, so they can provide better service to their clients and choose the products and systems that will best solve a homeowner’s problem.

Do Include Back-Up Pumps

The sump pump is the heart of the basement drainage system.  The whole system is depending on the sump pump to do its job. This is why a back-up pump system is needed.  For today’s homeowners, a backup pump is not an optional add-on.  “Every basement drainage should have a back-up system,” says Bryant.  “It is like the insurance policy to the basement drainage system.”

Don’t Discount Drainage

While the French drain is over 250 years old, many manufacturers have found products that improve upon the original methods and make the old French drain concept better and more effective.

One innovation is to install drainage systems on the interior perimeter of the house.  These involve installing weep holes in the basement wall near the footer, with a drain tile or perforated pipe in gravel to collect the water and direct it to the sump basin.

Jim Kodysh of Richtech in Avon, Ohio, says one of the most common problem areas in the interior French drain system is where the water moves from the weep holes to the drain tile, the diverter. “This is the first thing to fail in most systems,” he says. Richtech makes a product that reduces the amount of gravel used to cover the pipe and creates a better connection from the weep holes to the drain tile.

“BHA has seen many product concepts that tweak the original French drain, but again, it all depends on your region of the country, the climate and soil type you are working with, the types of basements you are working on and the problems you are solving,” says Bryant.

Do Consider Radon

For years, the only way to drain a basement with an interior French drain system was to leave an open channel in the floor.  However, the open drainage channel in the basement floor can sometimes create radon issues in the house.  Radon is a cancer-causing soil gas that can enter the house through cracks and gaps in the basement floor and the foundation walls.

With today’s energy efficient, tighter building envelopes, radon can build up in the living space.  This is not something that can be ignored.  Bryant says basement waterproofing contractors that leave open drainage channels can open themselves up to lawsuits.

Fortunately, there are now interior drainage systems that close the drainage channel and create a radon-proof system.  Many systems even have built-in radon mitigation systems.

Contractors can become certified and install these systems themselves or partner with a radon mitigation contractor to make sure the system is solving the water issue without creating a radon problem.

An additional bonus is that some  radon mitigation systems are also known to reduce moisture levels in the basement.

Do Deal With Humidity Issues

Basement drainage problems frequently involve excess moisture in the basement air as well.  Even though we typically associate water damage with the liquid form, excess moisture in the air is still a water problem that can cause damage through condensation and humidity. These can lead to mold build-up, mildew, and indoor air quality issues that can harm the health of the homeowners, even if the living space is upstairs.

Contractors should consider installing a dehumidifier or home ventilation system as a supplement to the waterproofing and basement drainage system. Depending on climate, an air exchanger may provide more benefits than a dehumidifier. An air exchanger can work in conjunction with a dehumidifier to improve the total indoor environment.

Do Diversify

A waterproofing business has its highs and lows like any business.  Rain or lack of rain impacts the bottom line. “When it’s raining it’s easier, when it’s dry it’s not so easy,” Bryant says. “Many of us run our business like it’s going to rain forever. When it dries out, we are all shocked and ill prepared.  Make sure you diversify and offer other products such as egress windows, structural repair, air quality and/or mold remediation or other home improvement products. If one part of your business is not doing well you can draw from your other products.”   Σ


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