Winter Basement Leaks - A Common Problem To Look Out For

I often talk about the importance of proper attic ventilation to prevent leaks but as the winter peaks, the basement takes center stage as the place in the house where water damage will most likely occur.

The temperature often rises after a big storm, making moisture a huge problem for homeowners. Standing water can find its way into your basement through non-structural cracks in poured concrete walls or deteriorated joints in masonry walls. Poorly fitted or old basement windows, as well as utility openings, can also let water in.

The best line of defense against a wet basement is to make sure that the water is directed away from the foundation. Inspect your gutters and downspouts to see if they are working the way they should be and also check to see that the ground right around the house is higher than the rest of the yard. Having the yard grade at its highest around the perimeter of the foundation will ensure water drains away from the house instead of into it.  

If you think your house is susceptible to leaks, you can also use a waterproofing membrane or coating to seal the foundation or basement area. However, if you have regular leaking problems, you may need to have a drainage or sump pump system installed by a professional.

Even if you don’t have a leak problem, the basement can get pretty damp from now through April, which creates the perfect environment for nasty mold and mildew to grow and fester. To get rid of the excess water, I always like to run a dehumidifier in the basement as the weather warms up. A dehumidifier works by pulling the moisture out of the air and storing the excess water in a holding tank. Many people keep dehumidifiers in their basement all year long to control the dampness that can often be felt in underground areas, but I find it especially useful this time of year.

You can find out if your basement is holding a lot of moisture by purchasing a simple five-dollar humidity gauge from the local hardware store. Ideally, you want the humidity to be under 50%. If it’s higher, a dehumidifier might be a good solution. Generally, a unit will come in 25, 30 and 40-pint models, and on average a 25-pint unit will be sufficient to control the moisture in a 1,000 square foot area.

One last word of advice - if you have a dehumidifier or plan on getting one, please be sure to empty it regularly and keep the filter clean. A simple wipe down with a damp cloth and spray bottle will do the trick to keep you breathing freely and ensure a longer life for the appliance.

Bob O’Donnell is the owner of O’Donnell Bros. Inc., a Bristol-based home improvement company established in 1975. Email your questions for Bob to info@odonnellbros.com with the subject line “Ask the Pro.” All questions may be considered for publication. To contact Bob for your remodeling needs, call O’Donnell Bros. Inc. at (860) 589-5155 or visit www.odonnellbros.com. Advice is for guidance only.

Ventilation is Key to a Safe, Healthy Home

I’m not shy about educating my customers about the importance of insulation in the home, especially during this time of year and with our recent, frigid temperatures. But even if you’re the one in every four people I talk to who has the right amount of insulation in their house, chances are that your ventilation is inadequate, which can be harming both your home and your personal health in more ways than you think.

In the winter, we crank up the thermostat, sending more heat and moisture into the living quarters of our homes than any other time of year. We all know that heat rises to the top, which means a lot of what we’re pumping into the house will quickly find its way through the ceiling and into the attic. Now, think about when you’re in a car and the windows fog up. What do you do? Usually, you’ll increase the airflow either by using the vents or just cracking a window. A house works much the same way, except that if you don’t have air flowing inside the attic, the heat and moisture just gets stuck there. If the attic is very warm, that moisture will develop into mold and mildew which can fester in your insulation and rot the wood. If the attic is cold enough, the moisture will freeze into little domes or even icicles until the temperature rises enough for the water to thaw and then be absorbed into all the places that it shouldn’t be going. Neither is a good scenario.

So what’s the best way to protect your home? Start by investing in a hygrometer which measures water vapor in the air. A comfortable humidity reading is 30%-60%, but 45%-55% is an ideal level to maintain. If you’re seeing higher than 60% humidity in any area of your home, it’s going to be susceptible to mold, mildew and bacteria growth.

Remember, attic ventilation allows your house to “breathe” so you want to balance your intake and exhaust to ensure that what is coming in is going out equally. The best ventilation system will include soffit vents which are installed underneath the overhang of the roof and take in the air and ridge vents which are installed at the top of the roof for the hot air to escape. For this method to work efficiently, all louvered vents must be sealed off and you have to ensure that your insulation isn’t blocking the airflow. Believe it or not, most roof manufacturers will void the warranty if a proper ventilation system is not installed. Luckily, new roofing technology enables contractors to add intake ventilation directly into the roof as opposed to using soffit vents, so if you’re in the market for a new roof, be sure to ask for that option.

It’s important to note that homes have different characteristics and what works well for one may not work well for another. With the right balance of air, homeowners can optimize their roof and maintain the overall health of their home and their families, but it’s always a good idea to get advice from a professional before taking on a big remodeling project. Stay warm friends.

Bob O'Donnell is the owner of O'Donnell Bros, Inc., a Bristol-based home improvement company established in 1975. Email your questions for Bob to info@odonnellbros.com with the subject line “Ask the Pro”. All questions may be considered for publication. To contact Bob for your remodeling needs, call O'Donnell Bros, Inc. at (860) 589-5155 or visit www.odonnellbros.com. Advice is for guidance only.

What To Do With Icicles in the Attic

This week I visited a homeowner who called me after he went up into his attic early one morning to get his Christmas decorations and he was shocked to find tiny icicles hanging from the rafters!  As the cold begins to set in, I suspect that many people in our area will start to see the same problem, so let’s dive right into the cause and the solution.

It might be hard to believe that icicles can form inside the house, but in many older homes that lack proper insulation and ventilation, the attic can become a magnet for condensation, which will freeze when it gets cold enough and the moisture has nowhere to go.

We all know that heat rises, and when we heat our homes in the winter, a lot of that warm air moves up through our ceilings and into the attic, rising all the way up to where it should be able to pass through the vents to the outside. However, if those vents aren’t working properly, the condensation and air have nowhere to go, so it collects on any cold surface below the dew point and turns into frost. After a while, this frost builds up to form icicles. The more moisture that builds up in the attic, the worse the problem will become. As temperatures rise and that ice and frost start to melt, it can saturate your insulation with water, causing mold and mildew problems as well as potential leaks in your ceiling. What’s worse is this isn’t even just a winter problem. Condensation build up can cause issues in your attic all year long.

So how do you stop the condensation from forming? Your first move is to look for sources that are pushing excess warm air into the attic. If you have a whole house fan, it’s a wise move to cover it as the louvers will be letting your valuable heat escape. Bathroom fans are another sure bet for letting air through and they will cause major condensation issues if they are blowing into the attic instead of venting directly outside. Finally, make sure your folding stairway is covered over with an insulated box or weather stripping to avoid losing that extra heat.

While sealing off places that allow excess heat to get into the attic is a great idea, the one thing you never want to do is seal off your attic vents. Attic ventilation is a system which includes intake vents in the soffit and exhaust vents at the roof’s ridge. If these vents get sealed or blocked, there is nowhere for the condensation to go, so it gets trapped and can easily manifest into a leak. Believe it or not, the average family of four generates two gallons of water vapor each day from cooking, cleaning, showering, laundry, and breathing. If that water is left sitting in the attic, you’re going to have a problem.

With colder temperatures settling in, now is a great time to take a look up in your attic to see if you have any frost or icicles culminating in your home. Next week I’ll tell you more about how to properly ventilate and insulate an attic to make sure your property isn’t prone to leaks and other condensation-based damage in the future.  

Bob O’Donnell is the owner of O’Donnell Bros. Inc., a Bristol-based home improvement company established in 1975. Email your questions for Bob to info@odonnellbros.com with the subject line “Ask the Pro.” All questions may be considered for publication. To contact Bob for your remodeling needs, call O’Donnell Bros. Inc. at (860) 589-5155 or visit www.odonnellbros.com. Advice is for guidance only.