Sealing Air Leaks Outside The House – 2

Yesterday we way how old caulking can shrink and stop preventing air leaks around water pipes entering the home to cost you higher home heating costs in the winter and higher air conditioner costs in the summer.

Today we start to look at the west wall of our home to see if we can locate any air leaks which we can seal for our house and which you can add to your collection of home maintenance tips and energy conservation tips to use for your own home.

First we find one around what I believe is the main electrical cable entering the house.

electrical cabling air leaks Sealing Air Leaks Outside The House   2

Cant see any air leaks? Take a closer look at where the grey plastic housing for the electric cables is entering the house at the lower right of the picture. The close up is provided below.

electrical cable casing closeup Sealing Air Leaks Outside The House   2

As you can see from the above picture, they used mortar, not caulking, to try and seal out the air leaks. Hmmm.

air leak sealed around electrical cables Sealing Air Leaks Outside The House   2

So, as shown in the above picture I simply applied the indoor / outdoor caulking around the entire base of the grey plastic tube containing the electrical cabling to seal the leak. Again, a little messy but that’s OK; the objective is to seal the air leak to save you heating and air conditioning costs in the winter and summer, respectively.

Also on the outside of the west wall another leak we found was around what I think is the old cable for the TV signal.

tv cable air leak Sealing Air Leaks Outside The House   2

As you can see above, the initial caulking has shrunk revealing an air leak.

old caulking removed Sealing Air Leaks Outside The House   2

So, remove the old caulking as the first step, per the above picture.

caulking applied to cable air leak Sealing Air Leaks Outside The House   2

Then apply the new caulking, again per the above picture.

To continue to see even more areas of air leaks we found on our west wall, simply select this link to Part 3.

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