DIY Home Insulation: 4 Common Mistakes To Avoid

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Overseeing Residential Construction Projects

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DIY Home Insulation: 4 Common Mistakes To Avoid

23 May 2016
 Categories: Construction & Contractors, Blog


Spray foam insulation is a very economical and quick way to insulate any enclosed space. Many homeowners opt for this type of insulation because it can often be applied without the help of a professional. Unfortunately, most homeowners aren't aware that spray foam insulation isn't foolproof. In order for application go to smoothly, you must be careful to avoid these four, all-too-common mistakes:

1. Not Mixing Thoroughly

The chemicals inside the spray foam insulation are a bit temperamental. If they are not thoroughly mixed, they may begin to separate. If this happens, you'll notice that the foam will begin to pull away from whatever you applied it to. This can be a huge problem, as you will likely have to re-spray the entire area. Another problem you might face is unpleasant lingering odors, which is also caused by separation. So if you are planning to take a DIY approach, make sure you shake the can very well to mix the ingredients inside it very thoroughly.

2. Layers That Are Too Thin

Another mistake that can cause huge problems is not applying enough of the insulation. In order to work properly, you must apply the insulation to a specific thickness. You can determine the amount of foam needed by reading the directions on the can. Just make sure you follow them; otherwise, you might find that the insulation doesn't work properly.

3. Rushing Through The Job

While spray foam insulation is fairly easy to apply, it is important that you take it slow. Rushing the job could leave you with a mess. It could also leave areas completely uncovered, which will often be visible from holes or cracks. A small area left uncovered might not seem like a big deal, but it is. If the entire area isn't insulated, you won't receive the energy savings you are after. You also won't be able to keep the area at a regulated temperature. So work slowly to ensure you cover every inch of space that needs covering.

4. Poor Weather

Finally, make sure you only apply the insulation during good weather. Typically, the best days to apply it are on dry, warm days. However, there may be other factors to consider, such as specific temperature ranges. You can find out the information about what type of weather is best by looking at the manufacturer's directions.

While spray foam insulation is possible to do yourself, it is easy to mess up. So make sure you avoid these four common mistakes to ensure your DIY insulation job goes smoothly. If you do encounter an error, be sure to contact an insulation professional for help and advice.