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Residential Roof Waterproofing: What You Need To Know

10 July 2020 by Leslie Turner

Is your home's current roof waterproof? You might assume so, but the truth is that most traditional roofing systems (including dimensional asphalt roofs) are not designed to be completely waterproof. However, many experienced roofing companies offer roof waterproofing as an additional service to give your home added protection and peace of mind. By learning the ins and outs of roof waterproofing, you can determine whether this investment is worth making on your own property.

How Does Roof Waterproofing Work?

Conventional roofing systems are designed to be water-resistant. This means they can reasonably prevent a majority of moisture from making its way into your home. However, no conventional roof is 100% impermeable to water unless it has a waterproof system installed. Roof waterproofing can be added at the same time that your roof is installed, or this service can be done retroactively.

There are a few different waterproofing systems available for roofs, including waterproof membranes that are installed underneath your shingles. These are typically made of either silicone, polyurethane, or even acrylic. Waterproof sealants are another option that can be installed retroactively in areas of an existing roof that may be weakening.

Benefits of Roof Waterproofing

Of course, the most obvious benefit of waterproofing your roof is protecting your home from water damage down the road. Moisture leaking in through your roof can lead to serious and costly problems inside your home, including mold and even wood rot. What many homeowners don't realize about roof waterproofing, however, is that it can also help to save on cooling bills by reflecting UV rays away from your home during the hottest months of the year. Roof waterproofing materials also come with fire-proof features, so you can enjoy a little extra protection and peace of mind from house fires.

Is Roof Waterproofing Right for Your Home?

The cost of roof waterproofing can vary based on the size of your roof as well as its style and pitch. In general, you should expect to spend up to $5 per square foot of waterproofing material for a flat roof, including labor. However, costs can also vary depending on the type of waterproof material you choose.

If you plan on being in your home for a while, the investment you make on a waterproof roof can pay off many times over, especially when you consider the potential energy savings and savings you will receive on long-term roof repairs.

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