Improving Energy Efficiency With XPS Insulation

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No client wants to deal with moisture in their walls or high energy bills in their new home. By choosing the right exterior insulation, you can dramatically improve the comfort and energy efficiency of your client’s home.

Exterior insulation helps slow down or even stop thermal transfer, and when installed properly, can help prevent thermal bridging. It does all this while making the interior of the home more comfortable, thanks to fewer drafts and cold spots. All of these things combined work to improve the energy efficiency of the entire building.

To gain this energy efficiency, you need to create a tight building envelope with no air or moisture infiltration. These two issues can cost your client money down the road, which can give your company a bad reputation.

Choosing XPS for your project’s exterior insulation can help you improve energy efficiency, avoid costly future issues and make the property more comfortable, all at the same time.

About XPS

Extruded polystyrene insulation, or XPS, is a closed-cell, rigid insulation that allows for fewer air gaps and issues than the more commonly used expanded polystyrene insulation.

The closed-cell structure of XPS makes it strong, durable and long-lasting. It has a compression strength superior to expanded polystyrene insulation and is one of the few products that can provide both insulation and moisture management at once. With just one product to install, XPS helps you get your job done more easily while providing benefits that your clients will see for years.

You’ll find XPS in rigid foam board which is easy to install over the exterior of a home, including over existing siding. XPS boards come in several thicknesses, with some measuring as thin as a quarter inch. This allows you to insulate without adding a lot of bulk to the exterior.

Being able to use a thin board is a huge benefit when you need to install insulation over existing siding. It doesn’t dramatically increase the thickness of the walls and has a smooth and level surface, ideal for installing new siding over old siding.

XPS is also considered water-resistive and can promote moisture management in the home’s building envelope. Use it alone or with an interior vapor barrier for extra protection. For optimal performance in regions with fluctuating temperatures, you can also perforate the surface for better moisture management.

How XPS Improves Energy Efficiency

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Continuous insulation is the best defense that any home has against high energy bills. Normally, insulation is only installed in between studs. This can let thermal transfer occur through the studs. However, XPS boards can be installed over studs, providing continuous insulation.

Because the studs make up 25% of the home’s exterior, using XPS as a continuous insulation provides superior protection against energy loss than standard, cavity fill insulation.

When it comes to insulating, the R-value of the insulation you choose is equally as important as where you install it. XPS has an R-value of R-5 per inch of thickness, which is better than the more common expanded polystyrene, whose R-value ranges from R-3.6 to R-4.2.

And unlike other forms of continuous siding insulation, XPS doesn’t lose its R-value through degradation over time. This means your client will continue to reap the benefits of increased energy efficiency years after they’ve moved in.

Use the Best Insulation for Your Project

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XPS is a consistent material that performs well in every application. It provides a good underlayment for all your siding options, whether you are residing an older home or building a new home.  

Contact Kingspan today to determine if our line of XPS products are right for your next project.

Kingspan Insulation North America

Head Office & Sales Office – North America

Kingspan Insulation LLC

2100 Riveredge Parkway, Suite 175

Atlanta, Georgia

USA

30328

Call: +1(800) 241 4402

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