Enhance the Appearance, Value and Energy-Efficiency of Your Home

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Insulation does a lot of good things when used beneath Alside vinyl siding. It increases the R-value of the siding for improved energy-efficiency. Plus, insulation provides a flatter wall surface so that siding installation can be tighter and more attractive. And it can improve the resale value of your home.

Alside offers a choice of ways to insulate your siding:

The Platinum Series Insulation® line of products delivers energy savings while improving the straightness and appearance of your exterior.

An increasingly popular alternative, Insulated Vinyl Siding features new technologies combining traditional vinyl siding with a precisely contoured insulated underlayment. These products deliver outstanding R-value for energy savings, and provide additional benefits such as straighter course lines and increased impact resistance.

Platinum Series Insulation®

Two Ways to Improve Your Energy-Efficiency

All Platinum Series Insulation® is made from extruded polystyrene foam. When properly installed over old siding, it provides a continuous layer of thermal and air infiltration protection.

Features and Benefits

  • Is highly resistant to cracking, denting and tearing
  • Helps prevent warping and delamination 
  • Provides a solid, flat surface for new siding installation 
  • Does not crumble and clutter the jobsite
  • Cuts cleanly and evenly for tighter installation

Platinum Series Fanfold Re-Siding Underlayment

This extruded polystyrene underlayment provides improved R-value and a solid, level base for new siding. A clear plastic film laminate provides strength at the “cut and fold” hinge so that the panel lays flat against the wall.

  • Perforations eliminate trapping of water vapor behind the panel
  • Highly resistant to cracking, denting and tearing 
  • Low moisture absorption
  • Flexible — bends easily around corners without cracking
  • Pre-printed grid lines ensure accurate installation
  • Available in 1/4” and 3/8” thicknesses 
  • Available in 3/8“ thickness with reflective facer to deflect solar energy

Platinum Series Insulation Board with Interlocking Edges

This extruded polystyrene foam insulation board features shiplap edges for a tight fit and improved energy-efficiency – up to 3.8 R-value. The interlocking sheets provide a continuous layer of thermal and air infiltration protection.

  • Reduces energy costs
  • Resists air and moisture 
  • Does not hold water
  • Retains R-value long-term
  • Cuts easily and cleanly
  • Doesn’t crumble 
  • Available in 1/2” and 3/4” thicknesses

Alside Insulated Siding

Your Home’s Most Effective Defense Against Weather & Aging

Alside Insulated Siding is a new, more effective approach to home insulation and siding support. It is manufactured of expanded polystyrene in profiles that precisely fit the contour of the siding panel. It provides exceptional insulating properties, with up to 5 times the R-value of conventional insulation. So you enjoy significantly lower heating and cooling bills. It also keeps your siding looking new by keeping it from sagging, denting or being pulled off the wall by high winds. Plus, it keeps your home quieter. It won’t rattle and provides a barrier against outside commotion. Yet it won’t absorb or retain moisture and can’t contribute to mold growth or “sick home syndrome.”

Homeowners are rapidly discovering that Alside Insulated Siding can help to pay for itself in energy savings and increased home value.


Platinum Series Insulation® Warranty

Prodigy® Insulated Siding Warranty

Charter Oak® Energy Elite


Call us 816-365-0845 for a FREE In-Home Estimate with no obligation.

4 Seasons Siding and Windows has a dedicated team of professionals ready to assist you in your siding and replacement window decisions. Our sales consultants are here to help you solve your siding and replacement window problems by assessing your needs and offering proven and proper solutions. We won’t sell you something you don’t need. Our installers are trained and licensed to work inside and outside of your home. You can rest assured that your project will be installed with the utmost highest quality available. We are the best and we will prove it to you. We are licensed and fully insured with both liability and Worker’s Compensation Insurance which protects you as a homeowner!

4 Seasons Siding and Windows installs windows and siding and serves as your siding contractor in northwest Missouri in the following areas:  St Joseph, Kansas City, Agency, Avondale, Birmingham, Camden Point, Cameron, Claycomo, Cosby, De Kalb, Dearborn, Delaney, Easton, Edgerton, Excelsior Springs, Farly, Faucett, Ferrelview, Gladstone, Gower, Hampton, Hemple,  Kearney, Lathrop, Lawson, Liberty, Mosby, North Kansas City, Osborn, Parkville, Platte City, Platte Woods, Plattsburg, Pleasant Valley, Randolph, Ridgley, Riverside, Savannah, Smithville, Stewartsville, Trimble, Waldron, Wallace, Weatherby Lake and Weston.

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