Expert SIDING Installation & Replacement

LP SmartSide Siding

40 Years of Experience

Certified Professionals

Superior Workmanship with Proven Reputation

Stress-Free Process

Thermo-Seal Windows, Siding & Roofing, Inc.

LP SmartSide Siding Installed by Thermo-Seal: Engineered Strength with Real Wood Style

LP SmartSide siding combines the natural look of wood with the durability of engineered materials—offering homeowners a beautiful, impact-resistant alternative to traditional wood or fiber cement. Built to perform in harsh climates, LP SmartSide is ideal for homes in the Northeast that need superior protection without sacrificing style.


Thermo-Seal installs LP SmartSide engineered wood siding throughout New York and Connecticut. With 40+ years of exterior remodeling experience and a full-time, in-house installation team, we deliver professional results that protect and enhance your home for years to come.

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Thermo-Seal SIDING replacement

Why Choose LP SmartSide Siding?

LP SmartSide is a leader in engineered wood siding, designed for enhanced durability, flexibility in design, and long-lasting curb appeal.


Key benefits of LP SmartSide siding include:


  • Engineered wood construction treated with SmartGuard® to resist moisture, termites, and fungal decay
  • Authentic wood grain textures with deep shadow lines for a natural look
  • Multiple styles: lap siding, panel siding, shakes, and vertical siding
  • Impact resistance that surpasses traditional fiber cement in some tests
  • Lighter weight than fiber cement, making for easier handling and cleaner installations



LP SmartSide is perfect for homeowners who want the look of real wood without the maintenance headaches or vulnerability to the elements.

Expert LP SmartSide Installation by Thermo-Seal

Proper installation is key to unlocking the performance benefits of engineered wood. Thermo-Seal’s in-house team follows LP SmartSide’s installation guidelines to ensure your siding looks great and performs as expected in all weather conditions.


With Thermo-Seal, you can expect:


  • A free in-home consultation with tailored product guidance
  • Clean, expert installation by full-time siding professionals—no subcontractors
  • Attention to detail with every cut, seal, and finish for a flawless result



We take pride in doing it right the first time—protecting your investment and enhancing your home’s value.

FAQs About LP SmartSide Siding

  • What is LP SmartSide made of?

    LP SmartSide is an engineered wood product made from wood strands bonded with resin and treated with SmartGuard®, a proprietary process that enhances moisture, decay, and pest resistance.

  • Is LP SmartSide more durable than traditional wood siding?

    Yes. LP SmartSide is specifically engineered to resist issues that affect traditional wood, including rot, termites, and warping.

  • Can LP SmartSide handle Northeast weather?

    Yes. LP SmartSide is designed to perform in freeze-thaw cycles, humidity, and temperature extremes, making it a reliable choice for homes in New York and Connecticut.

  • Does LP SmartSide come prefinished?

    LP SmartSide is available primed for painting or with a factory-applied finish (LP® SmartSide® ExpertFinish®) in a variety of colors.

  • How long does LP SmartSide last?

    When installed properly and maintained, LP SmartSide siding is built for long-term durability, often outperforming traditional wood and matching or exceeding other premium siding materials.

Protect Your Home with LP SmartSide from Thermo-Seal

Ready to upgrade your home’s exterior with the strength of engineered wood and the charm of real wood grain? Contact Thermo-Seal today to explore LP SmartSide siding options and schedule your free consultation.

Request A Free Estimate Today

Request A Free Estimate


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Services We Offer:


Thermo-Seal Windows, Siding & Roofing, Inc.

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Contact Info.

Phone Number:

Email Address:

Showroom:

456 Sunrise Highway, Rockville Center NY 11570 - (516) 689-7214

Rye Corporate Office:

411 Theodore Fremd Avenue, Rye NY 10580 - (914) 635-3748

Stamford Office:

263 Tresser Blvd., Stamford, CT 06901 - (203) 990-1812

Melville Office:

68 South Service Road., Melville NY 11747 - (631) 710-6937

CLIENT REVIEWS

What Our Clients Are Saying About Us

Thermo-seal Windows provides exceptional customer service alongside high-quality products. Recently, I had the majority of my home's windows replaced by Aaron's team, and their performance was nothing short of impressive. They arrived on time, maintained a tidy work area, and dedicated themselves to ensuring a perfect installation of the windows.

Leonora M.

CLIENT REVIEW

5 Stars Rating

Aaron and his team were amazing, from start to finish! They worked with us every step of the way and Aaron was always just a call or text away to answer any questions we had. The windows are perfect and we love them. We highly recommend working with Aaron and his team. They are professional, courteous and their work is top notch!

Juliane P.

CLIENT REVIEW

5 Stars Rating

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