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Four Decades As The Most Reliable Roofing And Siding Contractor In The Lehigh Valley

Experience The “Advance” Advantage: Punctual Pros, Veteran Crews, And A LIFETIME Labor Warranty

Work With The Best

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A headshot of Robert Mirth, the owner of Advance Exterior Solutions
A Message From Robert Mirth, Owner

No Pressure. No Shortcuts. Just Honest Work.

I grew up in the exterior trade. My father started his business in 1980, and I spent years watching him build a reputation across the Lehigh Valley. He taught me that if you treat people with respect and do exactly what you say you’re going to do, the rest takes care of itself.

I eventually launched Advance Exterior Solutions in 2012 while still helping my father run his company. When he reached retirement, I made the decision to keep that family tradition of excellence alive.

So, when you call us, you're getting an honest assessment of your home, backed by over 40 years of trade experience. We are local. We are family-owned. And we stand behind our installation with a lifetime workmanship guarantee. If you want a contractor who respects your time and your property, we’re ready to help.

Our Story

Lessons From Four Decades in the Trade

Since 1980, our family has focused on doing things right. In the Lehigh Valley, quality business is our standard. Period.

Total Systems, Zero Shortcuts

We install the complete GAF roofing system from top to bottom. This includes a leak barrier, roof deck protection, starter shingles, lifetime shingles, attic ventilation (Snow Country by GAF), and ridge caps. We follow this same standard for ALL services, whether it’s roofing, siding, windows, or doors.
Expert Hands, Decades Of Experience

Consistency is the key to quality. While other contractors rotate through unknown subcontractors, we’ve worked with the same expert crews for over 20 years. Every project is owner-managed and personally inspected to meet the "Robert Mirth standard" of precision and site cleanliness.
A Truly Stress-Free Experience

We believe homeowners should be the MVP of their exterior remodel. From our always-on-time punctuality to real-time project updates, we provide a transparent process you’ll enjoy. As a result, you avoid the typical industry headache.
Our Core Values

We’ve built our reputation on honest advice and a no-pressure promise. We’ll tell you exactly what your home needs (and what it doesn’t). We treat your project with the integrity of an old-school handshake and the professionalism of a modern industry leader.
Deeply Rooted In The Community

We’re a second-generation family business that refuses to “sell out” to outside ownership. For more than 40 years, the Mirth family has protected homes across Allentown, Bethlehem, Easton, and the Lehigh Valley. When we work on your home, our family name—and local reputation—is attached to every detail.
Lifetime Labor Lock Protection

Most exterior remodeling warranties only protect the materials—not the installation. Our Lifetime Labor Lock backs our workmanship for as long as you own your home. With 20-year veteran crews, owner-led inspections, and our Zero Shortcuts standard, we protect your roof, siding, windows, and doors from labor-related issues for life.

Expert Exterior Services For The Lehigh Valley

From minor roof leaks to complete exterior transformations, Advance Exterior Solutions provides the honest assessments and veteran craftsmanship your home deserves. We proudly serve homeowners across Allentown, Bethlehem, Easton, and the surrounding regions with a second-generation commitment to quality.

Beautifully installed roof by Advance Exterior Solutions in the Lehigh Valley

Roofing

Explore Roofing Options
For Your Home

We install GAF systems including asphalt shingles from the most trusted roofing brand in the industry (GAF). And if you want an alternative to asphalt? We offer metal and flat EPDM roofs. Plus, every project is backed by a Lifetime Labor Lock that provides a lifetime guarantee on installation.

Asphalt Shingles
Metal Roofing
Flat & EPDM Roofing
Roof Repair
Beautifully installed siding by Advance Exterior Solutions in the Lehigh Valley

Siding

Discover The Perfect Siding
For Your Home

Give your home a fresh look with siding built to withstand Pennsylvania weather. We offer high-performance materials that provide curb appeal without the maintenance headache. In addition to premium vinyl, we offer Everlast Composite siding. This is a durable, long-lasting alternative to fiber cement that won't rot or peel.

Premium Vinyl Siding
Composite Siding
Beautifully installed windows by Advance Exterior Solutions in the Lehigh Valley

Windows

Find The Right Windows
For Your Home

Upgrade your home's energy efficiency with precision-installed windows. Our window specialist brings over 40 years of experience to every project, ensuring a perfect fit every time.

We exclusively feature ProVia windows, known for their industry-leading durability, weather-tight seals, and customizable styles.

Replacement Windows
A beautifully installed door by Advance Exterior Solutions in the Lehigh Valley

Doors

Discover The Perfect Doors
For Your Home

We install entry and patio doors that provide a secure, beautiful, and energy-efficient barrier against the elements.

Utilizing ProVia’s professional-class entry doors, we provide heavy-duty security and aesthetic options tailored to your home's architecture.

Replacement Doors
Beautifully installed gutters by Advance Exterior Solutions in the Lehigh Valley

Gutters

Choose The Right Gutters
For Your Home

Properly functioning gutters are your home's first line of defense against water damage. We provide seamless solutions that keep water moving away from your foundation.

We offer 5-inch and 6-inch seamless aluminum gutters, high-flow downspouts, and premium gutter guard systems to eliminate seasonal cleaning.

Gutter Systems

Read Advance Exterior Solutions’ Exterior Remodeling Reviews

In this business, your reputation is everything, and we’re proud of the one we’ve built since 1980. Browse through our reviews and see why homeowners across Allentown, Bethlehem, and Easton trust the Advance Standard for their roofing and siding projects.

Rob Took The Time To Walk Us Through The Process

It was after a hail storm and our next neighbor recommended Rob and his team to replace our roof. So glad they did! Rob took the time to walk us through the process. Him and his team were very professional and the roof looks great!

Melissa A.

Within 3 Hours From When I Originally Emailed Him, The Siding Was Fixed

I had some siding coming off my house due to high winds. I emailed Rob and he got back to me in 15 minutes. Within the hour he was there and gave me what I considered a very reasonable estimate for the repair. I gave him the green light and...

Martin B.

We Had An Extra Problem And Rob Went Above And Beyond To Fix It

Had my roof done along with new gutters and downspout. What an uplift to my home. Everything looks great. Crew cleaned up well. We had an extra problem and Rob went above and beyond to fix it. Would definitely recommend.

Lisa H.

Rob Met And Exceeded Our Expectations With Each Project

We had Advance Exterior Solutions install two roofs on our property, replace vinyl siding and build a portico this year. Their professionalism and attention to detail was fantastic. Rob met and exceeded our expectations with each project and we're completely satisfied with the results!

Tim H.

Best Of Luck Rob And Thank You

Rob and his team were on point. Rob met with me a couple of times before the work was done and explained in details what they will do before, during and after the work. What an amazing job they did. I would call them again in 30 years for sure....

Ray S.

Highly Recommend Using Advance Exterior Solutions

Highly recommend using Advance Exterior Solutions, my wife and I couldn’t be happier with how everything turned out! One stop shop for getting everything completed; roof, windows, siding, gutters.

Eric L.

The Company Is Responsive And The Workmanship Is Excellent

I have had a new roof and new windows installed by Advance Exterior Solutions. My experience has been nothing but positive. The company is responsive and the workmanship is excellent. I highly recommend Advance Exterior Solutions!

Pamela H.

My Husband & I Are Very Happy We Picked AES

My husband & I are very happy we picked AES for our new roof install. We had storm damage and Rob was very responsive to do a quick fix for that. We were so pleased with that experience that ultimately we ended up getting a new roof with them. COMMUNICATION...

Elizabeth D.

Didn’t Compromise Quality Or Integrity

My roof was 17 years old and had suffered hail and wind damage. Rob and his team were professional, very reasonably priced and super quick even on a blistering hot day! They beat the storm that was coming in and still didn’t compromise quality or integrity. I highly recommend Rob...

Sherrine E.
See More Reviews
Happy homeowners smiling after a home remodel in the Lehigh Valley

Our Exterior Remodeling Blog

Want deeper insights? Our blog is filled with professional tips, tricks of the trade, and ideas to help you transform your home.

Service Areas

Providing Expert Exterior Solutions Across The Lehigh Valley

You shouldn’t have to guess if your contractor knows your neighborhood. Since 1980, our family-owned company has been a staple in the greater Lehigh Valley. We consistently work in these towns:

Don't see your town? Contact us here or call us to see if we can accommodate you!

See All Of Our Service Areas