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So Why Choose Milcon Design & Build?

Because We're Northern VA & MD's “Do Whatever It Takes, Only The Best Will Do” Roofing And Exterior Contractor.

At Milcon Design & Build, we have a simple philosophy: Only the absolute best will do. On every single job. For every single customer. Down to every single detail.

That’s not an empty promise. It’s not lip service.

It’s the etched-in-stone company code we follow day in and day out. Zero exceptions.

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Fewer Middlemen = Bigger Savings

The bigger the exterior remodel doesn’t mean the better. Why? Because we avoid middlemen as much as possible for direct manufacturer savings, passing them to YOU instead of our pockets.

We Never Cut Corners. EVER.

GAF Roofing, CertainTeed Siding, ProVia Windows & Doors – top brands for transforming your home into a worry-free sanctuary with their century's worth of proven excellence.

Certified Pros With Decades Of Experience

Unlike The Big National Brands, We’re Truly Local

Our Unshakable Core Values Give You The Assurance You Deserve

Put Simply – Morals, Ethics, And Respect Matter

For years, I worked my way up the ranks in a major home remodeling company. And I had it made. I was earning very good money and leading and managing teams of people.

Which, ironically, is why it became not so good for me.

I often thought, “Why do I have to wear a suit and a tie to sell a roof? No one is replacing a roof in a suit. It’s a blue-collar job!”

That and a million other reasons led me to start my own venture rooted in core values I could stand behind. Values like integrity, trustworthiness, and accountability, to name a few. Qualities that will show up on YOUR stunning (and cost-effective) exterior remodel.

So to wrap up what could be a much longer letter, I’ll say this:

It would be an honor for us to bring you a quality, locally-driven, above-and-beyond exterior remodel with heart and genuine care.

And to prove my commitment to you – here’s my PERSONAL cell number, where you can CALL ME DIRECTLY.

Warm regards,

Photo of Matt Kavanah, owner of Milcon Design & Build

Matt Kavanah
Owner and Founder
Milcon Design & Build

Matt Kavanah

Residential Roof Replacement

Top-quality GAF residential roofing enhances curb appeal and shields against the harshest elements. Choose from endless colors and styles for both looks and functionality.

Commercial Roof Replacement

Experience unparalleled commercial roofing replacement with our licensed GACO applicator trained installers, ensuring ultimate energy efficiency and protection for your business.

Roof Repair And Roof Tune-Up

Concerned about damaged shingles? Then opt for our efficient roof repair & tune-up. Our pro team will restore your roof to 100% in 24-48 hours. Yep, you read that right – 24-48 hours!

Replacement Windows

Tired of struggling with old windows and constant drafts? Refresh your home with our energy-efficient replacement windows, ensuring smooth operation and a rejuvenated, head-turning appearance.

Entry And Patio Doors

Enhance efficiency, curb appeal, and safety with our entry door and patio door replacements. Choose from a massive selection from ProVia – including fiberglass & steel options.

Vinyl Siding

Transform your home's worn exterior with CertainTeed vinyl siding. Enjoy a vast color range, PermaColor™ Lifetime Fade Protection, and the highly dependable STUDfinder™ installation.

We Offer Premium GAF Roof Replacement... Up To 20-30% LESS Than The National Companies

Same High-End Materials And SUPERIOR Installation. We Spend Smart. You Save Big.

  • No Bloated Sales Staff
  • Minimum Middlemen Markup
  • Accountable, Factory-Certified Installers
  • Good Old-Fashioned Honesty

Our Testimonials

See For Yourself How Pleased Our Clients Are

Jonathan W.


Service and install were absolutely top notch!

I can confidently recommend Milcon D&B to any of those in search of a top tier remodeler. I recently had my roof replaced and although I learned a lot about the materials I ultimately chose to go with them because of Matt. He explained the options clearly and extended my...

Ann C.


Professional, communicative and very knowledgeable

The team did a great job replacing the siding and recaulking all the windows. They were on time, hard working and cleaning up nicely. Matt, the owner, was professional, communicative and very knowledgeable. The price was reasonable. Highly recommended!

Yoko D.


The installation was very efficient and quick

I am very pleased to have Matt and his team help our home to replace our very old 19 windows and the front door. Matt understands our needs very well and provided us with his professional advice to fit our needs and budget. He is also straight to the point...

Meagan F.


I highly recommend them for all services

We are very pleased with the work Milcon performed to install our basement sliding door. They were very professional, prompt and very responsive to any questions we had. I highly recommend them for all services you may need. They were also the most reasonably priced of all companies I reached...

Aja W.


I will definitely use Milcon Design & Build again!

My journey with Milcon Design & Build began in March 2023, when I was looking for estimates to replace my patio door. I selected Milcon Design & Build after receiving two other estimates, because I was impressed with Matt's professionalism, his ability to answer my (many :) ) questions in...

Matthew L.


I was satisfied every step of the way

After searching for a business for months I connected with Mr. Kavannah about a few projects I needed done on my house. Roofing and upgraded windows throughout. All other businesses I contacted felt like they were hustling me, short with me, and always had “extras” they would constantly shove down...

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We offer roofing, siding, windows & door exterior remodeling for Northern VA & DMV.

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