
GAF Master Elite tear-off and installation. A fixed written quote within 24 hours, and the owner on site.
Most roofing companies in Northern Virginia send a salesperson. You get a pitch, a folder, and a price that has to cover their commission before a single shingle is ordered.
Matt Kavanah owns Milcon and runs the estimates himself. You talk to the person who prices the job, stands behind the warranty, and is on site while it happens.
Master Elite is not an entry level badge. It requires ongoing compliance with insurance minimums, completed factory training, and customer satisfaction benchmarks that GAF verifies independently. You can check ours at gaf.com/roofingcontractors.
It is also what lets us register the GAF Golden Pledge lifetime warranty on qualifying Leesburg installations.

Matt Kavanah is the owner of Milcon Design & Build. He has 20+ years of experience and has a simple philosophy, only the absolute best will do. On every single job. For every single customer. Down to every single detail.
Every layer comes off so the deck can be inspected. We do not roof over an existing layer, because it hides damage and shortens the life of the new roof.
Damaged decking is priced in the original quote, not raised as a change order once you can no longer say no.
Synthetic underlayment across the deck, plus ice and water shield in the valleys and along the eaves where Northern Virginia winters do their damage.
New drip edge, and flashing replaced rather than reused around chimneys, walls and penetrations. Reused flashing is one of the most common causes of a leak in a new roof.
Correct intake and exhaust so the attic breathes. Ventilation is what keeps the shingle warranty valid and the attic dry.
GAF materials covered against defects for up to 50 years depending on the system, with Golden Pledge registration on qualifying installations.
Measured in squares. A steeper roof takes longer, needs more safety setup, and costs more per square than a walkable one.
Dormers, valleys, hips and multiple planes all add labour. Two houses of identical square footage can price very differently.
One layer is straightforward. Two or three means more labour, more disposal, and more time before the new roof goes on.
Not known until the old roof is off, which is why we price decking in the original quote rather than after.
Standard architectural, designer, or metal. The gap between them is significant, and we will tell you where the money actually buys something.
Ridge ventilation, skylight work and chimney flashing where they are needed rather than as an upsell.
A 30-minute visit, measured accurately, with the owner present. No requirement that a spouse is there, and no price that expires at midnight.
Itemised and in writing within 24 hours, specifying the system, the scope and what happens if the deck turns out to be damaged.
We book a date and tell you honestly whether yours is a one day roof or a two to three day roof before you sign anything.
Our own crews, factory certified on the system they are installing. Site cleared and magnet-swept at the end of every day.
We go over the finished roof with you, register the warranty, and leave you the documentation rather than mailing it eventually.
As a locally owned and operated Northern VA exterior remodeler, we don’t start with ourselves. We start with our community. This “you-centric” approach means no matter what, we will always go above and beyond to find solutions to any residential roof replacement.
We get it – that might sound a little “lip servicey” and hard to believe, given the shoddy reputation of so many Northern VA roofers. But believe us when we say we’re different from the rest.
And in typical Milcon Design & Build fashion, here’s the proof.
Posted on Google Nolian PapaTrustindex verifies that the original source of the review is Google. Excellent work, and the estimating scheduling process was very quick and hassle free. I'm really glad I went with Milcon.Posted on Google Jonelle HillearyTrustindex verifies that the original source of the review is Google. We’re so pleased to be able to provide this review of our recent window replacements project with Milton Design and Build- all in all, truly a 5 star event. Owner, Matt Kavanah, followed up on a Thumbtack request for proposals with a home visit to see what we needed and how Milcon Design and Build could help. Matt explained the process, how long it would take to order and get ready for the installation, and most importantly, what we could expect as performance from the ProVia window and door products recommended for our home. Matt indicated that he would have Project Manager, Josh, come out and take precise measurements to make up the order, but for the proposal pricing he was able to give us a very competitive bid based on our conversation that day. We kept coming back to Matt’s straightforward conversation and the value of the windows we would be ordering. The price and quick time-to-install just sealed the deal. Matt made some key suggestions that, after our installation today, proved to be great advice. One of the reasons we chose to do a window replacement now (January) was the cold spots in both our primary bedroom and dining room - opposite ends of our house. Even upgraded HVAC hadn’t been able to overcome the heat loss. Tonight, with a new package of high-efficiency thermally broken windows and sliders installed, we’re actually turning the thermostat down because we’re warm! Thank you to Matt, Josh, Luis, Martin, and the rest of the crew for a great job, for explaining all the tips and techniques to get the most out of the new windows and front door, as well as to keep them looking beautiful for years to come! Thank you, Milcon Design and Build for working with us on this purchase… you guys are awesome!Posted on Google Thomas VolkTrustindex verifies that the original source of the review is Google. Outstanding! After weeks of countless window contractor interviews, we found the perfect company. Matt at Milcon, with his many years of experience, provided us with detailed product descriptions to meet our environment requirements, that included muffling the Ashburn Data Center and air traffic noise. They installed over 40 windows in two days! Most important, my wife is so happy with our choice.Posted on Google Willmer RomeroTrustindex verifies that the original source of the review is Google. I went to Milcon for a quote and they came in under the competition. The staff was super professional and did everything I asked for. The team was quick and was done within hours. I would go back for any future projects.Posted on Google Bernadette RahmaniTrustindex verifies that the original source of the review is Google. Matt was very professional, gave us very good advice for the 2 massive doors we had to replace. We were very happy with the process, the execution of the project and the products. We had a very pleasant experience with Matt and his installation crew. Thank you so much.Posted on Google Meghan KavanahTrustindex verifies that the original source of the review is Google. Excellent customer service. Quick install. Impeccable job. Would highly recommend!Posted on Google Josh EvansTrustindex verifies that the original source of the review is Google. Right on time. Matt and his team did what they said they were going to do when they said they were going to do it. Painless process from start to finish. I had a new roof in about 48 hours. Highly recommended.Posted on Google Justin HoughtonTrustindex verifies that the original source of the review is Google. We were in need of a roof replacement so we threw out a few requests on Thumbtack and I’m glad we did since it brought us to Milcon Roofing. Matt reached out very quick and if I recall correctly came out the following day to discuss options. He wasn’t pushy or trying to just sell me something. It was clear he has been in the business for years and more or less just informed me of my options. He also noted his crew gets certified on the roofing systems which we really liked. So we needed up asking for a quote and it was very fair and competitive. I will say, Matt was very professional, quick to reply to texts, his quote was very fair, and his crew was on time and knocked out the job out in less than one day. Oh, also their clean up was outstanding. While I hope to never see Matt again (since the roof will last many more years than we should be here) I would 100% call him back for any future work here or at our next home. If you need a new roof, give them a call, you won’t regret it!Posted on Google Jorge Manuel TrasmonteTrustindex verifies that the original source of the review is Google. We hired Milcon Roofing, Design & Build for replacing the original aluminum siding on our house. Matt took the time to explain different options and we opted for the insulated siding. Matt was very easy to work with and communicated with us through the entire process. The work crew did an great job despite some days with rough weather. We are very happy with the results, less cold drafts, a reduction in noise and a more modern looking exterior. Everything looks great! Can't recommend enough.Posted on Google Kristina MilbergTrustindex verifies that the original source of the review is Google. Matt and his team were great to work with, would recommend!
It depends on the size and pitch of the roof, how complex the roofline is, how many layers come off, the condition of the deck and the system you choose. Rather than quote a range that will not match your house, we measure it properly and give you a fixed written quote within 24 hours, free and with no obligation.
Most Leesburg homes are a one day roof. Larger or steeper roofs, and homes with multiple rooflines, run to two or three days. We tell you which yours is before you sign.
We tear off. Roofing over an existing layer hides deck damage and shortens the life of the new roof.
It is priced in the original quote, so it is not a surprise once the old roof is off.
If the damage came from a storm, often yes. As a GAF certified contractor we are authorised to document damage for insurance claims and provide a written condition assessment suitable for claim submission.
GAF materials can be covered against defects for up to 50 years depending on the system installed. Qualifying installations are eligible for the GAF Golden Pledge lifetime warranty.
GAF certification is verifiable at gaf.com/roofingcontractors and Virginia licensing at dpor.virginia.gov. We would rather you checked than took our word for it.
Yes. Matt runs the estimate and is on site during the project, not just at the sales meeting.
A roof near end of life comes up in every inspection and becomes a negotiating point. Replacing it beforehand removes the argument, and a documented warranty transfers to the buyer.
Ready to “cut the fluff” and get a no-nonsense Northern Virginia exterior remodel starting with a stress-free, 30-minute, no-obligation quote from the owner himself?
Then call us at 703-581-2761 or fill out our hassle-free form to schedule your free quote today!