Professional Roof Flashing Repair in Alexandria, VA
Michael & Son Roofing has protected Alexandria homes for more than 50 years. As a licensed Virginia Class A contractor, we provide professional roof flashing repair, replacement, and installation for projects of every size.
We seal the metal seams around chimneys, vents, walls, and valleys, where most leaks begin, so your home stays dry through every Virginia storm. Every job starts with an inspection and a free estimate, so you know what to expect; after the work is done, you will receive a comprehensive warranty.
Types of Roof Flashing We Repair and Install
Continuous Flashing
Also called apron flashing, continuous flashing is one long metal strip sealing the joint where a roof meets a vertical wall. It channels water down onto the shingles and prevents leaks along the wall line.
Step Flashing
Step flashing uses small, overlapping metal pieces woven between shingle courses along walls and dormers. Each overlapping piece directs water outward, which makes it the standard choice for roof-to-wall joints exposed to heavy, wind-driven rain.
Base Flashing
Base flashing is the lower layer installed where a roof meets a chimney or wall. It sits under the shingles and pairs with counter flashing to form a watertight barrier around chimney bases and walls.
Cap Flashing
Cap flashing is a protective metal covering installed over the top edge of base flashing. It blocks wind-driven rain from getting behind the lower flashing at chimneys, skylights, and walls and keeps the joint sealed for years.
Drip Edges
Drip edge flashing is an L-shaped metal strip along the eaves and rakes. It guides water into the gutters and away from the fascia and roof deck, preventing rot, wood decay, and costly edge leaks.
Valley Roof Flashing
Valley flashing is a V-shaped metal channel where two roof slopes meet. It carries heavy runoff quickly to the gutters, and a failing valley is a common cause of roof leaks during heavy rain.
Counter-Flashing
Counter flashing is embedded into masonry or siding and overlaps the base flashing below. This two-piece design lets the roof expand and contract without breaking the seal against brick, stucco, or siding walls.
Vent Pipe Flashing
Vent pipe flashing, usually a rubber boot with a metal base, seals the opening around plumbing vents. Cracked boots are a frequent leak source and are quick and affordable to replace during repairs.
6 Signs of Damaged Roof Flashing You Should Never Ignore
1Damaged roof flashing
This is one of the most common causes of roof leaks in Northern Virginia, and most failures fall into five categories. Catching them early keeps a small fix from becoming costly water damage, rotted decking, or interior mold.
2Cracked Sealant
Sealant around flashing dries out and cracks under sun and freeze-thaw cycles. The gaps cause leaking roof flashing, stained ceilings, and mold; re-sealing worn areas is a quick, affordable repair that restores the watertight barrier.
3Loose Flashing
Strong wind, storms, and aging nails can lift flashing away from the roof. Loose pieces leave seams exposed, so rain runs straight into your attic. We secure or replace them before leaks spread to your insulation and ceilings.
4Rust and Corrosion
Rust eats through steel flashing over time and leaves holes and weak spots. Corrosion, meanwhile, is common around chimneys and walls where moisture lingers, and rusted-through sections usually need roof flashing replacement.
5Flashing Separation
Roofs expand and contract with temperature swings, which can pull flashing away from chimneys, walls, and skylights. Visible gaps or lifted edges mean water is already finding a way in, so you should repair them promptly.
6Water Pooling
Flashing installed incorrectly lets water collect instead of draining away. Standing water breaks down seals and rots the decking below, so it needs fast roofing flashing repair and correct realignment.
What Affects the Cost of Roof Flashing Repair in Alexandria, VA?
These four factors shape your final roof repair price. We provide a free estimate that will give you the exact number.
Flashing material
Type and location
Extent of damage
Roof size, pitch, and access
Why Alexandria Homeowners Choose Michael & Son Roofing
We offer honest inspections, skilled workmanship, and a warranty that backs every repair, from small leaks to full flashing projects.
50+ years of local experience
Thorough inspections and clear pricing
Warranty and fast response
Areas We Serve
Michael and Son Roofing proudly serves Northern Virginia, Maryland, and Washington, DC. Plus, we offer 24/7 support for major emergency roof repairs. So, we will arrive on site the same day you call to get started on your roof repairs.FAQ
Frequently asked questions
#1. What are the signs that roof flashing needs repair?
Common signs that roof flashing needs repair include water stains on ceilings or walls, cracks, rust, or gaps around chimneys and vents, loose or lifted metal, and missing sealant. Leaks that appear after heavy rain, even when shingles look fine, also point to damaged roof flashing.
#2. How much does roof flashing repair cost in Alexandria, VA?
The cost of roof flashing repair in Alexandria, VA depends on the flashing type, material, extent of damage, and roof access. For instance, a vent boot repair costs much less than chimney or valley replacement; we offer free estimates, so you receive a firm written price after inspection.
#3. Can roof flashing be repaired, or does it need to be replaced?
Flashing can often be repaired when damage is minor, such as cracked sealant or small loose sections. Replacement is typically needed when metal is rusted through, badly bent, or separated across large areas. Our flashing repair services include an inspection that shows which option fits your roof.
#4. Can you repair leaking chimney flashing?
Yes, we fix leaking roof flashing around chimneys by resealing, resetting, or replacing the base and counter flashing. A proper chimney repair stops water entry and protects the brick, roof deck, and ceilings below.
#5. How long does roof flashing repair take?
Most repairs take a few hours to one day. Resealing or replacing a vent pipe boot is quick, while chimney, valley, or multi-area roof flashing replacement can take longer, especially if hidden damage is found.
#6. Can damaged roof flashing cause leaks even if my shingles are in good condition?
Yes, damaged roof flashing can cause leaks even if your shingles are good. Flashing seals the joints where water is most likely to enter, so failed flashing can cause leaks even when shingles are intact. Common problem spots are chimneys, walls, skylights, valleys, and vents.
#7. Can heavy rain or storms damage roof flashing in Alexandria, VA?
Yes, heavy rain, storms, high winds, hail, and fallen branches can bend, loosen, or lift flashing, and freeze-thaw cycles crack sealant over time. After a major storm, you should schedule an inspection to catch problems before they become leaks.
#8. How often should roof flashing be inspected?
You should inspect roof flashing at least once a year and after any major storm. Annual checks catch loose metal, rust, and cracked sealant early and keep roofing flashing repair small and affordable.
#9. Can I install roof flashing myself?
You shouldn’t perform roof flashing installation yourself. Flashing must be layered correctly with shingles and sealed precisely, and mistakes will likely cause leaks, voided warranties, and fall risks. It’s best to hire a professional for this purpose so everything is watertight and safe.