Leaking chimney flashing repaired in MetroWest
Repair only what failed and know what you paid for. Written estimates and satisfaction guaranteed on flashing work in MetroWest.
- Licensed & insured
- Locally run
- Family owned and operated
- Same-day service available
What we check on MetroWest roofs before reflashing
These are the details that decide how the flashing is repaired. You see each one in writing before our MetroWest team starts.
- Step flashing along both sides
- Corner folds and tabs on all four corners
- Tile to lift and reset, on tile roofs
- Chimney width against the code's cricket rule
What goes into a flashing job in MetroWest
Practical points from our chimney flashing crew in MetroWest.
Keep notes on when the chimney leaks
A few details make a flashing assessment faster and more accurate. Note whether the leak follows every rain or only long, heavy ones, whether it starts during the rain or hours later, and which room or spot shows it first.
Leaks that appear within minutes of rain often point to an open seam near the surface. Leaks that show up hours later can mean water is soaking through masonry first. Bring those notes to the inspection, because they help us look at the right part of the chimney first.
Why two-part flashing lets roof and chimney move
Base flashing attaches to the roof, counter flashing attaches to the chimney and the lap between them lets each move a little without tearing the seam. That arrangement is why BIA Technical Note 19B treats the two layers as separate pieces joined by an overlap.
One-piece flashing that runs from the roof straight into a mortar joint cannot flex. As the roof moves, it pulls at the joint or cracks at the bend. When that is the source of the trouble, we replace it with a two-part detail.
The layer under the roofing at the chimney
Beneath shingles or tile lies an underlayment that acts as a second line of defense. At the chimney that layer is often cut, patched or missing, especially where earlier repairs have been made.
When the roofing is opened for flashing, we check the underlayment around the chimney. If it needs repair, we tell you what it involves and whether it falls inside our scope or the roofer's. Where the underlayment is sound, we leave it alone and lap the new flashing over it as the roofing detail requires.
Stepped counter flashing along a sloping side
Mortar joints run level, but the roof beside the chimney slopes. Counter flashing on the sides is therefore cut in steps, each piece set into a different joint and trimmed at an angle to follow the roof line.
Each step must overlap the next one and cover the step flashing below it. Gaps between steps are a frequent source of leaks on older chimneys. We cut and fit every step to its joint and check the overlaps from top to bottom.
Other work in MetroWest
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Chimney flashing questions from MetroWest
Answers from our specialists in MetroWest, with no sales pressure.
Do you need to go into my attic?
It helps when there is access near the chimney. Water marks on the decking and framing show which face is letting water in. We always ask first and keep the visit tidy.
What happens to the stain indoors after the flashing is fixed?
The mark stays until the interior is repaired. Let the area dry through a few rains before repainting, and seal it first so it does not bleed through. Call us if it grows.
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- No hidden fees
- Family owned and operated
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