Roof-to-chimney flashing repair in Lake Terrace

Flashing where a framed chase meets the roof

A framed chimney chase, clad in siding or stucco over sheathing, meets the roof like a short wall. The flashing turns up the chase wall, and its upper edge is covered by the cladding rather than set into a mortar joint.

That means the repair often involves loosening the lowest courses of siding to reach the flashing's vertical leg. We explain how much cladding is disturbed and how it is put back. If water is getting in at the top of the chase instead, we point you to the chase cover as a separate repair.

Masonry water repellent does not replace flashing

A water repellent on the brick reduces how much rain the masonry absorbs. It does not seal the seam where the chimney meets the roof, and it does nothing for loose or rusted metal.

If the brick above the roofline is soaking up water, a breathable repellent may help alongside the flashing repair. We recommend it only when the masonry shows signs of absorbing water, and we list it separately so the flashing work stands on its own.

What a written flashing estimate should list

A useful flashing estimate names the faces being repaired, the metal and its thickness, how the counter flashing is anchored, how much roofing is lifted and restored, and what happens to the old material. Vague wording such as reseal chimney leaves you nothing to compare.

Ours spell out each of the items below, so two quotes can be read side by side. Book within 72 hours after the inspection and the estimate shows 10% off, printed on the page.

• Chimney faces included in the repair
• Flashing metal and thickness
• Counter flashing method for your chimney face
• Roofing lifted, reset or replaced
• Removal of old flashing and patch material
• Findings that need a separate decision

Flashing against a stone chimney

Natural and cultured stone have uneven faces and irregular joints, which makes setting counter flashing harder than on brick. Water can also run behind stone along joints that are not level.

We look for a joint or a line where counter flashing can be anchored and sealed properly. Sometimes a groove is cut to create a clean line across the stone. We explain the approach for your chimney before any cutting. Mortar joints between stones can also let water in above the flashing, so we look at the stonework just above the roofline before blaming the metal below it.