Roof Repair in Lawrence Park

Yes, and on these roofs most of the work is tracing. A leak under a multi-valley roofline can start at a dormer cheek, a buried valley, or a chimney well away from the stain, so we follow the water back to the intersection that failed and repair that detail rather than replacing whichever shingles happen to sit nearest the ceiling mark.

Yes. On any repair that touches a drainage path we clear the valleys, the gutters, and the pocket behind the chimney, because under the Lawrence Park canopy packed leaf litter is often what pushed the water under the shingles in the first place. Clearing it also lets us see whether the valley metal underneath is still sound.

Most repairs are completed in half a day to one full day once we know what failed. Chimney work that needs repointing before the flashing goes back, or a valley that has to be opened up on both sides, can run longer, and the written estimate states the expected time before we start.

Yes. Every repair comes with a written report and dated photos showing what we found, what failed, and what we replaced, including the flashing and underlayment that end up hidden beneath the finished surface. It is worth keeping for a sale, an insurance claim, or the next contractor who needs to know what sits under the shingles.

Yes. Sunrooms and enclosed sleeping porches on Lawrence Park houses of this era often carry a flat or nearly flat roof, sometimes with a door opening onto it from an upstairs room. Those membranes deal with ponding and a threshold that has to be flashed properly, so we repair or replace the membrane and rebuild the door and wall junctions at the same time.

Because the repair almost certainly addressed the surface rather than the detail underneath it. Correct chimney work means counterflashing cut into a sound mortar joint and step flashing woven into the courses up each sloped side. What we usually find instead is a bead of sealant run across the brick, which has a service life of a few years against masonry that moves seasonally. When it opens, water enters behind the metal and travels down inside the wall cavity before it appears on a ceiling. Chimney flashing failure repaired properly means opening the covering back, repointing the joint, and rebuilding the metalwork.

It is usually the debris, which is good news because it is cheap to fix. Lawrence Park's canopy loads valleys and the areas behind chimneys with leaf litter and seed every year. Once it compacts, that mat stays soaked for days after a storm, and in winter it freezes into a dam that sends meltwater sideways beneath the shingle laps. The roof itself can be entirely sound. If the soaking has already softened or lifted the covering, a real repair is needed, and our report states plainly which of the two situations you are in.

It matters because of what it left behind. Cedar was laid on spaced strapping rather than solid sheathing, and when these houses were re-covered in asphalt the strapping was often sheeted over rather than replaced. That leaves a layered deck of variable thickness and support, which is why fasteners lose their grip in patches and why a foot can find a soft spot on an otherwise sound roof. It also affects ventilation, because the original assembly breathed through the shake and the replacement does not.

On a Lawrence Park house of this age, frequently two and sometimes more, and yes it changes everything. With two layers already on, another overlay is off the table, so the next roof means tearing everything back to the boards, which costs more. It also means the sheathing condition has been hidden for decades and every flashing detail sits progressively higher and shallower against the covering. During diagnosis we lift the edge at a rake or an eave to count what is there, since that count decides whether patching a slope still makes sense.

Yes, and they need to be assessed on their own terms. Rear additions, porch roofs, and bay projections on these houses often carry a low sloped or flat roof membrane, and that ages on a completely different schedule from the steep asphalt beside it. On porches and bays too shallow for shingles we fit and repair metal panels, which carry water off a low pitch far better. The junction where the low sloped section meets the main slope is a detail we expect to look at closely, because it is a common source of persistent water infiltration.