Stone Chimney Leak Repair

The crown of a masonry chimney is a concrete top that ideally looks something like the one shown.

Stone chimney leak repair.

Stone chimneys are build in a similar manner as brick chimneys. This tells you if you should waterproof the chimney. Our team will evaluate your chimney and suggest the necessary repairs to keep your home safe. However if it s an issue with the flashing or shingles you ll want to budget 654 for roof repair costs.

At mcnamara masonry restoration we follow a time tested protocol whenever we suspect a chimney leak. Where as brick chimneys are constructed with similar size and dimension masonry units stone chimneys are often built with un even dis similar stone. Our process for finding a chimney leak. Large chimney cap or crown overhang.

Installing a chimney cap on the flue or crown around the chimney top sized to provide a 2 3 inch overhang past the chimney walls can reduce the flow of water down the chimney face also reducing leaks traced to water pentration at mortar joints in any masonry chimney stone brick or block. Stone chimney leaking problems. Place chimney mortar on the trowel while the brick and joints are still damp then put the edge of the trowel against the outer lip of the mortar joint. The first step in your repair is identifying where the leak is coming from then you ll be able to make the appropriate fix.

Push the mortar into the joint with a joint. Mortar cracks chimney flashing and crown deterioration on a chimney will contribute to leaks on a flat roof. To find out if your chimney leaks through the masonry surface have your sweep do a masonry absorption test mat this is a simple test where a special test tube is attached to the side of the chimney and you record the time it takes for water to be absorbed into the wall. Older crowns may not be this solid but if they re basically sound they can be repaired with polyurethane caulk.

Chimney leak repair with turbo poly seal repairing the flashing on a chimney to perform a proper chimney leak repair is crucial for any flat roof. We start by inspecting the exterior of the chimney beginning at the top. Mcnamara masonry specializes in identifying hard to find leaks in around stone brick and stucco chimneys. Chimney sweeping chimney repair and leak detection is part of his everyday routine.

If you find the problem is with the brick or mortar the average cost for masonry repairsis 1 192. This ensures that we check the integrity of every part of the structure of the chimney to address the leak.