This ensures that we check the integrity of every part of the structure of the chimney to address the leak.
Stone chimney leak repair.
Older crowns may not be this solid but if they re basically sound they can be repaired with polyurethane caulk.
Where as brick chimneys are constructed with similar size and dimension masonry units stone chimneys are often built with un even dis similar stone.
Stone chimneys are build in a similar manner as brick chimneys.
Mortar cracks chimney flashing and crown deterioration on a chimney will contribute to leaks on a flat roof.
At mcnamara masonry restoration we follow a time tested protocol whenever we suspect a chimney leak.
Push the mortar into the joint with a joint.
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.
Our process for finding a chimney leak.
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.
The first step in your repair is identifying where the leak is coming from then you ll be able to make the appropriate fix.
We start by inspecting the exterior of the chimney beginning at the top.
The crown of a masonry chimney is a concrete top that ideally looks something like the one shown.
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.
Mcnamara masonry specializes in identifying hard to find leaks in around stone brick and stucco chimneys.
However if it s an issue with the flashing or shingles you ll want to budget 654 for roof repair costs.
If you find the problem is with the brick or mortar the average cost for masonry repairsis 1 192.
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.
Our team will evaluate your chimney and suggest the necessary repairs to keep your home safe.
Large chimney cap or crown overhang.
Mcnamara masonry specializes in identifying hard to find leaks in around stone brick and stucco chimneys repairing thousands of problem chimneys throughout the delaware valley since 1989.
Stone chimney leaking problems.
A newer chimney crown should be several inches thick reinforced with rebar and caulked to the clay flue.
