How To Put Flashing On A Chimney
The step flashing which is the first layer on the sides of the chimney is made from L-shaped pieces of.
How to put flashing on a chimney. Flashing a chimney correctly involves two layers of water-shedding metal. Fit the base flashing against the bottom of the chimney and bend back the sections above the 45-degree cut until it meets the chimney. The back has a similar piece called the pan.
Cut the bottom of the sidewall flashing at 45 degrees and the top such that it will bend around the uphill side of the chimney. Place a small drop of caulk where the roof and chimney meet at the chimney corner. The base flashing for the sides of the chimney is called a step.
The second piece the counter-flashing is embedded into the masonry of the chimney. Set the flashing aside. In this video I should you guys how we cut into the chimney and install counter flashing.
The first piece of sheet metal installed is the base flashing. The front of the chimney has a single piece of flashing the apron as the first layer. Now you need to install the step flashing.
How do you flash around a chimney. Once this part of the lead flashing is in place you can install the stepped lead flashing. Make sure you leave a gap of two inches at the base for the water to drain.
Install flashing around the chimney Nail the next shingle over the first step flashing. What is the best chimney flashing. Slightly flatten the step.
Hammer 2 roofing nails into the flashing. Secure a shingle over the corner flashing using a hammer and roofing nail. Place a small drop of caulk where the roof and chimney meet at the chimney corner.
Flashing the area of a chimney with a rubber roof system is very tricky. Place the step flashing over the caulk and onto the chimney. In most cases it is essential to use a skilled craftsman to wrap a layer of the rubber material into a step flashing and then counter flash with aluminum or copper.
Continue until you get to the top corner of the chimney. This flashing wraps a few inches around the sides of the chimney. Then nail another step flashing over this shingle.
Place the step flashing over the caulk and onto the chimney. Hammer 2 roofing nails into the flashing and roof. Cut and bend the last step flashing around the top.
It is inserted underneath a shingle and then bent upward to form an L-shape. Next the counter flashing is installed. Then simply wrap the step flashing over the chimney.
The first base flashing sits around the bottom of the chimney. Attach the corner and step flashing. Apply the plastic roofing cement to both sides of the chimney starting at the base.
Each layer of flashing is then covered by the roof tile as you work your way up the side of your chimney. Counter-flashing is often used to flash chimneys. Use mortar nails to secure the base flashing to the chimney.
Then seal the sides of the chimney with pre-bent pieces of step flashing under each course of shingles Photos 4 and 5. This video give great step by step instructions on how to install roof flashingShop Chimney has all the supplies you need for installing flashing on your roof. Bend back the area beneath the cut until it meets the roof.
It involves two pieces of flashing. Repeat sidewall flashing on opposite side of the chimney. It is a time-consuming process.
Start the flashing job by installing the first piece of base flashing across the bottom of the chimney and over the top of the shingles Photo 3. Fit an 8-inch 203-cm piece of square step flashing over the chimneys front corner. The bottom base flashing is made of a single piece of metal extending 3 to 6 inches down over the shingles that already have been installed and 12 inches some say less up the bottom face of the chimney.
Slide sidewall flashing into place and fasten into the chimney with masonry anchors.
