Flashing Around Fireplace And Roof
This is our third episode in our series on metal roofing involving chimney flashing.
Flashing around fireplace and roof. However it is also a sign that the roof may need to be replaced sooner than later. Here we ll look at a. When water gets behind faulty flashing it can do a lot of damage to the roof sheathing and framing and to the ceiling below so you need to deal with this problem immediately. According to the federal emergency management agency fema improper roof flashing could lead to wood rot and even deck collapse.
Failed or improperly installed flashing is one of the most common reasons for leaks. Apply a jelly bean size dollop of caulk at the corner where the chimney meets the roof. Hammer 2 roofing nails into the flashing and. Damaged flashing can be cemented or patched.
Use your feet to flatten the flashing down over the contour of the roof. A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit. So chances are if you ve been looking into your roof and its flashing you have questions. Damaged or improperly installed roof flashing especially around the chimney or dormer is one of the most common causes of roof leaks.
Place a small drop of caulk where the roof and chimney meet at the chimney corner. Leaks often occur at the chimney when flashing fails. Inspect the flashing for gaps or cracks. To repair chimney flashing leaks.
And more often than not the culprit is the flashing the sheet metal that keeps the intersection between the chimney and roof watertight. Fit an 8 inch 20 3 cm piece of square step flashing over the chimney s front corner. After screwing it down securely do another bead of silicone around the edge also put some silicone on all the screws as well. Place the step flashing over the caulk and onto the chimney.
When it comes to flashing there are many types available. Chimney roof leaks are usually caused by gaps or cracks between the metal flashing used to join the chimney to the roof and the chimney. Around the front corner as shown. Typically step flashing is used along the edges of the chimney stack.
Set the flashing aside. The area you live in the weather conditions the shape and size of the chimney as well as the roofing material will all help determine the best type of flashing for your chimney. Square step flashing to fit 1 1 2 in. Chimney flashing prevents water from entering at the point where the chimney and the roof meet.
Screw it down in a way that its fits tight over the humps of the metal roof. Leaks around fireplace chimneys are common and can be hard to identify the source.