How To Flash a Chimney

You may need to replace the flashing on your chimney if you see leaks or see water stains on the ceiling.When the chimney flashing on your roof is damaged or completely rusted, it's time to replace it.You can buy the parts you need at a hardware store or home improvement store.A sheet metal shop shape and pre-cut flashing can be used to fit your chimney.The tips can be used to flash a chimney.

Step 1: The flashing needs to be taken off.

Remove old flashing and cement with a hammer and chisel.

Step 2: The base flashing needs to be cut.

The bent base flashing was ordered from the sheet metal shop.The chimney's front has flashing.The flashing is on one side of the chimney.

Step 3: The base should be secured.

The flashing should be against the front of the chimney.The roofing shingles should overlap the part of the flashing that is flush with the roof.It should fit around the corner of the chimney.tin snips can be used to clip the flashing at the point where the other side of the chimney lies.The flashing is clipped around the chimney.The part of the flashing lying against the roof has Hammer 4 galvanized roofing nails in it.The nails should be set evenly.

Step 4: Attach the corner to the step.

The chimney's front corner has a square step flashing over it.The flashing should be stopped.At the chimney corner, place a small drop of caulk.The chimney should be placed over the step flashing.The nails are into the roof.Using a hammer and roofing nail, secure a shingle over the corner.There is a second piece of flashing against the chimney.The shingle that covers the first piece of flashing should be partially overlap.The second piece of flashing needs to be secured with a shingle.Continue until you have gone all the way around the chimney.

Step 5: The chimney saddle should be secured.

The back of the chimney has a saddle around it.Attach the saddle to the roof with a hammer and roofing nails.Every 6 inches, place roofing nails into the saddle and roof.There is a flat part of the saddle.Attach shingles to the roof.

Step 6: The cap needs to be installed.

There are grooves in the mortar joints.The grooves should be at least 2.5 cm deep.The cap was flashing when I saw it.The front of the chimney has a cap on it.The front of the chimney has a cap on it.All the way into the mortar, insert the flashing's flange to secure the cap.There are holes on each side of the chimney.Put the plastic anchors in the holes.The procedure should be repeated on each side of the chimney.The cap flashing should overlap the previous one.Seal the flashing with caulking along the mortar joints.