Proper flashing around a chimney includes two layers.
Flashing between brick chimney and siding.
Vinyl however is not the best material for chimney exteriors and is generally combined with masonry materials for greater wear and fire resistance.
Thu feb 01 2007 7 13 pm our ma cider mill had a chimney that sttod proud of the siding which went all the way across behind it.
And more often than not the culprit is the flashing the sheet metal that keeps the intersection between the chimney and roof watertight.
Repair of a water damaged framed chimney using low maintenance pvc corner boards and fiber cement siding.
5 press the flashing into place at the transition.
Flashing between brick and siding is a relatively similar process on all types of brick to siding transitions although there may be slight variations based on manufacturer recommendations.
This flashing would be sealed between it and the brick with you guessed it silicone caulk.
For fireplace boxes and chimneys apply caulking along both parts at the back to ensure a vertical seal at the brick.
The closed cell foam won t rot or soak up water just be sure to use enough blue tape to protect the brick and siding from the expanding foam.
B the flashing on the chimney ledge was installed with the metal bent down behind the brick vs.
The first is called step flashing.
Pieces of 18 inch wide flashing installed prior to the brick work but on top of the house wrap in a stepped fashion periodically laying on top of the lapped upper portion of the siding to get the water back to the exterior of the wall is more along the lines that i would be thinking of.
The original joint between house and chimney should be sealed first.
Sections of l shaped sheet metal are woven into the shingle courses and lapped up the side of the chimney.
Occasionally however it is found on chimneys installed on top of wood furring strips that provide a 1 inch clearance between the chimney and the siding.