What is the best material for chimney flashing?

Aluminum – a very popular choice. Aluminum flashing is inexpensive and can be installed on any type of roof. It’s also resistant to rust. Steel – steel is also a very common material used for chimney flashing.

How do you flash a metal chimney?

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. Slide sidewall flashing into place and fasten into the chimney with masonry anchors. Repeat sidewall flashing on opposite side of the chimney.

Is Flex Seal good for chimneys?

Flex Seal will work on roofs, gutters, skylights, windowsills, flashings, downspouts, foundations, awnings, chimneys, vent pipes, RV’s, campers, trailers. It can be applied to wood, copper and other metals, concrete, masonry, glass, fabric, plastics and much more.

How much does it cost to fix chimney flashing?

Typically, the cost to replace chimney flashing ranges from $300 to $1,500, while repairing chimney flashing averages between $200 and $500. For larger chimneys made of stone or brick that require flank flashing and its more extensive installation process, expect to pay up to $2,000.

What color should chimney flashing be?

The flashing will come in either white or brown. If your trim is either of these colors that is fine. If your trim is white and the flashing is brown you MUST paint the flashing white otherwise the fascia will look too narrow to support the roof. Additionally the roof will appear too heavy.

How do you seal a chimney on a metal roof?

To seal around a chimney, you will need: A caulking gun and caulk. We recommend using an acrylic latex or silicone-based sealant as it resists fire and heat much better than other types of caulk. Begin by applying the latex/silicone caulk to the top of your chimney.

How much does it cost to flash a chimney?