How much overhang should a chimney cap have?

Chimney caps shall have a minimum thickness of 2 inches, shall slope outwards away from the flue, and shall provide a 1 inch overhang and drip edge on all sides.

How high should chimney cap be above flue?

5”
The lid of the cap should be at least 5” above the top of the any flue tiles it is covering. Having more clearance than 5” is a good idea. Will it keep embers off my roof? A chimney cap with at least a ¾” sized mesh should accomplish this.

How do you install a round chimney cap?

Place the cap flange on the crown to determine the height of the guide holes. Space the screws out at least 12 inches apart with at least one on each side of the crown. Drill with a 3/16 inch masonry bit. Tighten screws into the guide holes to support the chimney cap as you work around the perimeter.

What is the best mortar for a chimney cap?

Because the top of the chimney takes a beating from the elements over the years, I recommend using type-S masonry-cement mortar, which has an increased amount of portland cement. This mortar is available at your local masonry-supply dealer in 70-lb. bags, and it’s fairly inexpensive.

How long does it take for a chimney crown to heal?

The concrete of the chimney crown must be cured properly to gain maximum strength. It should be covered tightly with plastic for three or four days after it’s poured. The mason can spray on a clear curing compound should he not want to put on the plastic.

How much does chimney cap installation cost?

Chimney Cap Installation Cost Installing a chimney cap costs $300 on average, ranging from $75 to $1,000. The cap runs $35 to $550 depending on material and size. In most cases, you’ll pay $100 to $200 for installation. Without a chimney cap, all you have at the top of the flue is an open hole.

How much does it cost to have a chimney cap installed?

Can I use quikrete for chimney crown?

Using pre-packaged concrete mix with decent strength is the way to go. I like Quikrete 5000 myself, having used it on many projects with no performance problems.

What is the leg kit for chimney caps?

The Leg Kit is an optional accessory used with our Stainless Steel Bolt On Chimney Caps when the clay tile doesn’t protrude from the top of a brick chimney. The kit includes everything needed for installation: 4 legs and 4 locking nuts. The legs will pressure fit inside the clay flue. The locking nuts will secure the legs to the chimney cap.

How do you install a chimney cap on a wood burning stove?

Get a chimney cap that is sized to fit the flue. Determine whether your chimney cap is designed to slide over the flue or inserted. Install the cap. Check for at least 6 inches between the flue and the top of the cap to allow for proper ventilation. Insert the self-tapping screws into the holes on the chimney cap.

How much does it cost to replace a chimney cap?

Chimney caps are typically made of galvanized metal, stainless steel, and copper. The cost for a stainless steel chimney cap installation can range from $175 to $225 for a standard sized single flue caps.

What is the best chimney cap for a gas log chimney?

If you’re on a budget, you may be tempted to go for a galvanized chimney cap. But these caps won’t work with gas logs and can rust out and damage your chimney and siding over time. Stainless steel and copper caps are more expensive, but they look better and require less maintenance.