A top damper works very similar to a throat damper.
Chimney top damper reviews.
The damper closes all the way but due to it s design a very small amount of force can break the seal.
Item 703429 model lm1216ld.
Top dampers are cheaper and easier to have repaired or replaced if need be as well.
The forever cap 16 in w x 12 in l cast aluminum chimney damper.
Thanks for a great question.
Lock top mounts on top of your chimney to keep out animals leafs bugs snow and rain.
3 0 out of 5 stars does enough for the job.
The damper is located at the top of the chimney and a chimney cap which prevents rain and critters from entering the chimney is attached.
Reviewed in the united states on april 4 2014.
Click this category to view all the chimney damper sizes and styles available.
It still prevents air from entering or exiting the home but the advantage to the top damper is that it seals air off at the top of the chimney which is more energy efficient.
Only issue with ours is sometimes it closes all the way and sometimes it only closes about 3 4 of the way.
Mounts on top of your chimney to keep out animals leafs bugs snow and rain easily operates from inside your firebox and seals tight every time you close it eliminating any draft.
It is much better than the standard damper that was in my fireplace before.
These are commonly used in new construction and are the preferred damper of many professionals.
The top sealing chimney damper is designed to stop cold air from coming down the flue and expensive conditioned air from going up.
Overall i am happy with the damper and would recommend this to anyone looking for a chimney damper.
Pretty easy to install.
Lock top top sealing dampers are as much as 90 more efficient than throat dampers because they provide a silicone rubber gasket seal rather than metal to metal.
It seems the cable sometimes interferes and only closes 3 4 of the way.
Lymance top sealing dampers are as much as 90 more efficient than throat dampers because they provide a silicone rubber gasket seal rather than metal to metal seal.
Unlike the top mounted damper which is obviously located on the upper end of the chimney the throat damper is located more towards the fireplace.
It immediately stopped the draft through the chimney in my house.
