Put on heavy work gloves and use tin snips to cut a piece of sheet metal to the same measurements as the chimney opening.
Capping off a chimney.
You never block off a chimney even if is not used as there will be many years of damp stuck to the inner linner wall of the chimney.
Take the chimney down.
Get onto your roof with a ladder.
Use a breather cowl.
Other helpful maintenance.
Before you can determine what the best way is to close up your chimney you need to know for how long you.
Usually unused chimneys are capped off with a bent sheet metal covering and perhaps a wire strap or weight on the top.
Find the flue on your chimney which is the clay or metal.
The key to capping the top of the chimney is to install a barrier that will be moisture and tamper resistant and will not be affected by environmental factors such as snow wind and sunlight.
Regardless of whether you are closing your chimney up permanently or temporarily you need.
How to cap a chimney off find the correct flue how to determine which flue is which on multiple chimney flue stacks and smoke test.
Below is a link for such a cowl.
The best ways to close up a chimney time period.
Best chimney cap which is the best chimney capping method for you and product links provided.
This option is best for standalone small chimneys it can be very easy to dismantle a small.
Buy a cap that has the same length.
It must be a complete rain shelter not just the spark cap that is normally on a chimney but at the same time it must not be sealed air tight.
Capping a chimney off with a slab is well not may favorite at all.
Use a ladder that extends at least 3 feet 0 91 m above your roof so you can.
Placing a patio slab over the top of the chimney should only ever be done if there is some other form of.
Keeping rain and animals out.
Apply a bead of butyl rubber caulk around three sides of the chimney at.
The cowl will let the wind flow tghrough and will dry out the chimney lining and keep it dry.
Measure the length and width of the flue on your chimney.
Capping a chimney off with a slab.
How to measure chimney pots done from the floor with no special kit.
The correct soultion is for a plaster air vent at the bottom a chiney cowl at the top.
If you decide to cap your chimney off yourself please make sure you use the correct ladder safety.