You can use a plastic vent cover to hide the air brick.
How to insulate brick chimney in attic.
Track down air leaks ideally using a blower door add more insulation to the attic floor and increase the amount of ventilation in that order.
The installer said i could stuff some fiberglass insulation down inside the insulation guard as you can see in the picture.
Air sealing a flat attic and upgrading the insulation with a blanket of blown cellulose is bread and butter work for weatherization contractor matt damon and his company penobscot home performance based in bucksport maine.
After that follow the usual guidelines to reduce attic temperatures.
It is often installed in gaps around the chimney and flue to prevent airflow that can siphon the heat away from the interior of the building.
As such it can be used to insulate a chimney.
Since it s brick can the loose fill fiberglass be blown right up against it or.
You need more insulation and more ventilation.
I ve been thinking that i might be able to insulate around the chimney in the loft space.
You are getting far more heat into that attic because of the lack of insulation than that chimney is providing.
Potentially improving the efficiency of the house overall.
It is relatively simple to insulate a chimney to reduce heat loss now but not eliminate the possibility of using it again in the future.
After he left i got to wondering.
Clean the bricks inside the hole level etc and cement the air brick in place.
Sealing up an unused brick fireplace chimney will save money on your heating bills and increase your comfort level at home in addition to letting in cold these chimneys pull hot air out of the house.
Keeping the chimney from sucking all of the heat out of this area and 2.
But even if you add insulation w out ventilation there is always heat loss and it will warm the attic and cause ice problems.
Mark the wall using a 12mm drill bit drill out the area within the line use the air brick as a template.
The chimney is the least of your worries here.
I m wondering about the efficacy of insulating the outside of a masonry chimney.
Fiberglass insulation is naturally fire resistant.
Among the many air leakage points damon and his crews commonly encounter in an older maine house is the open chase around the brick chimney.
The attic loft will be used as semi conditioned living space and i am concerned about 1.
It will take a while for the chimney breast to dry out.
My stove was just installed and i had them run a new chimney pipe for it.
This makes it an ideal insulation material for use in areas that experience high temperatures.
I have a large brick chimney in the attic and i m not sure how i m supposed to deal with insulation around it.
Thanks for the help.
