Insulation Around Brick Chimney In Attic

Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

Insulation around brick chimney in attic. Go with a full aluminum sheath right against the chimney to serve as the air barrier and then fill in behind it with roxul or 2. You will probably have to look somewhere besides the big box stores for this. They make 4 wide blanket sized insulation for this. It may be easier to use rigid foam insulation than.

Loose fill or batt the common term for blanket insulation. Both can be added to uninsulated attics or layered over existing material. I think i ll either. You might want to consider a wireless thermostat.

Fiberglass is one of the most commonly used materials for insulating the home. If there is a straight open space accessible from above you might consider polyisocyanurate foam insulation. The b vent system requires air space clearance as well as clearance from combustibles. Spun fiberglass insulation is like a sponge as far as its ability to collect and hold significant volume of water.

Insulating your crawl space walls with at least an r 19 or r 21 will go a long way. In hot climates it prevents heat from outside the house entering reducing the need to use air conditioners. It is an effective barrier to the passage of heat. Because the pipe gets hot building codes usually require 1 inch of clearance from metal lues 2 inches from masonry chimneys to any combustible material including insulation.

For diy attic insulation you ve got two choices. In either cse it fills the required open air space around the b vent in the un conditioned attic space. The opening around a furnace or water heater lue or chimney can be a major source of warm air moving in the attic. A 2 inch board has r 13 insulation.