Air Space Along Side Of Chimney In Attic

However i have two questions if i want to centrally air condition my entire house.

Air space along side of chimney in attic. Construct a sheet metal shield around combustion flues to maintain 3 inches of clearance between the flue and attic insulation. With the metal types check with the manufacturer as some are still tested with the loose attic insulation shield firestops and should be left as is. Then when they got to the attic they made a small correction to make the chimney exit at the ridge. Right or wrong that s just the way they did it up until 75 to 100 years or so ago.

Windows a few feet apart don t do much. Plug all open joist spaces under insulated side walls. Measure the four sides of the chimney where it goes through the ceiling framing and add up the. For exterior chimneys a 1 inch minimum air space must be maintained between the chimney and combustibles.

Long piece from a batt of fiberglass insulation and place it at the bottom of a 13 gallon plastic garbage bag. Ideally both metal and masonry chimneys should be airsealed for energy conservation purposes air leakage and to stop house moisture getting to the attic with the escaping house air. O is air conditioning the 1st floor effective with floor venting if i run ductwork in the basement. Make the air move over as long a path as possible.

Fold the bag over and stuff it into the joist space under the wall. A two room addition on the 1st floor has limited attic space and a 4 crawl space. Access the attic through a crawl space in the ceiling using a stepladder or use or the attic stairs. Hot air rises so locate an attic vent at the highest part of your attic.

It was common practice to offset the chimney on one side of a wall say the kitchen for a kitchen wood stove and leave the living room wall flush. Opening all the windows at the same time doesn t do much either. Try to draw in air from cooler outside areas but note that doing so may not be practical due to prevailing winds. It s easy to see your point about eliminating ductwork from the attic.