I have a house build in the 1920's. I recently had a HVAC system installed, and i have to insulate my actic (Unfinished). The three bedrooms and one bath on the floor below have a center ceiling electric light, wired with the original knob and tube electric. What would be the best form of insulation around this area of the attic?
What type of insulation can be used near knob and tube wiring
insulation
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Best Answer
None. K&T was designed to have an air space around the wires. If you fill that space up with insulation--any kind of insulation--you're defeating that part of the design and causing a major fire hazard. Keshlam is right--the best solutions is to bite the bullet and have the house re-wired. Then you can install whatever kind of insulation you'd like, including in the walls, which right now are most likely empty and uninsulated--another consequence of K&T wiring.