RADIANTGUARD ULTIMA RADIANT BARRIER — Pair this NASA-derived foil in your attic with the chimney on the wall for a compounding thermal effect. Blocks 97% of radiant heat the chimney can't reach.
Amazon
RADIANTGUARD ULTIMA RADIANT BARRIER — Pair this NASA-derived foil in your attic with the chimney on the wall for a compounding thermal effect. Blocks 97% of radiant heat the chimney can't reach.