DJL
New Member
I'm insulating my basement rim joists with 2" of rigid foam and foil faced polyisocyanurate. Then I'll seal the edges around the rigid foam with spray foam (Great Stuff) to eliminate air leakage. The process I'm following is described at:
http://www.homeconstructionimprovement.com/rim-joist-insulation-insulating-options/
Is there any problem (fire, or other) in putting rigid foam and polyiso next to the pvc exhaust pipes of my water heater and furnace? These exhaust pipes are over 20 feet away from the heat source and are only slightly warm to the touch, but I didn't know if it was against code to do this, or if it posed a fire risk to do so.
http://www.homeconstructionimprovement.com/rim-joist-insulation-insulating-options/
Is there any problem (fire, or other) in putting rigid foam and polyiso next to the pvc exhaust pipes of my water heater and furnace? These exhaust pipes are over 20 feet away from the heat source and are only slightly warm to the touch, but I didn't know if it was against code to do this, or if it posed a fire risk to do so.