09-15-2019, 05:53 AM
The foam usually gets oxidation / uv damage over the years and crumbles/ gets hard as I’m sure you experienced when replacing the old stuff. It breaks apart/falls off over the years. You can put aluminum tape over it to help it last longer and or black uv tape.
HVAC Line Set Tape in Black https://www.homedepot.com/p/301395845
https://www.homedepot.com/p/Berry-Plasti...hall-NA-NA&cm_mmc=Shopping-B-FBT-G-Multi-NA-Multi-NA-Feed-PLA-Catchall-NA-NA-71700000014585962-58700001236285396-92700010802552406&gclsrc=aw.ds&&gclid=EAIaIQobChMI1vPq9ZDS5AIVhBx9Ch3I4AArEAQYCCABEgJ_CPD_BwE
HVAC Line Set Tape in Black https://www.homedepot.com/p/301395845
https://www.homedepot.com/p/Berry-Plasti...hall-NA-NA&cm_mmc=Shopping-B-FBT-G-Multi-NA-Multi-NA-Feed-PLA-Catchall-NA-NA-71700000014585962-58700001236285396-92700010802552406&gclsrc=aw.ds&&gclid=EAIaIQobChMI1vPq9ZDS5AIVhBx9Ch3I4AArEAQYCCABEgJ_CPD_BwE