Flue Chase

[John Evans]

The flue and vent chase is partially covered with a type of foam, very dry and falls apart when handled. Home built in 1973, have no idea what the builder was trying to accomplish. I will note in the report that this material is a potentially combustable and should be removed. The chase needs to be sealed in the attic also. Any thoughts?

[Brian A. MacNeish]

Originally Posted by jevans

The flue and vent chase is partially covered with a type of foam, very dry and falls apart when handled. Home built in 1973, have no idea what the builder was trying to accomplish. I will note in the report that this material is a potentially combustable and should be removed. The chase needs to be sealed in the attic also. Any thoughts?

Attachment 35517

Attachment 35518

Attachment 35519

Looks like UFFI (urea-formaldehyde foam insulation) that was popular in the late 70's-early 80's.

Definitely needs to be removed.

[Bob Elliott]

Originally Posted by jevans

The flue and vent chase is partially covered with a type of foam, very dry and falls apart when handled. Home built in 1973, have no idea what the builder was trying to accomplish. I will note in the report that this material is a potentially combustable and should be removed. The chase needs to be sealed in the attic also. Any thoughts?

Attachment 35517

Attachment 35518

Attachment 35519

Must have figured he was conserving heat.

[Marcel Gratton]

Originally Posted by Brian A. MacNeish

Looks like UFFI (urea-formaldehyde foam insulation) that was popular in the late 70's-early 80's.

Definitely needs to be removed.

Agree, it looks like it was sprayed on the wall and collapsed.

[rbero]

You don't want that pipe to get cold