Green Building Forum - air tightness of aerosol foam Wed, 08 Apr 2026 10:24:21 +0100 https://www.greenbuildingforum.co.uk/newforum/ Lussumo Vanilla 1.0.3 air tightness of aerosol foam https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=5634&Focus=79550#Comment_79550 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=5634&Focus=79550#Comment_79550 Tue, 06 Apr 2010 22:46:44 +0100 RobinB air tightness of aerosol foam https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=5634&Focus=79551#Comment_79551 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=5634&Focus=79551#Comment_79551 Tue, 06 Apr 2010 23:09:20 +0100 Paul in Montreal
50 pascals = 0.00725188689 pounds per square inch

Work out the area of your foam and you'll see the pressure is minuscule.

Paul in Montreal.]]> air tightness of aerosol foam https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=5634&Focus=79557#Comment_79557 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=5634&Focus=79557#Comment_79557 Wed, 07 Apr 2010 07:18:07 +0100 RobinB air tightness of aerosol foam https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=5634&Focus=79564#Comment_79564 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=5634&Focus=79564#Comment_79564 Wed, 07 Apr 2010 11:01:11 +0100 DamonHD
Didn't even blow cobwebs out of some of my unplanned vents!

Rgds

Damon]]> air tightness of aerosol foam https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=5634&Focus=79904#Comment_79904 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=5634&Focus=79904#Comment_79904 Tue, 13 Apr 2010 14:08:12 +0100 RobinB