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Pumping Cavity Walls

Greengekko · 2018-05-09 15:48:33

Hi, Looking to pump the cavity walls in an extension. There is currently no insulation in the walls. Wondering to go with bead or Foam? One company is supplying icynene foam other companies supplying pumped beads. Will foam allow moisture to penetrate from external leaf in to the internal leaf? Should foam be avoided, ive…

09-05-2018 3:48pm

#1

Greengekko

Registered Users, Registered Users 2 Posts: 36 ✭

Join Date: April 2018

Posts: 28

Hi,

Looking to pump the cavity walls in an extension.
There is currently no insulation in the walls. Wondering to go with bead or Foam?

One company is supplying icynene foam other companies supplying pumped beads.

Will foam allow moisture to penetrate from external leaf in to the internal leaf?

Should foam be avoided, ive been researching and seen a few instance where foam creates a bridge or traps moisture inside.

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