spongy Patches on wall

Pell

New Member
I live in a bungalow built in 1936 and have a problem with patches in an outside wall that are spongy to the touch. I have dug out one area of the plaster and found what looks like cement render that has disintegrated. Any suggestions.
 

ChrispyUK

Well-Known Member
I live in a bungalow built in 1936 and have a problem with patches in an outside wall that are spongy to the touch. I have dug out one area of the plaster and found what looks like cement render that has disintegrated. Any suggestions.

check for water ingress.
 

Pell

New Member
Thanks for replies! I have added picture of the area which is about size of a dinner plate.
I can find no evidence of water or damp ingress.
Is this lime based render or just plain sand and cement?.
Should I take it back to brick first ?
WP_20200816_00_05_29_Pro.jpg
WP_20200816_00_05_29_Pro.jpg
 
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