Damp & salt marks either side of a bay window exterior is pebble dashed painted in good condition marks are approx 1.0m from ffl

Short marks to internals either side of bay window exterior is purple – and painted in very good condition

Mark appear 1 m above FFL skirting levels in good condition

Could they be condensation??

They rented area on the outside as bridged at the stamp roof of course could it be this??

Asked by Anthony on 18th Feb 2026
Expert Trade Answers
"Hi I'm suspecting water is getting in either side of the window sill .check for any gaps and lack of silicone"
Answered on 18th Feb 2026 - Member since Jan 2026 - report
"Maybe you need damp course fix each side of the bay but I would run across bay as well injection"
Answered on 18th Feb 2026 - Member since Jan 2020 - report
"Hi Anthony
Sorry can’t help with repair as this is not our field of expertise
However it sounds like the rain is getting in behind the pebble dash and crossing over through the cement across cable ties which join the out wall to the inner wall would of been put in when house was built"
Answered on 18th Feb 2026 - Member since Jun 2023 - report
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