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Damp spots gable end attic wall

RebelButtMunch · 2023-10-28 08:29:31

Hi. Semi detached house. I was up in the attic and I noticed that an area of the gable end exposed wall is mouldy and looks to have damp drops on it. Sand and cement render on the outside that looks intact but might have a slight crack... hard to see. Roof looks OK from the inside. Is this a matter of just needing more…

28-10-2023 8:29am

#1

RebelButtMunch

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Hi. Semi detached house. I was up in the attic and I noticed that an area of the gable end exposed wall is mouldy and looks to have damp drops on it.
Sand and cement render on the outside that looks intact but might have a slight crack... hard to see.
Roof looks OK from the inside.
Is this a matter of just needing more ventilation in the attic maybe or could water be penetrating from the outside?

0

Comments

#2 28-10-2023 5:23pm

Cerco

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If there is a chimney over the gable then it is probably due to lead flashing movement. It may need to be dressed and sealed or replaced. This is a common problem.

1
#3 28-10-2023 5:32pm

mickdw

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What is the wall make up?
Double wall blockwork or hollow block?

1
#4 28-10-2023 8:26pm

RebelButtMunch

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Hollow block

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#5 28-10-2023 8:27pm

RebelButtMunch

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Thanks. No chimney on that side

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#6 28-10-2023 8:46pm

mickdw

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Ya with hollowblock, you are strongly relying on external render so I'd have a look around Externally at all areas above the damp spot.

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