As temperatures start to drop in autumn, condensation can become more noticeable in roof spaces.
Warm, moisture-laden air from inside the property can reach colder areas of the roof and condense. Without adequate ventilation, this moisture can build up and potentially contribute to damp, mould and problems with roof timbers.
Look for Signs of Condensation
It’s worth checking the loft or roof space as the weather gets colder.
Keep an eye out for:
- Water droplets on the underside of the roof
- Damp roof timbers
- Wet or damp insulation
- Mould or musty smells
- Excess moisture around the roof space
Check Your Roof Ventilation
Good ventilation helps moisture escape from the roof space rather than allowing it to build up.
Check that existing ventilation isn’t blocked or covered, particularly around the eaves. Insulation should also be positioned correctly so that it doesn’t obstruct the ventilation path.
Depending on the roof, ventilation may be provided using tile vents, ridge ventilation or other suitable ventilation systems.
Don’t Ignore Persistent Condensation
Occasional condensation doesn’t necessarily mean the roof is leaking, but you shouldn’t ignore persistent moisture.
If you regularly notice wet timbers, damp insulation or mould, investigate the cause and check whether the roof has adequate ventilation.
Addressing these issues as temperatures begin to fall can help maintain good airflow through the roof space throughout autumn and winter.
Find Roof Ventilation Products at eRoofing
eRoofing stocks a range of roof ventilation products and roofing accessories for different roof types and applications.
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