Damp Under Window Sill [upd]

Call a reputable damp surveyor (not a free quote from a chemical injection company). Expect to pay for a diagnosis – it will save you thousands.

Are you tired of noticing a damp patch under your window sill every time you walk into a room? You're not alone. Damp under window sills is a common issue that can lead to a range of problems, from mold and mildew growth to structural damage and health issues. In this post, we'll explore the causes, consequences, and solutions to help you tackle this pesky problem. damp under window sill

🧱 Condensation: Cold air outside + warm air inside = water droplets forming on the sill. 🪟 Failed Sealant: That tiny crack in the exterior caulking is an open invitation for rainwater. 🕳️ Gaping: Over time, the gap between the window frame and the wall opens up. Call a reputable damp surveyor (not a free

Have you dealt with this before? Let us know your fix in the comments! 👇 You're not alone

It usually starts with failed external weather sealing. Rainwater penetrates the masonry, saturates the sill, and tracks inward. Left untreated, this leads to: ❌ Dry rot in the timber. ❌ Blown plaster and bubbling paint. ❌ Toxic black mould growth.