Repair Sandstone Window Sill ((better)) May 2026

#StoneRestoration #SandstoneRepair #WindowSill #MasonryWork #Preservation #OldHomeRestoration

The before vs. after on this sandstone window sill repair. ✨ repair sandstone window sill

Case Study: Structural repair of a decayed sandstone window sill. spalling (flaking surface)

#SandstoneRepair #MasonryRestoration #OldHouseLove repair sandstone window sill

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Differential weathering had caused deep surface loss (up to 20mm) and hairline fractures threatening the sill's integrity.

We recently repaired this weathered sandstone window sill: ❌ Deep cracks, spalling (flaking surface), and water ingress. ✅ The fix: 1️⃣ Raked out old, failed mortar. 2️⃣ Applied a breathable stone repair mortar. 3️⃣ Reshaped the profile to match the original. 4️⃣ Finished with a water-repellent (but breathable) sealer.