Heritage Building Plaster Ceiling Restoration
We restored the water-damaged interior plaster ceilings of a traditional Lebanese stone house. Decades of slow water ingress had blistered the lime plaster, exposed the wood lath, and stained the original wall finishes. The owner wanted the historic character preserved, not replaced.

The Challenge
Heritage interiors react badly to modern impermeable repairs — trapping moisture inside lime plaster only accelerates the next failure. We had to stop the active leaks, dry the substrate, and rebuild the damaged sections with a vapor-permeable system that lets the wall continue to breathe.
The Result
The ceilings are watertight, structurally sound, and visually continuous with the original interior. The repair is reversible and breathable — exactly what a heritage Lebanese stone interior needs to last another century.
Our Solution
Source Diagnosis & Crack Injection
Before any patching, we traced the water path. Active cracks above the ceiling were injected with a low-viscosity resin to stop new ingress. Only then did we move to the plaster work itself, so the same damage wouldn't reappear.
Lath Inspection & Lime Plaster Rebuild
Damaged stucco was carefully removed in patches, the underlying wood lath inspected and treated where needed, and the void rebuilt in compatible lime plaster layers. The new plaster matches the breathability of the original wall.
Color & Texture Reintegration
Patched areas were feathered into the surrounding finish so the repair reads as part of the original ceiling. The owner's heritage character is preserved without the obvious patchwork that modern gypsum repairs leave behind.
Materials & Technology
How We Solved It







Why Choose White Line
Four non-negotiable commitments that set us apart from every other firm in Lebanon.
The "Straight Line" Promise
Total transparency from day one. No hidden costs, no surprises. What we quote is exactly what you pay — we put it in writing.
Technical Precision
Premium Sika, Mapei & BASF materials. Leica & DJI survey instruments. LIBNOR-compliant designs. Sub-centimeter accuracy on every deliverable.
One-Year Guarantee
12-month written warranty on all engineering and waterproofing work. We stand behind every project, long after the last coat dries.
Safety-First Culture
4-year record of zero work-related incidents. We follow every international safety protocol — because our team goes home to their families every night.