Chimney Waterproofing
Chimney masonry is porous and absorbs water that causes spalling and interior leaks. We apply a breathable waterproofing sealer that blocks water while letting moisture escape.
Why choose our chimney waterproofing
Blocks water absorption
Breathable — won't trap moisture
Prevents spalling & freeze damage
Clear, invisible finish
How we get it done
A clear, step-by-step approach so you know exactly what to expect.
Clean
The chimney is cleaned of stains, moss, and loose material.
Repair
Any cracked mortar or spalled brick is repaired first.
Apply sealer
A breathable silane/siloxane sealer is applied to saturation.
Cure
The sealer cures to a clear, water-repellent finish.
See the difference
Same scene, same angle — the condition we start from and the finished result we deliver.
Chimney Waterproofing questions, answered
Other Waterproofing services
Get a free quote for chimney waterproofing
Open 24/7 by quote across all five NYC boroughs. Tell us about your project and we'll take it from there.