We specialize in waterproofing solutions designed for Chicago’s climate. Our team installs self-bonding elastomeric flashing systems under parapet capstones to create a watertight seal that stands the test of time.

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Parapet Wall with Elastomeric Membrane
Parapet wall flashing system
Waterproofing system for parapet wall
Parapet Wall Underneath Capping Stone
Elastomeric Flashing by Gralak Waterproofing
Roof Decks waterproofing | Gralak Tuckpointing Masonry
Masonry Waterproofing | Gralak Tuckpointing
Flashing System Installed Under Capstone
Parapet Wall Flashing System | Gralak Tuckpointing
Capstone Flashing Installation | Gralak Tuckpointing
Flashing System Under Parapet Wall
Parapet Wall Waterproofing
Parapet Wall Flashing Installed by Gralak
Waterproofing for Masonry by Gralak

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