COVERAGE & DRYING TIME:
* Coverage: sq ft/gal
Porous concrete 150-200
**Split face block 200-300
Fluted block 25-50
Concrete block 75-125
Brick (clay) 100-150
Roof tiles 25-50
Bridge decks 100-150
Steel trowled concrete 150-200
Precast concrete 125-175
* Coverage will vary depending on the porosity and texture of
the substrate.
** Lightweight split faced block may require a film-forming product due to
its extreme porosity
Drying time, @ 72°F, 50% RH:
Touch: 3 hours
Recoat: 24 hours
Light foot traffic: 24 hours
Heavy traffic: 24 hours
Description
H&C® HYDRO-DEFEND® HB-100 AND HB-150 WATER REPELLENTS are designed to weatherproof old and new concrete and masonry surfaces against natures destructive forces. They provide a long lasting breathable barrier that resists cracking, airborne dust and dirt, salt, efflorescence and spalling.
