SpecEtch Deep
Horizontal deep surface retarder
SpecEtch Deep is a spray-applied, chemical surface retarder specially engineered to expose the underlying aggregate of freshly placed horizontal concrete. SpecEtch Deep is designed to not alter the natural color of the aggregate or concrete.
- Ready to Use
- Economical and easy to use
- Non-flammable, VOC Compliant
- Blue dyed
- Typical etch is 3/8” to 1/2”
- Recommended for mix designs with 1/2” or larger aggregate

Application
- Concrete Placement: After placing the concrete, float, screed, or trowel level without overworking the surface to prevent sinking of aggregate.
- Application Time: Apply SpecEtch Deep as soon as surface water has disappeared using a garden-type sprayer to avoid puddles. Normal application rate is approximately 150 square feet per gallon.
- Covering: Cover the treated area with plastic sheeting (black preferred) to cure. Typical etch is 3/8” to 1/2”.
- Exposure: After 12 to 24 hours, depending on conditions, remove the plastic and flush off the retarded concrete with a garden hose and stiff broom. A pressure washer may be used carefully to expose the aggregate.
Packaging
- Available Sizes: Packaged in 55-gallon drums and 5-gallon plastic pails.
Shelf Life
- Shelf Life: One year from the date of manufacture when stored properly in original, unopened containers.
Coverage
- Typical Coverage: 100 – 200 square feet per gallon, depending on surface conditions and desired depth of etch.