Surface Preparation
Proper surface preparation is extremely important to the long-term performance of Dura-Coat Super Grout 811. The prepared concrete surface must be structurally sound, free from all types of contaminants and rough to an >ICRI CSP 3 profile (similar #60 grit sandpaper). If used with Dura-Coat Krete-Seal Fast 820, the surface can be damp, but not wet, i.e. no standing water. If there is no vapor barrier, check for vapor transmission.

Surface Cleaning & Profiling Methods
Hydroblasting                  Scarifying
Steel Shot-Blasting          Dry Abrasive Blasting

Mixing
For ease of mixing and application, all material temperatures should be between 70°-90°F (21°-32°C) prior to mixing. Dura-Coat Super Grout 811 should be applied shortly after applying Krete-Seal Fast 820 primer. The primer should be tacky/adherent before applying Dura-Coat Super Grout 811; otherwise, the area must be resurfaced. This is ideal within 2 hours of application depending on environmental conditions. Pre-mix the Base to disperse the pigment well. Then thoroughly mix base and activator in a suitable bucket using a low speed mixer. Then transfer the mixed resins to an epoxy mortar mixer containing one bag of Quartz and gradually add the remaining bags. Total mixing time should be a minimum of 3 minutes or until evenly mixed.

Application
Dura-Coat Super Grout 811 can be spread over the floor surface using rigid guides or bars, not exceeding 1.2 m (3.93 ft) wide.
Apply with a thickness of at least 6 mm (240 mil) and finish the surface using steel spatulas.
IMPORTANT: During application, press Dura-Coat Super Grout 811 firmly into the substrate to promote contact with the primer and ensure complete compaction. Finish the surface with a trowel until you obtain a uniform and smooth surface texture.