General Preparation For Resinous Floors

Preparation, General

Substrate  preparation is critical to the success of the application. Epoxy resin  flooring is designed to bond permanently to the substrate. Suitable  substrates include new plywood (please refer to plywood installation for  type of plywood and method to secure plywood,) new or existing  concrete, properly bonded existing epoxy. The substrate must be clean  (free of grease, oil, hydrocarbons, soluble salts, and chemical  contaminants) dry, structurally sound, and profiled.

Preparation on New Plywood

The  top layer of plywood needs to be Luan.  It should be glued and screwed  every 2 inches on every seam, and every 4 inch, on center, in the  field.  Sweep and vacuum plywood to remove dust, dirt and any bond  inhibiting contamination. Ensure screws are either flush or slightly  recessed from the top surface of the plywood. All seams to be patched  with Bedrock Fine Patch, 100% solids epoxy and allowed to cure. If  installation of Double Broadcast Flooring proceeds after 24 hours of the  patching of the seams, the Bedrock Fine Patch needs to be sanded prior  to the installation of the epoxy flooring.

Preparation on New Concrete

New  concrete needs to have the latency removed and profiled to a CPS  (Concrete Surface Profile) of 3-4. Shotblasting is the preferred method  of preparation, however, other mechanical methods such as diamond  grinding, light scarifying, or hand tooling to achieve the same profile  are acceptable. Sweep and vacuum concrete surface to remove dust, dirt  and any bond inhibiting contamination.

Preparation on Existing Concrete

Methods  of preparation on existing concrete include the same preparation as new  concrete plus the removal of any existing finished flooring, sealers,  paint, mastic, thin set, etc. These materials must be removed  mechanically. Do not acid wash.

Details Prior to Installation

Cracks,  holes and non-moving joints need to be patched using Bedrock Patch,  100% solids epoxy patching compound, and allowed to cure. Functioning  expansion joints cannot be bridged with the finished flooring. They need  to be located and marked so they can be saw cut and caulked after  installation. Drains, plates, and other termination points need to be  chiseled or cut 1/4 inch by 1/4 inch to provide a "toe hold notch."