Specifications include, but are not limited to: 3.1 EXAMINATION A. Schedule work after all penetrations through roof are complete and perimeter conditions are ready to receive roof system. B. Verify that deck surface is smooth and dry and deck joints do not exceed 1/16 inch. C. Verify that wood substrate moisture content does not exceed 12 percent; no depressions or splinters exist. Verify flatness and tight joints of wood decking. 3.2 PREPARATION - TO EXISTING ROOF SYSTEM A. Mask off adjacent surfaces that are not scheduled to receive foam. 3.3 INSULATION INSTALLATION A. Apply primer and foam insulation in accordance with manufacturer's instructions. B. Place insulation to 1 inch thickness; plus or minus 1/16 inch C. Apply foam to permit first coat of basecoat application on same day. If this time limit is exceeded, prepare foam skin surface in accordance with manufacturer's instructions. D. Develop finish skin surface to smooth and unbroken "rough orange peel" texture. Uneven surfaces are not acceptable. 3.4 OVERCOAT INSTALLATION A. Install overcoat in accordance with manufacturer's instructions. B. Prepare and seal penetrations through roof with sealant. C. Apply overcoat in two coats with dissimilar colors for each coat to a total dry film thickness of 30 mils minimum. 3.5 CLEANING A. Remove excess insulation or overcoat from finished surfaces. B. In areas where finished surfaces are soiled by work of this section, consult manufacturer of surfaces for cleaning advice and conform to their documented instructions. C. Repair or replace defaced or disfigured finishes caused by work of this section.
