This guide outlines general procedures and precautions necessary for correct and safe repair and recoat of SPF roofing systems.

This guide is not all inclusive; this guide is intended to supplement detailed instructions from manufacturers and safety requirements required by law.

1. Scope

1.1 This guide covers the procedures for the repair and recoating of existing spray polyurethane roofing systems.

1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

C1029 Specification for Spray-Applied Rigid Cellular Polyurethane Thermal Insulation

D5469 Guide for Application of New Spray Applied Polyurethane Foam and Coated Roofing Systems

D6083 Specification for Liquid Applied Acrylic Coating Used in Roofing

SPFA Standards

CPI Standard

Keywords

polyurethane foam; repair and recoat; roofing systems; SPF; Repair and recoat (of roofs); Roofing materials/applications; SPF (spray polyurethane foam); Polyurethane--roofing/waterproofing material ;

ICS Code

ICS Number Code 83.100 (Cellular materials); 91.060.20 (Roofs)

Citing ASTM Standards

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