This handbook contains information on materials, equipment, and procedures used to clean and seal cracks in asphalt cement concrete pavements. Crack repair problem areas are also presented. Additional information can be found in the references listed in the following paragraph. AF Records Disposition. Ensure that all records created by this handbook are maintained and disposed of IAW AFMAN 37-139, “Records Disposition Schedule.” It contains the following chapters

Chapter One Introduction
1.1. Scope
1.2. References

Chapter TwoPurpose of Sealing
2.1.Purpose
2.2.Reduce Maintenance Costs

Chapter Three When to Seal
3.1.Field Evaluation
3.2.Schedule
3.3.Climate Conditions
3.4.Porous Friction Surfaces

Chapter Four Specifications
4.1.Federal and ASTM
4.2.Other

Chapter Five Material Uses
5.1.Fed.Spec. and ASTM
5.2.DOT Spec
5.3.Other

Chapter six Crack Preparation Equipment
6.1.Introduction
6.2.Equipment Inspection
6.3.Equipment

Chapter Seven Crack Preparation Procedures
7.1.Crack Size Guidelines
7.2.Crack Widening
7.3.Initial Crack Cleaning
7.4.Debris Removal
7.5.Final Crack Cleaning
7.6.Inspection

Chapter Eight Crack Sealing Equipment
8.1.Hot-Applied Sealant Equipment
8.2.Sealant Applicators Not Recommended

Chapter Nine Crack Sealing Procedures
9.1.Crack Size Guidelines
9.2.Backer Rod Material
9.3.Inspection Prior to Sealing
9.4.Sealant Temperature and Application
9.5.Crack Sealing Delays
9.6.Inspection after Sealing

Chapter Ten Problem Areas
10.1.Categories of Problems

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