Introductory technical guidance for professional engineers and construction managers interested in joints for building construction. Here is what is discussed: 1. TERMS, 2. JOINT MOVEMENT, 3. BUTT AND SHEAR JOINTS, 4. WIDTH TO DEPTH RATIO, 5. TEMPERATURE, 6. APPROXIMATE JOINT DIMENSIONS, 7. CALCULATION OF JOINT SIZE, 8. MATERIALS, 9. ELASTOMERIC SEALANTS., 10. STRUCTURAL SILICONE SEALANTS, 11. PREFORMED SEALANTS, 12. WOOL FELT, 13. RESILIENT FOAM, 14. ACOUSTIC SEALANTS, 15. BUTYL SEALANTS, 16. CHLOROSULFONATED POLYETHYLENE (CSPE) AND POLYCHLOROPRENE SEALANTS, 17. CURING, 18. SELECTION OF SEALANTS, 19. RADON, 20. FIRE RESISTANCE, 21. JOINT DETAILS.