ACH 121 Lecture 11a (Thermal & Moisture Protection)
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ACH 121 Lecture 11a (Thermal & Moisture Protection)
- 1. Thermal & Moisture Protection Why MOISTURE protection is needed? Types of Moisture Protection Why THERMAL protection is needed? Types of Thermal Protection
- 2. Moisture Protection What is condensation and why is it an issue in building construction? Types of Moisture Protection Vapor Barriers and Exterior Cladding Materials Roofing Ventilation and Materials Flashing & Gutters/Downspouts This Lecture:
- 5. Water Vapor Properties water (liquid state) ice (solid state) vapor (gas state) freezing melting condensation evaporation sublimation
- 16. Types of Moisture Protection Roof Ventilation Vapor Retarders & Barriers (building paper) Exterior Finishes & Cladding Roofing Materials Flashing Roof Drainage
- 19. PVC (vinyl) Soffit - Perforated Typical Gable Vent
- 20. Ridge Vent
- 21. Roof Sheathing “held back” to allow the ridge to be vented
- 26. Asphalt Felt
- 30. Vinyl Sliding Profiles double 4” clapboard double 4½” dutchlap double 5” dutchlap double 5” clapboard triple 3” clapboard
- 32. Wood Siding
- 33. Wood Siding
- 35. Brick masonry veneer with vinyl siding
- 36. Brick Veneer
- 37. Stone Veneer
- 38. Stone Veneer
- 41. Vinyl Shingles
- 42. Wood Shingle Shakes w/ Stone
- 46. Exterior Insulation & Finish System (Photo - Insulation Board being attached to Gypsum Board Sheathing)
- 47. Exterior Insulation & Finish System (Photo – Reinforcing Mesh applied at openings)
- 48. Exterior Insulation & Finish System (Photo – Cementitious base coat being applied)
- 49. Exterior Insulation & Finish System (Photo – Reinforcing mesh visible in cementitious base coat)
- 50. EIFS Finish Coat Applied
- 51. NEXT CLASS Thermal and Moisture Protection Roofing Materials Flashing Gutters and Downspouts Read Chapter 7 and review class lecture notes
- 52. LAST CLASS Thermal and Moisture Protection Condensation Vapor Retarders Roof Ventilation Cladding Students should have reviewed Chapter 7 and class lecture notes
- 53. Class Review What is condensation? Why is condensation bad for building assemblies?
- 54. Class Review What is used to prevent the passage of vapor into the construction assembly? Leading Manufacturer of vapor retarders?
- 55. Class Review Identify these:
- 56. Class Review Identify these:
- 57. THIS CLASS Thermal and Moisture Protection Roofing Materials Flashing Gutters and Downspouts
- 60. Different Asphalt Shingle Profiles
- 61. Roofing Materials-Asphalt Shingles Professor Brandi R. Shepard© ACH 121-Materials and Methods 1
- 62. Professor Brandi R. Shepard© ACH 121-Materials and Methods 1
- 63. Roofing Materials-Asphalt Shingles Professor Brandi R. Shepard© ACH 121-Materials and Methods 1
- 65. Roofing Materials- Asphalt Shingles
- 66. Roofing Materials- Asphalt Shingles
- 67. Roofing Materials- Asphalt Shingles Professor Brandi R. Shepard© ACH 121-Materials and Methods 1
- 68. Roofing Felt Asphalt Shingles - Packaged Laid from the Eave up
- 71. Cedar Shake Roof
- 76. Slate Roofing & Copper Flashing Slate Roof
- 83. “ Hip Cap” (Shingles covering hip rafter) Flashing treatment for hip rafters and valleys
- 84. Flashing for chimney and vent stacks Copper cricket at back of chimney; also used at bottom of two sloping roofs
- 88. Roof Drainage http://raingutterstore.com/rainGutters.asp http://www.tricountyguttering.com/raingutterinstallation.htm
- 90. Downspout connected to Underground Piping (splash block also common)
- 91. Gutters and Downspouts Professor Brandi R. Shepard© ACH 121-Materials and Methods 1
- 92. NEXT CLASS Thermal Protection Review Chapter 7
Editor's Notes
- WHAT IS THE PURPOSE??? PREVENT ICE BUILD UP IN WINTER AND COOL ROOF IN SUMMER ALSO REQUIRED BY CODES HOW DO YOU ACCOMPLISH IT??? Eave Ventilation SCREENED VENTILATION STRIP OR PERFORATED SOFFIT Gable Vents VENTS AT THE GABLED ENDS OF THE ROOF STRUCTURE (UNDER THE RAKES) Ridge Vents CONTINUOUS METAL OR PLASTIC VENTS
- WHAT IS THE PURPOSE??? PREVENT ICE BUILD UP IN WINTER AND COOL ROOF IN SUMMER ALSO REQUIRED BY CODES HOW DO YOU ACCOMPLISH IT??? Eave Ventilation SCREENED VENTILATION STRIP OR PERFORATED SOFFIT Gable Vents VENTS AT THE GABLED ENDS OF THE ROOF STRUCTURE (UNDER THE RAKES) Ridge Vents CONTINUOUS METAL OR PLASTIC VENTS