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Comprehensive Guide to Wall and Roof Finishes: Options, Insulation, and Weather Protection

Explore a detailed overview of various wall and roof finishes including wood shakes, shingles, vinyl, and fiber cement. Learn about essential weather protection systems comprising insulation, vapor barriers, sheathing, and cladding. Understand the importance of features like gutters, drainage systems, flashing, and air gaps for moisture management. Discover types of insulation materials and their placement for optimal energy efficiency. This comprehensive guide serves as a valuable resource for architects, builders, and homeowners aiming for durable and efficient building solutions.

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Comprehensive Guide to Wall and Roof Finishes: Options, Insulation, and Weather Protection

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  1. Finishes many options Walls wood shakes, shingles, board & batten (vertical), plank lap (horizontal), T1-11 ply, vinyl, fiber cement, aluminum, stucco.& .Brick (masonry) shown above Roofs wood shakes, shingles, asphalt shingles, metal standing seam or corrugated, clay or cement tile, slat, single ply at flat roof....

  2. System to Remove water Gutters / Roof Drains (Leaders) or Down Spouts DS. French drains (gravel trench) w/ Rain chains

  3. Details • Weather protection – a Moisture System • insulation (& V.B. vapor barriers) • sheathing • weather barriers • Venting • Flashing • Cladding (finish material) *

  4. Detail Layers-of weather barrier System • Vapor Barrier • Insulation • Sheathing • Moisture Barrier • Flashing • Siding

  5. Flashing often a soft metal that can cover the gap and direct water away from wall or roof used at intersections (and/or with a Drip edge)

  6. 1” AIR GAP *Rain-screen* ...Air cavity keeps siding away from wall framing allows moisture to dry

  7. Brick veneer on wall is a rain screen 8

  8. Flashing ...at window head and at sloped sill [Window in section view]

  9. Frame Building Section

  10. Weather Protection System • Walls & Roof • Insulation (w/V.B. vapor barriers) • Sheathing (OSB - CDX ply.) • Weather or Moisture barriers • Venting (air space / dry moisture) • Flashing (water away & drip edges) • Cladding (finish material) *

  11. ...In the Walls Plumbing, electrical & Insulation (with V.B. vapor barriers)

  12. Attic 1. Air gap for venting b/w insulation & sheathing 6. Roofing felt or MB (moisture barrier) 2. & 4. Insulation (batt or rigid) 3.Vapor barrier (on warm side of wall or roof) 5.Drywall Finish wall 6. MB 7. Roof (shakes) Insulation (& V.B. vapor barriers)

  13. Insulation Symbol is a Looping line for Blanket or batt insulation * Rigid Insulation Symbol is criss-cross lines Insulation Resists heat/air infiltration = R value (the higher the # the better)

  14. R 38 at ceiling or rafters R 21 in walls R 30 at floor Energy Code Why are these numbers highest at roof?

  15. Header with Rigid Insulation *energy saving Types of Insulation Material : Batts or blankets or blown or Rigid (at Header over door) or foam expanding insulation

  16. CRUSH LESS INSUL. • Insulation location : • Attic ..most critical area (as heat rises) • Exterior walls • Floors - separating unheated from heated areas • [doors & window - insulated & with weather stripping]

  17. Isometric of an exterior wall with CLAPBOARD SIDING ...on thewalls Weather protection system = enclose house

  18. Type of Siding: noted on elevation dwgs. Seen in section dwg. fianl layer Wood Shingles or (Shakes which are more random because they are split wood )

  19. Shiplap wood siding Stucco Type of Siding: Wood Shingles or (Shakes which are more random because they are split wood )

  20. Shingles Beveled Clapboard siding * Or board & batten

  21. *energy saving Flashing at Roof Stepped overlapped

  22. Brick Wall (Masonry) ….on CMU or on wood framing –most common

  23. END OF LECTURE *

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