Rafters

2015 Span Tables For Joists And Rafters - AWC

SPAN TABLES FOR JOISTS AND RAFTERS 3 AMERICAN WOOD COUNCIL Table 9.1 Required compression perpendicular to grain design values (F c⊥) in pounds per square inch for simple span joists and rafters with uniform load. Bearing Length, in. Span, ft 1.5 2.0 2.5 3.0 3.5 2 30 22 18 15 13 4 59 44 36 30 25 6 89 67 53 44 38 8 119 89 71 59 51 10 148 111 ...

  Rafter

SUBMITTAL SHEET - Owens Corning

Cathedral Batts are designed to fi t tightly between cathedral rafters without stapling the fl anges and when properly installed, still provide the necessary air ventilation space above the insulation. Kraft Faced Perm Rating 1

  Insulation, Rafter

Guidelines for asphalt shingle roofing

rafters must have cross ventilation for each separate space by ventilating openings protected against the entrance of rain or snow. Ventilating openings must be provided with corrosion-resistant wire cloth screening, hardware cloth mesh, or similar material with 1/16 inch minimum to 1/4 inch maximum openings. Roof slope determination

  Rafter

BUILDING CONSTRUCTION AND OCCUPANCY TYPES - Fire …

introduction to fire inspection principles and practices . building construction and occupancy types . terminal objectives. the students will be able to: