Wood Framing F 09

Light Wood Frame Construction Framing Methods Floor Systems Wall Systems Roof Systems Wood Terms IBC - Type 5 Construction Professor Richard Luxenburg, AIA Anne Arundel Community College Department of Architecture and Interior Design Fall 2009

[object Object],[object Object],[object Object],[object Object],[object Object],LWF (light wood framing) is Not Heavy Timber Heavy Timber is:

Light Wood Frame Construction………………………….(like a light balloon!) http:// www.canforcentre.com/system.html

Light Wood Frame Floor Systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Heavy Timber section of a light wood framed (LWF) house.

House-wrap (Dupont Tyvek) over panelled sheating. Explain why! Moisture/air infiltration. http://www.tyvek.com/whatistyvek.htm http://www2.dupont.com/Tyvek_Construction/en_US/products/residential/products/thermawrap.html

Project No. 1 Here’s a project you’re going to have to do this semester! So pay attention! That’s a student’s bass wood ( not balsa wood) model!

Wall Systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Framing Methods ,[object Object],[object Object],Studs continue from foundation to roof Platform Balloon Framing

Framing Methods - Balloon Frame

Framing Method - Platform Framing

Wood Terms ,[object Object],Rafter: sloping framing member for the roof Stud: vertical framing member ,[object Object],[object Object],“ Stick built ”– not using pre-fab trusses (like the next slide) but instead using individual 2x rafters ceiling joist floor joist stud rafter

re - Engineered lumber Glulam (Glued Laminated Timber) I-joist LVL (Laminated Veneer Lumber) OSB (Oriented Strand Board) Plywood Rim Board Siding Specialty Wood Products

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Engineered Wood & Lumber – not found nature

[object Object],[object Object],[object Object],sill header cripple/jacks sill cripple/jacks stud jack stud bottom plate top plate

[object Object],[object Object],[object Object],[object Object],stud bottom plate top plate

Wood Terms ,[object Object],[object Object],[object Object],blocking

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],blocking bridging

[object Object],[object Object],[object Object],[object Object],http://www.rd.com/content/openContent.do?contentId=17535&pageIndex=1 http://www.canply.org/english/products/manufacturing/manufacture.htm http://www.afrc.uamont.edu/pattersond/Coursework/Undergrad/plywood.htm http://www.apawood.org/level_b.cfm?content=prd_main

http://www.ainsworth.ca/pdf/products/ans_osb06.05.pdf

The true measurement of a 2x4 is actually about 1.5x3.5. When the board is first rough sawn from the log, it is a true 2x4, but the drying process and planing of the board reduce it to the finished 1.5x3.5 size. The lumber is then sold as a "2x4" because the cost of the drying and machining are figured in ... it is also much easier to refer to a board as a "2x4", rather than a "1.5x3.5".

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Floor Systems - Floor Projections

Floor Systems - Floor Openings

Floor Systems - Partition Connections Partition parallel to joists Partition perpendicular to joists

Floor Systems - Partition Connections Partition perpendicular to joists Partition parallel to joists

Wall Systems Corners & Partition Intersections

Wall Systems Door & Window Openings

Wall Systems - Wo od Stud Sheathing Studs @ 12” , 16” or 24” o.c.- Leaves Void spaces for insulation and space to run electrical and mechanical lines

Wood Framing F 09

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Wood Framing F 09