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This 2 page Class Notes was uploaded by Leola Gutmann I on Friday October 23, 2015. The Class Notes belongs to TA 240 at University of Louisville taught by Garry Brown in Fall. Since its upload, it has received 31 views. For similar materials see /class/228348/ta-240-university-of-louisville in Theater Arts at University of Louisville.
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Date Created: 10/23/15
September 17 2009 Materials Most of our scenery is wood Choose material based on what you need the scenery to do Lightweight strong portable Workability Risks that come with materials OSHA Cost Lumber we use wood in 2 ways structuralframing and covering Structural Materials Wood Hard wood vs soft wood Hardwood oak walnut cherry etc used mostly for furniture pretty eXpensive heavy hard to work with Soft wood looser grained pine white pine is softer than yellow pine white pine inexpensive lightweight poplar firs TreX composite materialcombination of reclaimed wood and plastic expensive Lumber vs plywood Lumbersolid piece of wood cut from one piece of the tree Plywood layers of wood skimmed off of the tree glued and pressed together grains alternate Real world uses 2 X 4 We use 1 X 1 X refers to the thickness of the wood 1 X 12 actually only 3A thick and 11 1A wide Nominal measurement measurement of wood before it s milled 1 X 12 is the nominal measurement 2 X is 1 12 thick Here framing ats is 1 X 3 true and 1 X 5 true for platforms 1 X 6 is 3A X 5 12 After 1 X 6 everything is 3A shorter than the nominal measurement True dimension actually 3 inches wide Generally the wider the board the higher the quality but more eXpensive Lumber yard charges by foot Standard maXimum length is 16 2 X 4 for strength but too heavy for us Only use when we need the eXtra strength we use 2 X 4 for legs if necessary we can use it to frame platforms especially if it has to go unsupported over a span like a balcony or an overhang or cantilever Lumber comes in different grades or qualities Select grade and common grade Select gradeappearance is important Common grades structural Numbered 1 highest closer to heart wood straight fewer knots pay attention to cupping of board board is stronger on edge plywood is stronger at but weak on edge 3 ply for covering for platforms 1A ply for comer blocks and keystones Plywood comes in 4X8 sheets doesn t play well with water Glue holds everything together Plywood comes in various grades based on the quality of the outside surface and structural defects Voids knots in the sheets of the plywood on the inside Furniture plywood hardwood plywood Construction grade grades on both sides we use BC grade Xexterior grade Abest B not super smooth 0 Dicky Lauan usually 1A used to cover ats and or platforms very thin veneer of wood on front and back and in between are wood byproducts no strength lightweight cheap good covering material
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