Roof truss - Factbites

Roof truss - Factbites
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Topic: Roof truss

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	Truss Terms
		A structural support, usually a wall that occurs at the top or bottom chord or between the end points of a roof or floor truss.
		: Detailed drawings of a roof truss or roof framing showing critical dimensions such as span, overhang, cantilever, slope, etc.
		A truss design where loading requirements, lumber species, sizes, grades and connector plate requirements are detailed and a certified engineer's seal is affixed.
	www.razortruss.com /trussterms.htm (1030 words)

	SECTION 05410
		Truss manufacturer is to inspect the roof and/or floor trusses after the installation is complete and issue a written report indicating whether the trusses were installed per Part 3 ‘Execution’.
		Submit detailed floor truss and roof truss layouts.
		Provide manufacturer's standard steel truss members, bracing, bridging, blocking, reinforcements, fasteners and accessories with each type of steel framing required, as recommended by the manufacturer for the applications indicated and as needed to provide a complete light gauge cold-formed steel truss package.
	www.superior-truss.com /Spec05410.htm (2011 words)

	Technorati Tag: truss
		Steel Roof Truss Design Place Find out the latest in steel roof truss design information
		Custom Truss Systems Eide offers custom metal truss frame fabrication specializing in complex and difficult commercial, government and prototype design projects regardless of job size or scope of work.
		Stage and Concert Truss Heavy duty box and triangle truss - great for stage, concert or church.
	www.technorati.com /tag/truss (455 words)

	Roof Truss Bracing
		Temporary bracing is used during the erection of roof trusses to prevent the trusses from bucking and falling over during the erection process.
		A roof truss is made of several pieces of wood that are joined together.
		Truss bracing can be broken down into three categories; temporary bracing, permanent bracing of individual truss members, and permanent bracing for the overall stability of the structure.
	www.statefarm.com /consumer/vhouse/articles/rooftrus.htm (1231 words)

	The Bollman Truss
		Although this truss shares the disadvantages of the Bollman Truss as a bridge, it is a very good roof truss, and is still in common use.
		The Baltimore and Ohio and the Bollman Truss
		The term suspension truss is used for this kind of bridge, but it must be kept in mind that its action is very different from that of a truss bridge, though it appears very similar to the casual observer.
	www.du.edu /~jcalvert/tech/bolltrus.htm (3279 words)

	Science Project
		A truss is a structure used like a beam, in roof or bridge building.
		Truss bridges are used to span long distances; for example the Astoria Bridge which has a 1232-foot span and is the longest continuous truss bridge has 3 or more supports, or piers.
		One example of a truss bridge is the Lendenthals Sciotoville Bridge that crosses the Ohio River and has a truss of 1550 feet long with two long spans of 775 feet each.
	www.selah.k12.wa.us /SOAR/SciProj2000/AaronJ.html (1686 words)

	Retrofit - Roof
		Using a caulking gun, apply a 1/4 inch bead of wood adhesive along the intersection of the roof deck and the roof support element (rafter or truss chord) on both sides.
		At places where you have limited access, such as where the roof meets exterior walls, use quarter round pieces of wood approximately two to three feet long and apply the adhesive along the two adjacent sides of the block.
		Be sure to cement all the tabs throughout the roof, being careful not to bend them farther than necessary when applying the adhesive.
	www.nhc.noaa.gov /HAW2/english/retrofit/roof.shtml (703 words)

	Official Site of Raney Truss
		Since 1992, Raney Truss has been manufacturing wood floor and roof truss systems.
		Raney Truss is one of the leading producers in the United States of light gauge steel trusses utilizing Alpine TruSteel.
		In 1997, we began producing light gauge steel truss systems, expanding again in 1999 to include timber trusses, laminated trusses, and laminated arches.
	raneytruss.com (174 words)

	Welcome To The Truss Plate Institute
		These include fire research and testing, ceiling-floor partition separation, and truss-floor/roof composite research to name but a few.
		TPI's truss design and construction standards are developed in accordance with recognized consensus procedures promulgated by the American National Standards Institute.
		is the latest voluntary truss design criteria for the metal plate connected wood truss industry.
	www.tpinst.org (369 words)

	Truss Engineering Corp.
		Founded in 1961, Truss Engineering Corporation is the leading manufacturer of wood roof and floor trusses in the western and southern New England regions.
		In recent years, Truss Engineering has been able to meet the increasingly more complicated design demands of our lumber dealer customers and their customers, construction contractors and architects.
		Truss Engineering has earned a reputation, backed-up by independent industry inspection, of making the highest quality products available on the market.
	www.trussec.com (143 words)

	Evergreen Truss & Supply - Truss Systems
		When you consider that there are about 80 trusses incorporating 30-40 different shapes in the average house, you realize that the truss industry really couldn’t exist until the advent of the personal computer.
		Indeed, the truss system most often is the only truly custom designed, engineered and fabricated structural component of a house or light commercial building.
		Evergreen Truss and Supply is a long-time member of both WTCA and TPI.
	www.e-truss.net /trusssystems.html (405 words)

	Flat Truss - Flat Trusses
		Experienced flat truss design and truss fabrication teams, in your area, can assist in designing the appropriate roof or floor system for your needs.
		Flat Truss systems and trusses are throughout low rise structures being built in the U. today.
		Flat Truss Fabrication, Flat Floor Truss Fabrication and Truss-Frame Fabrication provide a flexible dimension to the Design, Economy, Safety and Environmental Compatibility of houses and light commercial buildings all over the world.
	www.flattruss.com (254 words)

	Structural Systems - End Truss Calculations
		- Find the proper size of a truss at the end of a roof:
		Start with the "SPAN of the Truss" and look down the table for the "Load" that is equal to or slightly larger than the TOTAL WEIGHT.
		There are two figures for each truss size; the upper number is Max.
	www4.district125.k12.il.us /Faculty/djohanns/TechEdHomePage/SGStructCalcs/SGStructCalcExtTruss.html (283 words)

	Desert Truss
		Our staff of Estimator/Designers handle all types of metal plate connected wood trusses from small applications such as sheds, garages and room additions to very large and complex roof systems used in the construction of custom homes and commercial, retail and multi family dwellings.
		Just bring in your blue prints and one of our friendly staff members will be happy to assist you with your truss project.
		Building Trusses in the Phoenix area since 1994
	www.deserttruss.com (223 words)

	Deco Truss - Trusses and Building Supplies
		Deco Truss is locally owned and operated, and since 1983 has established a reputation for excellence in supplying roof and floor trusses to South Florida and international destinations.
		Striving, maintaining the highest standards, looking after the smallest detail and going the extra mile is what sets deco Truss apart from the others.
		Going beyond the call of duty, more than others expect, this is what Deco Truss is all about.
	www.decotruss.com (139 words)

	Simpson Strong-Tie VTC2 Valley Truss Clip
		Attach through the roof sheathing to the common truss top chord.
		VTC2 is a valley truss to common truss connector.
		The dome nail holes assist in installing the common truss fasteners slanted at an angle approximately 55° from the horizontal level line.
	www.strongtie.com /products/connectors/VTC2_PT.html (308 words)

	New York State Covered Bridges - Truss Diagrams
		Under building, in the Webster's Unabridged dictionary, a truss is defined as follows: a framework of wood, metal or both for supporting a roof, bridge etc.
		Stringers span longitudinally, parallel to the trusses spanning the floorbeams.
		A king post truss is the simplest form of a truss bridge.
	www.coveredbridgesite.com /ny/truss.html (482 words)

	truss.htm
		Trusses have a high strength to weight ratio and consequently are used in many structures, from bridges, to roof supports, to space stations.
		Trusses are composed of straight members connected at their ends by hinged connections to form a stable configuration.
		When loads are applied to a truss only at the joints, forces are transmitted only in the direction of each of its members.
	www.jhu.edu /~virtlab/bridge/truss.htm (319 words)

	Overview of Tron Kirk
		A peculiar mixture of Gothic and Palladian architectural styles, the church features a fine hammerbeam roof of an unusual latticed truss construction.
		The fine stone multi-storey buildings, with slate roofs, has been demolished to make way for the church in 1635.
		A well-known landmark and Grade 'A' listed building, it was built between 1636-47 by John Mylne.
	www.geo.ed.ac.uk /scotgaz/features/featurefirst3887.html (319 words)

	DuPont Laminated Glass News, Issue No. 20, 2002
		The Kimmel Center's roof is based on a column-free, self-supporting, 53 meter Vierendeel truss to arch across the span, and on folded glass plate action to create longitudinal stiffness.
		Don McCann of glass fabricator Viracon said: "Aside from safety and strength, three main reasons for using laminated glass for the barrel roof were solar control, aesthetic appearance and cost efficiency.
		He explained: "The geometric shapes we selected for the roofs were calculated using computer aided design (CAD) to reduce solar build up.
	www.dupont.com /safetyglass/lgn/stories/0201_all.html (319 words)

	Woodwork Forums - load-bearing walls
		If I was building a house with a truss roof I'ld tie the walls to the roof even though it's only for rigidity.
		Seriously though, if it's a truss roof, there shouldn't be any timber connecting the walls to the trusses, cause they are s'posed to span from wall to wall and not touch any other walls on the way through.
		From the plans, it appears that the walls are not load bearing, but when I get up in the roof cavity, there is an awfully large number of struts between the roof beams/joists and the actual timber frame of the roof.
	www.woodworkforums.ubeaut.com.au /showthread.php?t=6641 (319 words)

	GIANT® Center • Hershey, PA
		THE GIANT CENTER TAKES SHAPE IN HERSHEY, PA Hershey, PA – The new state-of-the-art GIANT Center is starting to take form with its first roof truss being placed July 20; a total of 23 roof trusses will be used in the construction.
		The two roof truss halves are then connected in the middle where they meet.
		The roof trusses are made of steel and are 280 feet in length.
	www.hersheypa.com /events/giant_center/news/08-01-01.html (194 words)

	Alpine Engineering and Architectural Information Alpine Engineered Products
		Listed below is our most frequently requested Alpine engineering and architectural information on wood truss including roof truss, and floor truss, steel truss, truss connector plate, and FR-system products used by Industry Professionals.
		Engineering and Architectural Info - Truss Design Software Support - Employment Opportunities - Industry Resources
		Training consists of basic layout input from realistic architectural plans.
	www.alpeng.com /engineering_architectural_info.html (273 words)

	Radiant Barriers: A Question and Answer Primer (FSEC-EN-15)
		Attach the radiant barrier to the roof deck or truss chords after the roof decking is installed, but prior to the installation of the ceiling drywall.
		The most effective way to install a radiant barrier in an existing attic is simply to staple the foil material to the underside of the top chord of the roof trusses or to the underside of the roof decking.
		A radiant barrier is a layer of aluminum placed in an airspace to block radiant heat transfer between a heat-radiating surface (such as a hot roof) and a heat-absorbing surface (such as conventional attic insulation).
	www.fsec.ucf.edu /pubs/energynotes/en-15.htm (4256 words)

	Radiant Barriers: A Question and Answer Primer (FSEC-EN-15)
		Attach the radiant barrier to the roof deck or truss chords after the roof decking is installed, but prior to the installation of the ceiling drywall.
		The most effective way to install a radiant barrier in an existing attic is simply to staple the foil material to the underside of the top chord of the roof trusses or to the underside of the roof decking.
		A radiant barrier is a layer of aluminum placed in an airspace to block radiant heat transfer between a heat-radiating surface (such as a hot roof) and a heat-absorbing surface (such as conventional attic insulation).
	www.fsec.ucf.edu /pubs/energynotes/en-15.htm (4256 words)

	Alpine Engineered Products Design, Software, Engineering, Fabrication and Equipment for the Building Component Industry
		Alpine Engineered Products is a leading worldwide supplier of technology-driven products and services for the building component industry including wood truss, floor truss, roof truss and steel truss design, engineering and fabrication as well as truss connectors and hangers and fire resistant systems.
		Alpine is proud to be ISO 9001:2000 certified "company-wide." The certification is a symbol of quality that is recognized and respected throughout the world.
		Alpine Structural Consultants provide engineering analyses and designs for low-rise structures.
	www.alpeng.com (4256 words)

	WOOD
		In a residential home, the roofing system can be divided into three main categories: the truss system, roof sheathing, and exterior roof cover.
		The traditional method of truss framing involved the use of various rafters, such as valley rafters, cripple rafters, and hip and valley-jack rafters, and ridges.
		This was a cumbersome task since the lumber had to be cut in place according to close tolerances if the roof was to be even.
	www.bcee.concordia.ca /programs/Student_Projects/Laval/wood.htm (1296 words)

	November 14, 2000
		Currently, light gauge steel roof trusses are unlikely to be used for residential construction in the northeast U.S. Common applications are for hotels, schools, Alzheimer wings of assisted care facilities, retail and are commonly driven by insurance costs.
		Light gauge steel members in roof trusses are color coded and engraved to indicate gauge of steel.
		Wood Structures steel roof trusses are limited to 2-ply girder trusses, which often substitute for 3-ply wood girder trusses.
	www.senh.org /minutes/nov2000.htm (1163 words)

	Pymble Ladies College - New Physical Education Centre
		This continuous truss, supporting the metal roof horizontally then slopes down to hold the glazed roof and eventually turns into a vertical truss supported at the footings.
		The final structural solution used in the PLC Physical Education Centre is a wide span truss over the gymnasium which cantilever over the spectator stand.
		What was considered, were minor things such as the implementation of tubular steel and the exploration of load paths if the connections were to be fixed instead of pinned.
	www.arch.usyd.edu.au /kcdc/caut/html/PLCPEC/front.htm (655 words)

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Topic: Roof truss

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In the News (Tue 29 Dec 09)