I-BEAM
What is an I-BEAM?
I- beams are prefabricated wooden beams. The defining characteristic of an I- beam is its "I" shape---a long, thin OSB or plywood sheet runs between two thin, rectangular or square, laminated beams. The plywood "sheet" that runs between the small beams is called a web. The appearance of an I-joist resembles the letter I. I-joists are manufactured to standard dimensions or made-to-order. This type of beam is engineered to minimize production cost while maximizing load-bearing strength.

An I-beam is called such because of the shape of its cross section. You can easily build an I-beam by using timber. I-beams are not only more cost effective than normal beams, but they are also strong enough to serve the same purpose. You can use I-beams to create the support structure for floors and ceilings or use them to construct other handy tools like sawhorses. I-beams consist of one vertical section sandwiched between two horizontal sections. The horizontal sections, known as flanges, help to resist bending force, while the vertical piece, known as the web, resists shear force.
 
Structure
An I-joist comprises two main parts, the web and flange. The web is sandwiched between a top and bottom flange, creating the “I” shape. The flange can be made from laminated veneer lumber or solid wood finger-jointed together for ultimate strength. It is then grooved on one side to receive the web. The web is typically made from plywood, laminated veneer lumber, oriented strand board. After cutting the webs and flanges to the specified widths and lengths, they are assembled with water-resistant glue by pressing the web into the top and bottom flange. After initial assembly, the I-joist is then end-trimmed and allowed to cure in an oven, or at room temperature to approximately equal the moisture content. The sizes manufactured vary on the I-joists intended load and span.The intended use for an I-joist is for floor joists, wall studs and roof rafters in both residential and commercial construction.
 
 
 
Structural Characteristics:
Strength in Beams :
Wood I Beam joists resist shrinking and twisting and they deliver high dimensional stability with consistent depth, stiffness and strength characteristics. They are ideal for complex framing plans, and they often allow greater interior height because electrical conduit, plumbing and most HVAC can be passed through the web. Where designs call for premium floor or roof construction, heavy loads, or extended spans, Kalp-Exim I Beam joists are the answer. Lighter and easier to handle than ordinary lumber, Wood I Beam joists offer high strength and stiffness in lengths.
 
Pro No. Overall Width Web Width Web Thick Pannel Thick
H-16 160mm 65mm 35mm 25mm
H-20 200mm 80mm 40mm 25mm
 
Specifications:
Wood Species: pine
Flange: solid wood
Web: plywood or LVL
WBP resin
Coating with painting (yellow color, waterproof, rot-proof, frozen-proof )
Standard size: 200mm (height) X 80mm (width) X 40mm (flange thickness)
Length:1.8m, 2.9m, 3.0m, 3.3m, 3.9m, 4.9m, 5.9m
Thickness of Web: 22mm / 27mm / 28mm / 30mm ( special thickness available on request)
Plastic protective cap is available on request
 
Wood Vs Steel Beams :
1. Steel is more expensive than wood
2. A steel building is more likely to be struck by lightning than a wooden framed building…
3. Steel buildings are ugly and look different from other conventionally built buildings…
4. Steel buildings are hard to cool in the summer, hard to heat in the winter…
 
Although steel I-beams are common in commercial construction, they're not often seen in homes. Perhaps that is because wood is strong enough to fulfill most home construction needs. Although I-beams hold up a lot of weight over a long span, steel has that industrial look.Fortunately, there is an industry of faux wood beam products, so realistic that no one will ever know those are not hand-hewn or rough-cut structural timbers overhead.
 
Advantages of Wood ‘I’ Beam :
Performance Feature Advantage
Wide-flange joists More mass, less vibration, for a firmer-feeling floor; provides wider gluing and nailing surfaces that cut installation time
Dimensionally stable Quieter floors, minimal squeaks and stiffer floor performance for fewer callbacks
Wider spacing, fewer pieces to install Saves time, labor and materials cost
Can be field altered Easy to cut and install with no special tools required
More level floor system Helps prevent cracks in rigid floor materials such as marble, slate and tile
 
USES :
Decorative wood beams can be both functional and ornamental. They are most often located on the interior of a home, but could be found in exterior locations too. These beams come in various species and styles, both handcrafted and factory-produced. Decorative wood beams are used to beautify or alter the appearance of a room (or an area of it). . They are usually attached to the wall or ceiling by professionals, or you can get do-it-yourself kits if you want to try mounting them yourself. Exterior areas such as porches or garages are additional sites you can use them. Specially treated beams can be used for other outside locations I-beams are widely used in the construction industry and are available in a variety of standard sizes. Tables are available to allow easy selection of a suitable steel I-beam size for a given applied load. I-beams may be used both as beams and as columns. I-beams may be used both on their own, or acting compositely with another material, typically concrete.
 
 
 
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