Wood Beam Sizes

Our heavy timber beams are cut to standard dimensions.

Wood beam sizes.

These tables are provided as a guideline. The lengths and sizes of joists vary depending on the species and quality of the lumber used. Numbers in blue are joist spans beam to beam or house to beam. The full table shows more lumber sizes.

Mechanical tolerance variations of lumber. Per wwpa guidelines for standard dimension timbers a nominal 4 x6 timber nets to 3 x5 actual dimensions after it has been sawn all beams larger than 8 inch will mill to the inch. A 2 2x10 can span 10 feet and so on. Size selection tables.

Aitc beam capacity tables. Beams of more than one ply must be fastened together with either nails or bolts. Dimension lumber can be purchased as dry or. For example you can span a 1 grade no knots southern yellow pine a greater distance than a 2 grade with knots southern yellow pine.

Dimensional lumber deck beam span chart. Glulam beams design of fire resistive exposed wood glulam sizes chart cgmln numeric parameters wood frame fibergl reinforced glulam beamsglulam beamscan ered lumber be in deck framing professional builderapa beam calculatorglulam beamsglulam. The 2012 irc code calls for a minimum of a 32 o c. All data is in imperial units inches.

Table specifications are provided with each table indicating conditions and assumptions used to calculate the loads. Referenced dimensions are nominal and used for design purposes. Staggered pattern with at least a 3 x 120 nail. Voluntary product standard ps 20 05 american softwood lumber standard.

The following data is standard reference and size data for commercially available lumber within the usa. The 1 grade material is more expensive than the 2 grade but if you can use fewer or. This span table excerpt shows two possible sizes of built up floor beams 2 x 10 and 2 x 12. Aitc capacity tables provide the uniformly distributed load that a glued laminated timber beam can support based on beam size span and material properties.

This table is simply a sample and may not be valid for your region. Wood beam calculator. There are several beam span tables for all the species of wood. Commercial lumber sizes chart table.

A double 2x12 beam can span 12 feet. Sample floor beam span table. Not all products are available at all distribution centers. A 8x12 beam will net an overall 7 x 11.

Headers beams. Both diyers and building professionals will like these garden and outdoor living ideas and plans. Raised floor homes look great and protect homeowners against risks from flooding and subsiding soils. We have learned from our experience to use at least a 3 1 4 x 131 groove shank nail in a column of four every foot apart down the laminate.

The numbers in gray indicate the distance between the support posts.