Caribbean pine the wood database lumber identification. The weight of the lumber is automatically returned in pounds. There are charts showing the weight of specific woods per board foot. Leaving the board footage value at the default will produce a resulting weight in pounds per board feet. Although not technically a southern yellow pine, caribbean pine is closely related to other pine species found in southeastern united states which are commonly grouped as southern yellow pine, such as longleaf, shortleaf, loblolly, and slash pine. Calculate the weight of lumber and hardwood given the size of the boards or the volume of wood in.
Estimating weight of logs and standing timber ut extension. Pine, loblolly pine, longleaf pine, shortleaf 53 55 52 36 41 36 pine, sugar 52 25. The table provides the weight of lumber produced from three commonly used tree species. The following table provides the approximate weight per linear foot of the. Typical weights for green, kiln dried and pressure treated lumber boards are indicated in the tables below. Allowable total and live plf pounds per lineal foot. The two charts below provide poundpersquare foot weights for a variety of rough lumber species and structural panels including plywood, mdf, particle board and melamine. Around 85% of the pressuretreated wood in the us is made from southern yellow pine.
To find the average dry weight per board foot, divide the pounds per cubic foot by 12. Maximum total load in pounds per lineal foot plf with deflection limited to 240 ll. Log weight also can be estimated indirectly by converting a board foot measurement to tons. For this example, say you want to know the weight of southern yellow pine, with a specific gravity of 0. Wood varies considerably in weight per constant volume density on a regional level and at the local level. For plywood, learn how to estimate the weight of plywood panels. Table 1 lumber species, board foot weight popular construction grade sizes. For example, a 12 foot log, 12 inches in diameter at the small end has 48 bf in it.
Landowners guide to determining weight and value of. A green log weight chart shall be available to the crew. For example, if the 8x8 was cca treated to marine spec, you would add another 2. Department of the interior, national park service sheet rope, knots and climbing. Note that nominal dimensions are not the same as actual lumber dimensions. Weights of various woods grown in the united states. That is, the weight of a piece of wood from one area or tree will differ from the same species in the another area. You then look at the grade rules to determine the grade of the log.
Species green airdry alder, red 46 28 ash, black 52 34. Then the market value for weight is used to determine the price to offer for the standing timber. A 4by12inch board that is 16 feet long weighs 224 pounds. Utility poles pole type comparison chart truck load calculator request a quote. The weight can be converted to an equivalent board foot or cord volume if desired. Where the board is cut from the tree is another factor, the heartwood. If you have any questions regarding the methodology used in woodweb s lumber weight calculator, we suggest that you post your question at our. As well knowing the weight of lumber can be important if you are planning on transporting a load of lumber from the lumber yard to your home, as shown in figure 1. The chips from the 5 cubic foot log have the following weight distribution. If southern pine is too dark for you, then consider our white pine option.
They grow abundantly throughout the southern states. Lumber and hardwood weight calculator inch calculator. Chips, sawdust, planer shavings, bark, and hog fuel previous chapters have presented material balances that can be used to estimate the fraction. Allowable floor loads key for each clear opening there are three rows of values. If the weight of the same lumber at a different moisture content is desired, use the following formula. The density and weight of lumber varies with the water or moisture content in the wood. What does one board foot of southern yellow pine weigh. Apply the board foot correction factor, cf, from equation 2, to arrive at the weight, in pounds, per bf of lumber, corrected for scaling errors and moisture content. Weights of green, kiln dried and pressure treated lumber boards. The weight of logs and the conversion of board foot to tons are subject to much uncertainty because many variables can affect the weight of logs and the accuracy of board foot scales table 4. Louisiana state university lsu digital commons lsu agricultural experiment station reports lsu agcenter 1968 converting factors for southern pine products.
The southern yellow pines weight varies between 32 lbs. Knowing the weight of lumber or wood can come in handy if you are doing load calculations for a floor or deck. Pine, loblolly pine, longleaf pine, shortleaf 53 55 52 36 41 36 pine, sugar 52 25 pine, western white 35 27 poplar, yellow 38 28 redwood 50 28 spruce, eastern 44 28 spruce, englemann 39 23 spruce, sitka 33 28. The following table provides the heaviest approximate weight per linear foot of pressuretreated lumber that you are likely to find. Look for kd in green or black ink on the lumbers markings to determine if its dried or green wood. Southern yellow pine syp consists of four major species. The weight of the treatment, if there is one, must be added on top of that, then must be adjusted for the size of the piece of wood.
Weightscale factors vary with log size, as larger logs usually produce higher product volumes per unit weight than do small logs. A 2by4inch lumber board that is 8 feet long has a weight of 17 pounds. Landowners guide to determining weight and value of standing. Knowing the weight of lumber or wood can come in handy if you are doing load.
Now, green wood can have moisture content anywhere from 30% denser woods to over 200% lighter woods. The following table provides the approximate weight per linear foot of the various sizes of. Both diyers and building professionals will like these garden and outdoor living ideas and plans. Wood moisture and compressive strength red spruce, longleaf pine and douglas fir. A tall, large diameter branch free white pine can be worth more than some tropical hardwoods. Part of the workshop companion, a collection of information on wood, woodwork, woodworking skills, woodworking materials, and woodworking plans that together form the core knowledge needed by woodworkers, furniture. Add in the weight of the treatment and adjust for the true size of the 8x8. The choices on the list are kiln dried pine, green oak, pressure treated above ground, and pressure treated below ground. Calculating the weight of lumber is a detailed article regarding the calculation of lumber weight. Landowners guide to determining weight and value of standing pine trees david w. Wood header and supported weight the weight that can be supported by a double or triple wood header wood screws withdrawal forces allowable withdrawal load force wood, panel and structural timber products mechanical properties density, fibre stress, compressive strength and modulus of elasticity of clear wood, panel and structural.
Find quality dimensional lumber online or in store. Convinced there had to be a better way, researchers from the forest products laboratory fpl investigated the use of remote sensing technologies to monitor the structural components of bridges and homes and transmit the findings to the internet cloud for interpretation. This product is thirdparty certified, signifying sourcing from renewable and environmentally managed forests. The following table provides the approximate weight per linear foot of the various sizes of dimensional, or structural, lumber used in building construction in north america. Also contains a discussion of the southern pine tree grading rules to aid in estimating the quality of standing trees. The average dry weight of each species is calculated at 8% moisture content. Add a lighter touch to your space with white pine beaded ceiling and walls. Raised floor homes look great and protect homeowners against risks from flooding and subsiding soils. The landowner has the problem of determining hisher.
The term basic density is sometimes used to refer to the ovendry weight per cubic foot i. Board feet chart and calculator board feet volume measurement of lumber. Average weights, treated long leaf yellow pine poles. Any inches entered will not be considered in the calculation. There are a few different subspecies of southern yellow pine, with different wood densities. Sitka spruce, douglas fir, and southern yellow pine. For wood, density is expressed as pounds per cubic foot, kilograms per cubic meter, or grams per cubic centimeter at a specified moisture content.
Log weight table and mbf conversion factors for southern pine. The weight of pressuretreated lumber varies depending on the size of the boards. Density is the single most important indicator of strength in wood. Southern pine pulpwood production has increased in almost every year since the early 1930s. Some companies use standard weightscale factors for pricing, and some develop their own factors based on their product mix. The chart with log prices should be read as price per bf. Densities for various wood species measured in kilograms per cubic meter and pounds per cubic foot.
The most commonly referenced heaviest wood, lignum vitae guaiacum officinale, has a specific gravity of 1. Machinerys handbook lists the density of southern yellow pine at from 5255 pounds per cubic foot green and 3641 pounds per cubic foot air dried. In a general sense, density is defined as mass per unit of volume. If you know the number of board feet replace the default value of with the known quantity, and the result will equal the actual weight for the number of board feet specified. In this table, the density of different species of wood is expressed as weight in pounds per cubic foot and kilograms per cubic meter. These trees were very dense and high in resign content. Chips, sawdust, planer shavings, bark, and hog fuel. For southern yellow pine by far the most common 2x4 in the u. Pine, lodgepole 39 29 pine, white 36 25 pine, norway 42 34 pine, ponderosa 45 28 pine, southern yellow. Density of wood spib blog southern pine inspection bureau. Using doyle with an average small end diameter of about 10 on 16 logs you will run about 10 tons per thousand, but this ratio will change a. Pulpmills using southern pine consumed 63 percent of the nations domestic roundwood pulpwood production in 1979. I have seen the charts but dont know where they are.
The wood is an orange to reddish brown in color, but all species are similar and difficult to differentiate. Heart pine is the old growth yellow pine once common in the american south and atlantic coast regions. Tree cubic foot volume tables southern pine planted loblolly volume tables per acre. What is the weight of southern yellow pine in pounds per. Austrian pine pinus nigra eastern white pine pinus strobus. The weight of pine, green oak, and pressure treated can vary greatly from board to board. Jan 17, 2016 southern yellow pine syp consists of four major species. New options mean your next deck may not even be real wood. If purlins are placed two foot on center, up the slope or run of the roof, the dead load attributed to the purlins can be determined by dividing the weight per lineal foot 1. The density or hardness of wood varies by species, and the value is necessary to approximate the weight of lumber by volume. Maximum live load in pounds per lineal foot plf with deflection limited to 360 bl. Lighter in color and weight than southern pine 16 lengths. Calculating the green weight of wood species penn state extension. Local 3364499627 or toll free 18884457335 all prices given are for rough lumber.
1101 363 114 907 709 791 323 971 263 122 482 494 1470 1317 1260 1403 1131 1548 1248 551 836 285 290 1291 1362 8 459 1045 682 601 1029 60 887 735 1012 1136 107 449 650 442 752 905 1242