When purchasing timber, the buyer usually faces the problem of recalculation. Quite often, wood is sold in cubic meters, the price is set for the same unit of measurement, and in the instructions for the manufacture of different products, the amount of materials is usually indicated in linear meters. If you do not want to overpay for lumber, learn how to count correctly.
It is necessary
- - measuring tool;
- - price list for sawn timber;
- - cubature.
Instructions
Step 1
Determine what type of lumber you need. They are counted in different ways. The cost is also influenced by some other factors - the type of wood, the degree of processing (the board can be edged or unedged), grade, length. Short planks are cheaper than long planks. Lumber has its own standards, and it is very useful to familiarize yourself with them before purchasing. Feel free to ask the store for a price list.
Step 2
One of the types of wood that gardeners and truck farmers often need is the croaker. In the store, it must be sorted according to length. One group includes a business croaker over 2 m long, the other - shorter than this length.
Step 3
Stack the slab. Fold it so that the butt of the other is adjacent to the thick part of one trunk on both sides. In this case, the boards are stacked in pairs, touching flat parts. Convex surfaces "look" up and down. The stack must be very tight and have right angles.
Step 4
Measure the length, width and height of the stack. For lumber, there are two types of cubic meters - fold and dense. Dense is, for example, a cube made from a whole piece of wood. In this way, for example, the volume of smooth boards can be measured. In the case of a croaker, you are dealing with a foldable cubic meter.
Step 5
The ratio of the amount of lumber in stacked and solid cubic meters is very important for calculating the cost. So that the buyer does not have to overpay for a fold meter as for a tight one, special conversion factors have been set, which range from 0.43 for an unbarked long slab to 0.56 for a debarked short one.
Step 6
The volumes of all other lumber can be determined by direct measurements of each board or each log. If the boards are stacked in a tight rectangular pile, you can measure its length, width and height. By multiplying these parameters, you get the volume. For logs, the important parameters are its length and saw cut diameter. The sawn trunk with some degree of approximation can be mistaken for a cylinder. The upper end is taken as the base. Some features have the calculation of the volume of unedged boards. The arithmetic mean of both layers (that is, flat surfaces) is taken as the width.
