If boards with a thickness of 27 mm are used for the floor, then the lags in this case should be laid at a distance of not more than 400 mm from each other, if the thickness of the boards is 35 mm, then the distance between the lags can be increased to 600 mm.
In order to correctly place all the lags, you must first make the whole markup. The first lags are laid near the walls. It is very important that the distance between the wall and the first beam should not exceed 20-30 mm. Between the two, all the other lags are mixed. The direction of the beams does not matter. In your free time, you can find out about Rich Bud’s services.
When installing the lag, it is necessary to check them in level, this is very important, since the flatness of the floor will depend on this. In order to check the evenness of all lags, it is best to use the rule and a level of at least 2 meters long.
The design of the lag system allows you to place thermal insulation material between them. This is especially popular for rooms located above the basements. When warming, it is also important to take care of the vapor barrier layer.
In the future, both the draft floor and the final. For the draft floor, you can use a chopping board, which will subsequently be blocked by the flooring.