For the device of floors it is possible to use various methods and materials. The most popular are flooring on logs, which can be made on any basis, including for floors on the ground. The main element of the design are wooden logs, they are stacked in a certain order. A heat insulator is mounted between the lags, communications can be laid. Then the top plating is sewn up. Plywood, chipboard, OSB, usual wooden boards which often act as a floor covering are usually used.
The floor on the logs is one of the most popular. The basis of this floor are wooden bars of a certain size.
Installing the floor lag can be done by various methods, it all depends on the need to level the surface, on other installation conditions. When laying it is necessary to follow exactly all the steps, the wood must first be treated with antiseptic and fire retardant to provide protection from insects and fire.
The floor on the lags has certain advantages over other structures. It turns out not only durable, but also warm. This floor allows you to level the surface, arrange a quality flooring for soil foundations in private homes. Among the advantages it should be noted:
Lags provide the minimum load on the foundation.
Construction of wooden floor along the logs.
During installation, you need to correctly determine which direction the logs will stand. To install the lag of the subfloor there are rules. Finishing decking is always performed parallel to natural light, and logs should go in the opposite direction . It should be foreseen in advance so that later you don’t have to correct everything.
If the laying of the floor is planned for rooms with a large passage intensity, then lags need to be laid in the direction of travel in order to strengthen the structure and prevent its loosening. It is important to immediately foresee how the floorboards will go, how the cladding plates will go if plywood is used. All fasteners of the finished floor should fall on the logs themselves in order for the flooring to be durable.
The scheme of fastening the lag to the concrete base.
To fix the lags to the base, various methods can be used. Previously, nails of the required size were used for this, but this method is not the best and durable, such fasteners quickly fail. Today, the best method is to use galvanized metal corners and dowels.
Lag mounting instructions:
Lag docking options: end-to-end and grip ends on wood floor.
Instead of corners, you can use a special mount in the form of a U-shaped part. It provides a strong fixation, especially if the bars have to be increased. This method is applicable for large rooms where additional fasteners are required.
The lag joints themselves can be arranged in this way:
If it is necessary to reinforce the docking, nails are used and the fastener is sewn.
Additionally, you can use pieces of lumber that can be about 1 m in length. If the bars are mounted in a run, then a step of 50 cm or more must be observed between the connection points.
Installing the floor on the lag is not as difficult as it may seem at first glance.They differ in the simplest design, they can be made for an apartment, a private house, a country cottage. Unlike concrete pouring, the weight of such a structure is less, but the floor is not inferior in strength.
To install the logs, you need to follow a fairly simple instruction:
A wooden floor plan on the logs on the ground.
The mounting scheme of fasteners to adjust the height of the lag.
If the floor is not so flat, then its height can be easily adjusted with lags. For this purpose, special fasteners are used that can withstand a significant load, up to about 5 tons for each 1 m². Adjusting elements can be made of metal or special plastic. These are threaded elements that can be given the necessary height. Lags are attached to such elements, the required height is set. The floor and wall markings are preliminarily determined, which determines the level of finishing coating.
Dowels are used for the concrete floor, and self-tapping screws are used for the wooden floor, which can withstand the necessary loads. After that, all surpluses are cut off. Lags are mounted at the required height, if required, the heat insulator is filled up so that the floor is more comfortable and the microclimate is more pleasant. Plywood or chipboard is laid on top, after which you can begin to install the floor covering.
Lagging floors are a sturdy and reliable structure that allows leveling the surface. Making such a floor with your own hands is easy, there are many options, among which you can choose the right one. For work, only boards for the manufacture of log, heat insulator and sheets of plywood or chipboard for finishing plating are needed.
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