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How to assemble a door frame by yourself: step-by-step instructions, diagram and recommendations

When buying a new door, the buyer receives a far from complete construction for installation. She does not have a place to install the hinges, no locks are embedded. The buyer has an inevitable question - how to assemble the door frame.

You can use the services of professionals or mount the design yourself. To do this, you need to prepare tools and study the features of the technology.

Doors on the market are sold mainly in a box with a box, but sometimes they need to be selected to each other.

For the most part, new doors do not fit in old boxes either in size or in style. In this regard, it is required to completely change the previous design.

Choice of door frame material

Now the market is dominated by products with spectacular appearance and a small price, for example, MDF - a composite of compressed fibers.

How to assemble a MDF door frame so that it works as well as a wooden structure? The advantages of the new material are many, but here it is important to dwell on the shortcomings. Despite the great strength, the box can be deformed if the door leaf is heavy. In addition, in a moist environment, MDF panels can peel off, and swell, leading to a break in the geometry of the opening.

Despite the shortcomings, affordable cost, good mechanical properties and a wide range of MDF parts make them a priority even with premium-class doors.

Required Tools

Before assembling the door frame, first prepare the tools:

  • a hammer;
  • Set of chisels;
  • knife;
  • roulette;
  • Gon;
  • A hacksaw for metal or with small teeth;
  • Level with a plumb line;
  • Dowels, screws, loops;
  • The chair is a tool for cutting at certain angles;
  • Screwdrivers.

The work is greatly facilitated by the presence of electric tools: screwdriver, electric jigsaw, electric drill, perforator, router.

Preparing the doorway

It is important to choose the right door for the width of the opening, so that later there would be less work to fit. The minimum clearance should be at least 15 mm on each side.

Before installation, check the smoothness of the opening. It is measured in several places along the vertical and horizontal lines.

How to assemble the door frame of the interior door if the opening is too large? To do this, around the perimeter, the required widths are packed, or the space is laid with a brick.

Other options are the glazing of the opening, the manufacture of a frame of wood or metal and its plasterboard plating.

Door frame components

The box is made of a bar and consists of fragments:

  • A cantilever beam and a vestibule;
  • Lintel (the upper beam);
  • threshold.

Thus, in order to assemble the door frame, (it is equipped with a threshold only for a heavy cloth, which is used primarily at the entrance to the apartment), it is required to correctly connect its component parts.

For interior doors thresholds are set rarely.

Ways to assemble the door frame

The assembly is done very carefully, so as not to damage the decorative coatings. Even one minor cleavage or scratch spoil the appearance of the structure.

To install doors in a box, loops are required. In interroom designs, two are sufficient, and for the input one a third is often installed.

The main difficulty in assembling the box is the correct execution of the blades and the connection of the horizontal bar to the vertical ones. Their profiled structure creates difficulties for beginners. The installer must fit all the elements accurately in size. Before assembling the door frame, you must select the mounting technology. The beam is fastened in several ways.

Studded joint

The most durable and reliable, but the most difficult is the stud joint. For this, grooves and ridges are made in the joints of the beams, by their thickness. Here you need a manual milling cutter and the ability to use it. The connection is made without fasteners, but many masters make additional reinforcement with galvanized nails.

It is not so important, on what details to make a groove or a thorn. In any case, a rigid connection is provided.

The milling cutter is a tool for professionals and it is not advisable to purchase it for installing even a few doors. When we assemble the door frame with our own hands, the most accessible way is to dock at an angle of 45 0 or 90 0 .

Assembly at a right angle can make even a beginner, if properly perform all operations.

How to assemble an interior door frame with a 45 0 joint

In places where the horizontal and vertical bars are connected, cuts are made. Preliminarily several measurements are made to avoid making mistakes in the calculations. Especially it is necessary to adjust the horizontal bar in order to correctly choose a gap of 3-4 mm and the width of the door. Racks can then be sawed from the bottom after the assembly of the box, as they are done with a margin in length. After the cut, the joined surfaces are leveled by a chisel.

The fastening of the beam is usually done by screws, at an angle of 45 ° . To prevent the wood from breaking, a hole is drilled into the holes, the diameter of which should be less than that of the core of the screw. The depth of drilling is made less than the length of the fasteners, so that the connection is reliable. At one joint, two screws are required on one side. You can add one more in the middle, on the other side of the corner.

How to assemble the door frame with a 90 0 joint

The way of assembly is best suited for beginners. First of all, the door leaf is matched to the rectangular shape. It is often observed that one of the sides is slightly different in size from the other. This deviation must be taken into account when sawing racks. Sections from the ends of the bar are also checked, which must be strictly at an angle of 90 ° . From the factory, blanks can come with an uneven cut.

The connection of the horizontal bar to the vertical bar is also made by screws.

Checking for correct connections

The check is made by placing the box on a flat horizontal surface and overlaying it on top of the door leaf. If it comes with a small gap, then the assembly is correct.

The lower ends of the racks are filed, as they must rest against the floor. Preliminary checks the horizontal nature of the floor covering in the doorway. Deviations should be considered when sawing racks.

Important! The blanks are cut from the veneer side to prevent it from peeling off.

Installing loops

Before installing the door, you need to choose the side where it will open. Depending on this, loops of a certain type - right or left - are selected. Cloth for fastening loops is chosen more massive, without defects and cracks. The place of their installation is marked at a distance of 15-25 cm from the door end. Canopies are separated into a large part for a box and a small one for a door leaf. Then, the loop is applied to the end of the door and is wound around with a pencil, and then with a knife. Similarly markup on the box. At the same time, the door leaf is attached to the box and the coincidence of the marks under the hinge is checked.

The edges of the door leaf and the hinges are combined, avoiding any distortion. Hinges should be facing towards opening the door. When marking, it is unacceptable to confuse the top and bottom of the door. It depends on this, how it will be installed after fastening the loops. If the door has glass, their location should also be taken into account.

Using a chisel and a hammer, the place for loops is cut to a depth of 3-5 mm so that they come in one level with the wooden surface. Seating seats for fittings are made with special care and accuracy. Then loops are applied, the self-tapping screws are marked and screwed. The labels must coincide with the centers of the holes, so as not to split the tree when screwing the fasteners. To prevent loosening of loops with self-tapping screws, pencil marks are additionally marked with an awl.

By applying the ruler, the correctness of the loop fit is checked. When vypiraniem the platform under it deepens, but not more than the required level. If the hinges are set correctly, the flaps should open 180 ° . The load on the door must not exceed the installed load. Usually it is 50 kg.

Installation of the box in the doorway

At the moments describing how to properly assemble the door frame, the work does not end. It still needs to be installed, so that the door can be opened and closed properly. To do this, the box is carefully installed in the opening and temporarily fixed with pieces of packing cardboard or polystyrene. The verticality of the loop bar is checked on the level. Then wooden wedges are cut.

They are installed under the hinges. In the upper corners, these parts are also clogged. To prevent the box from moving on opposite sides, two wedges are clogged, with sharp parts superimposed on each other. The positions of the sidewall and the lintels are checked by the level, since they can be dislodged by wedging. The box should be placed on a par with the room wall. Wedges should not protrude outward.

The questions of how to assemble and install the door frame, as well as the door leaf wiring are solved together, because everything is a single design.

The door box is attached to the wall on the dowels in the places where the hinges are planted. There are also wedges to prevent deformation of the beam. The feigned side has not yet been exposed.

To increase the stability of the exposed elements of the box, they need to be partially spaced. Surfaces are pre-cleaned and wetted with water, which increases the adhesion of foam by an order of magnitude.

The hinges are fastened to the door leaf, after which it is installed on the lining in the doorway. Then the door hinges are attached to the beam of the box: first from above, then from below.

The door is closed and a porch is set up with the wedges. When all the gaps are exposed, you should stop the box around the entire perimeter. In this case it is recommended to install spacers in it to prevent swelling of the parts.

Conclusion

If you have the necessary tools, you can install the doors yourself. For this, it is most important to understand how to assemble a door frame. If you correctly and consistently perform all the installation operations, everything will turn out.

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