After the completion of construction work, the rough finishing of the house has flat surfaces that need a certain facing.
Bearing walls are usually made of concrete, aerated concrete blocks or bricks.
The masonry itself has a rough structure and is not suitable for decorative coatings. The same can be said for subfloors, which also need leveling.
Rough finishing of walls made of blocks or bricks is their plastering.
The floor finish is concrete screed . The use of these technologies allows you to make the surfaces of the walls and floor as flat as possible.
Where to start? At this stage, many people have a question about rough finishing of the house.
Below we will consider this issue in detail.
Walls are usually covered with cement-sand mixtures using a special tool.
Before starting work on rough finishing, it is important to take into account the requirements of SNiP, and therefore - to get acquainted in advance with certain chapters of this document.
The main part of finishing work is plastering ( machine or manual ) and it is performed, strictly in accordance with the finished project.
Before starting plastering the walls, a set of preliminary measures is carried out.
Install windows and doors in the room.
It is important to take into account that there should be no sudden temperature fluctuations in rooms with rough work in progress.
Places of contact of windows and balcony blocks with walls must be carefully sealed from external influences.
Before plastering, you need to thoroughly clean the wall surfaces from various stains and old whitewash.
You also need to remove peeling previous facing materials, remove small debris and dust.
The final result of rough finishing in a private house depends on the used repair compounds .
Plaster mixes may include the following components:
Of all the listed binders, gypsum and Portland cement are more widespread.
To prepare a good solution , dry components are thoroughly mixed in the right proportion, and then diluted with water and mixed again.
Instructions for the preparation of plaster mixes are provided by a special technological map.
Portland cement is a finishing material that, after hardening, has high mechanical strength. Its properties depend on the brand, which are indicated by a three-digit number.
In construction, cements of grades 400, 500 and 600 are used with a setting time of about 15 minutes. The final hardening of the cement occurs within 30 days.
In plaster mixes, quarry sand is used as a filler. What can not be said about the rough finish. Here coarse or medium-grained sand, medium fraction, is suitable.
Today, there are ready-made building mixtures on sale, compiled in certain proportions.
Before adding sand to the solution, it must be well sieved through a special metal mesh.
This is necessary to exclude various debris and foreign inclusions.
Rough finishing of a wooden house is carried out by qualified builders. If you decide to do your own plastering of the walls in the house, then you will need the following tools.
The sequence of rough finishing works is as follows:
Minor defects in the plastering process can be corrected with a spatula and trowel.
After completion of the work, it takes some time for the plaster to harden. The mineralization time of the plaster composition is four weeks, only after that you can proceed to the finishing.
It is very important during the drying process of the mixture to maintain a constant temperature in the room and to exclude the appearance of drafts.
Floors in modern construction are made of reinforced concrete slabs . Therefore, their surface is far from ideal and requires a certain leveling with a concrete screed.
With minimal skills, you can easily do this work with your own hands without involving workers. For accuracy, beacons made from a special profile are used.
When installing beacons perpendicular to them from one wall to another, pull the cords in 1 meter increments.
This will help you to quickly align the staffs and get as close to the horizontal plane as possible.
The fixing of the beacons in a certain position is carried out using plaster mortar. This compound sets quickly and holds the staff well in the correct position.
The rough finish of a country house serves as the basis for decorative coatings only if it is done in compliance with all technologies and high-quality building materials were used. You can do the bulk of the work on plastering walls or pouring a concrete screed on your own with even minimal skills.
In this article, we have analyzed in detail the technology of rough finishing of a frame house, we hope that our article will help you in construction and repair.
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