How much do you want to paint for a wall? How does the exterior paint work?
For the construction of the house, the painting of the external wall is an indispensable step. Whether or not the exterior painting is in place affects the visual effect of the entire construction, so we will invite some professional personnel to carry out the construction. Then, how often does the external wall paint a square? What steps do the exterior wall paint have? There are steps for everything. The role of the steps is to help us distinguish what we do first and then do it, so that we don't have to order because The confusion led to the heavy head afterwards. In this regard, I will introduce the exterior painting steps for you and hope to help your decoration!
How much does the outer wall paint?
In general, the external wall painting is divided into two parts, one, material, two, artificial, of course, different regions, the price is also different. In general terms, the number of people required is more than ten yuan per square meter, and the price of materials is around ten yuan. Together, the minimum must be around 20 yuan, up to around forty or fifty yuan. Does not cover the outside temperature, grass-roots plaster, etc., is limited to the surface layer.
What are the external wall painting steps?
First, construction preparation
1. The base surface is flat and free of impurities, the corners are dense, the base layer is dry and wet, the walls are clean, and there are no problems such as water seepage and foaming.
2. Preserved joints in the closed wall to prevent water leakage.
3, the exposed iron at the grass-roots level has been rust-proof.
4, has been decorated scaffolding.
5, do a good job of protection of construction workers.
6. Before the construction of the external wall, the construction temperature should be higher than 5°C.
Second, exterior wall coating construction method
1. Exterior wall coating system
Once again primer, two coats of paint. The painting of the primer is very important, which determines the completeness of the topcoat; the first pass of paint is to increase the hiding power and adhesion, and to increase the fullness; the second pass of paint is to decorate and reduce the degree of external infringement.
2. Operation method of exterior wall coating construction
1 patch
Hollowing: Local emptying, injection of epoxy resin can be; a large area empty drums, emptying parts should be removed, redo the grassroots.
Gap: repair cracks with putty, dry and sandpaper after grinding; large cracks can be done after cleaning layer waterproof, and then fill the mortar.
Holes: The polymer cement putty is used to level holes below 3 mm, and cement mortar is used to repair larger than 3 mm.
2 cleaning
Mortar: Remove with a spatula, spatula, etc.
Dust: It can be cleaned with a broom or a brush.
Mold: Outdoor high-pressure water rinse, rinse with water to dry.
Grease: Clean with neutral detergent.
3 fill the putty
Partial scraping putty: good wall conditions, can not use putty; election high quality putty, construction should be thin batch, thick brush should not be.
Grinding: When grinding, first use grinding machine or coarse abrasive cloth to grind, and then use fine abrasive cloth to grind; In order to not affect the operation, should be ground or putty after drying.
Putty: Put evenly on the putty, grasp the inclination of the tool and ensure that the putty is even and full.
Third, the external wall painting matters needing attention
A. During the construction period, operators should ensure that they have enough sleep to ensure that their energy is concentrated and that there is no accident;
B. Check whether the scaffolds and shelves are firm before construction, and confirm the safety before operating;
C. It is forbidden to wear slippers and smooth shoes on the bottom to work on the scaffold;
D. Fireworks are strictly prohibited at the place where solvent-based primers, face paints and thinners are stored and used;
E, equipped with the necessary protective glasses, masks.
Editor's summary: The above is the external wall painting a square how much money external wall coating construction methods and precautions related knowledge, external wall painting is definitely a technical job, so friends must ask a professional construction staff, as to how much money a Square meters, depending on the local situation, friends can choose a few more price comparisons before deciding.
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