A, exterior paint construction methods
1, the exterior wall base surface treatment
Construction before the need for base surface treatment of the exterior wall, should be thoroughly removed loose, skinning, bulging, chalking grass-roots level, and then remove dust, oil and other pollutants, the wall surface is not flat, should be scraped to make up for the leveling putty, the need for putty to be dry before the construction.
Exterior wall paint construction method
2, a comprehensive inspection of the substrate
The substrate for a comprehensive inspection, such as ragdoll traces, rough corners and edges, dew net and other phenomena, for a thorough second repair, to be accepted after the construction.
3, to determine the amount of paint tools, paint and the wall have been prepared
Construction of the tools used to keep clean and dry, construction is completed in a timely manner to clean and immersed in water to ensure that the effect of the second use of the same wall should be the same batch number of paint.
4, the first paint sealer
In the exterior wall primer add 10%-15% water for dilution, mix well and can be painted, require uniformity of coating, you can use the wall corners, deformation joints, compartmentalized joints, behind the water fall pipe or independent decorative line for partitioning, a partition of the wall needs to be applied once coated. After construction and the next construction interval of not less than 12 hours, if the bottom is exposed, must be repaired within 2 hours.
Exterior wall paint
5, paint in the coating latex paint
Generally in the exterior paint with 5-10% water dilution, mix thoroughly after construction, roll coating can be, the requirements of uniformity of the coating, do not hang, no leakage of the coating, the construction and the next construction interval of not less than 4 hours, the bottom of the situation should be repaired within 2 hours, otherwise there will be paint distribution is not uniform. Otherwise, the distribution of paint will be uneven.
6, painting surface coating latex paint
Generally add 5~10% water dilution (or not diluted), mix thoroughly after construction, roll coating can be. Requirements for uniform coating, no hanging, no leakage.
7, clean up and maintenance of the external wall surface
Next clean up and maintenance of the external wall surface, after the completion of the wall should be rain-proof and anti-fouling measures, so as not to dry thoroughly for the damage to the coating of the external wall surface, thus affecting the decorative effect.
Exterior paint construction precautions
8, acceptance of the external wall surface
It is the acceptance of the external wall surface, according to the specific construction requirements and specifications acceptance can be.
Two, exterior paint construction precautions
To pay attention to the temperature and humidity of the construction environment when the exterior paint spraying process, the construction temperature is required to be 5 ~ 35 ℃, the ambient humidity should be less than 75%.
The above is a small share of the exterior paint construction methods and construction precautions, I hope to help you, if you want to know more about the exterior paint related information, please continue to pay attention.