Biện pháp thi công sơn nước

EMULSION PAINTING METHOD STATEMENT
1. Tools & Equipment :
All brushes, rollers, spray equipment, tools, pots, ect., used in executing the works shall
be kept clean and free from foreign matter, and shall be thoroughly cleaned prior to
being used with diffrent type of material.
2. Preparation of materials :
All paint materials shall be thoroughly stirred and mixed when the manufacture's
containers are opened and the contents are transferred to painter's pots
3. Sequence of work :
- Surface Preparation :
+ Surface condition : Cleaning the surface by abrasive paper or brush
+ Drying condition : Degree of wetness is less than 16% ( Protimetter range) or 70%
(Lutron range)
- Mastic coat ( putty coat ) : 2 layers
+ Mix the mastic powder (40 kg) & water ( 14 - 16 liters ) by mixing machine within 3
minutes.
+ Let the mix within 10 minutes then re-stir
+ Plaster the first layer by putty knife within 2 hours after mixture.
+ The wet thickness is about 0.8-1 mm , the dry thickness is about 0.5-0.6 mm
+ After the first have enough dryness, proceed the second layer following above steps
- Priming coat :
+ Checking the waveness and make flat before proceeding
+ Checking the wetness degree : is less than 16% ( Proti metter range) or 70%
(Lutron range)
+ Dilute by clean water or solven ( not more than 15% of capacity). Mixing within 3
minutes.
+ Using roller or sprayer for painting application.
+ Let to dry at least 2 hours before proceed the top coat.
- Top coat : 2 layers
+ Dilute by clean water or solven ( not more than 15% of capacity). Mixing within 3

minutes.
+ Using roller or sprayer for first layer application.
+ Let to dry at least 2 hours before proceed the 2nd layer.
+ Can add the clean water ( 3 - 5 %) into the mix which used more 2 hours then use it
for 2nd layer.
+ Using roller or sprayer for 2nd layer application.


+ Make sure the uniformity of colour.