（4）氟碳外墙漆涂饰施工的基层处理应符合下列要求：新建筑物的混凝土或抹

(4) The basic treatment of fluorocarbon exterior wall paint coating construction should meet the following requirements: the concrete or plastered walls of new buildings should be painted with a special alkali-resistant sealing primer for exterior walls before coating; old walls should be painted before coating The loose old decoration layer should be removed, and the interface agent should be painted; the construction wall should be flat and clean, free of any dirt, and should be fully dry, without looseness and hollowing; the construction wall should have a PH value of less than 9, and moisture content It should be less than 8%. The new powder cement mortar wall needs to be cured for more than 10 days in summer, more than 20 days for winter maintenance, more than 21 days for cast-in-place concrete walls in summer, and more than 28 days for winter maintenance. Construction is possible; The coating quality and inspection method should meet the requirements of 10.3.6 in the “Code for Quality Acceptance of Building Decoration and Decoration Engineering” (GB50210-2001); the joints of the coating and other decoration materials and equipment should be consistent, and the interface should be clear. <br>(5) The layout of the split seams should be reasonable, the width and depth of the seams should be uniform, the seams should be smooth and flat, and the edges and corners should be neat and fluent.

(4) The grass-roots treatment of fluorocarbon exterior paint coating construction should meet the following requirements: the concrete or ash wall surface of the new building should be painted with special anti-alkali closed primer for the exterior wall before the painting construction; The construction wall should be flat and clean, without any dirt, and should be fully dried, without the phenomenon of crispy pine and empty drum, the pH value of the construction wall should be lower than 9, the water content should be less than 8%, the new powder cement mortar wall should be maintained for more than 10 days in summer and more than 20 days in winter, Now poured concrete walls in summer need to maintain more than 21 days, winter maintenance needs more than 28 days to build, color paint coating quality and inspection methods should be in line with (GB50210-2001) "building decoration project quality acceptance specifications" in the decoration project 10.3.6 provisions;<br>(5) the split seam arrangement is reasonable, the width and depth of the seam should be uniform, the seam should be smooth, flat, the corners should be neat and smooth.

(4) The base treatment of fluorocarbon exterior wall paint finishing construction shall meet the following requirements: the concrete or plastered wall surface of new buildings shall be coated with special alkali resistant sealing primer for external wall before finishing; the loose old decoration layer shall be removed and the interface agent shall be applied on the old wall surface before finishing; the construction wall surface shall be smooth and clean, free of any dirt, and shall be fully dry, free of looseness and hollowing; construction The pH value of the wall should be lower than 9 and the moisture content should be lower than 8%. The fresh cement mortar wall should be maintained for more than 10 days in summer, more than 20 days in winter, and the cast-in-place concrete wall should be maintained for more than 21 days in summer and 28 days in winter. The painting quality and inspection method of the color paint should be in accordance with the coating engineering 10 in the code for quality acceptance of Building Decoration Engineering (GB 50210-2001) 3.6; the joint between coating and other decoration materials and equipment shall be consistent, and the interface shall be clear.<br>(5) The layout of dividing joints shall be reasonable, the width and depth of joints shall be uniform, the joints shall be smooth and smooth, and the edges and corners shall be neat and smooth.<br>