Paint knowledge: the most perfect exterior wall paint construction plan to see the end of the hands!

Core tip: some houses have been exposed to the wind, sun and rain for many years, and the exterior wall looks better, but some houses seem to have gone through the vicissitudes of life, which is mainly the effect of the exterior wall coating The exterior wall coating can protect the house with good water resistance, weather resistance, stain resistance and freeze-thaw resistance, and ensure good decorative effect and durability, so the house The construction of exterior wall coating is very important Let's take a look at the construction scheme of exterior wall coating: first, for the wall that has met the construction conditions after the inspection of the detailed construction specification for coating, the attachments, such as cement mortar particles, should be removed first Use professional instruments to measure before construction Shenyang steel structure fireproof coating construction expert punde Building Fire Engineering Co., Ltd Recommended introduction: since its establishment, Shenyang punde Construction Fire Engineering Co., Ltd has cultivated a group of professional construction teams with excellent equipment, rich experience and serious responsibility with advanced and scientific management methods and strict engineering quality assurance and after-sales service system It has undertaken a number of fire system installation projects, which has been praised by customers Every idea and special requirement of you will be fully considered by us and fully realized in the construction technology, which will become the cornerstone of our successful long-term development We are looking forward to your invitation, to provide you with quality services and high-quality technical support! All construction coatings have passed ISO9001 Paint Home News: some houses have been exposed to the wind, sun and rain for many years It seems to be better, but some houses seem to be dilapidated after vicissitudes, which is mainly the effect of exterior wall coating Exterior wall coating can protect the house with good water resistance, weather resistance, stain resistance and freeze-thaw resistance, and ensure good decorative effect and durability Therefore, the construction of exterior wall coating is very important Let's go to see the construction of exterior wall coating Scheme situation: construction scheme of exterior wall coating: 1 For the wall that has met the construction conditions after the inspection of the detailed construction specification for coating, the attachments, such as cement mortar particles, shall be removed first Before construction, professional instruments shall be used to measure the wall surface, with water content less than 10%, and pH value less than 10, so as to ensure the best effect of coating application If the pH value can not meet the construction conditions, 1 kg oxalic acid and 50 kg clear water shall be used for washing to meet the construction index requirements Small cracks and large unevenness shall be filled with corresponding measures to make the wall surface flat, firm and clean 2、 The pre-treatment of different base 1 The new cement mortar wall (1) has mortar pimples, which shall be polished by angle grinder (2) If there are cavities, fill them with cement mortar (3) If there is hollowing, knock it out and plaster it with cement mortar (4) If there is a phenomenon of Pan alkali, it can be treated with oxalic acid to be neutral 2 Remove hollows and loose parts from mosaic or tile surfaces (1) (2) Clean the dust and oil on the surface (3) Fill surface holes and brick joints with cement mortar or leveling putty (4) One layer of full batch interface leveling putty 3 Remove the powdered, shelled and soft parts of the old coating base (1), and clean them (2) Fill the holes with putty 4 Clean the foundation surface of brick wall (1) remove the weathered surface and clean it (2) First, fill the brick joint with leveling putty, and then apply leveling putty in full batch 5 The cracked base course shall be filled with elastic putty first, and a layer of elastic putty shall be applied around the crack periphery, and compacted with a spatula After the putty is completely dried, the second elastic putty shall be applied After the elastic putty is completely dried, the next process can be carried out Three In order to ensure the integrity of the finish paint, the special leveling putty for the exterior wall is used, which has good adhesion, high strength, crack prevention, blistering and other phenomena Use the special leveling putty for external wall to scrape the wall as a whole It is required to scrape each layer of putty less than 3mm It is recommended to construct in thin layers and multiple layers After the scraping is completed, the uneven part shall be repaired, the uneven and scratched parts shall be polished and leveled, and thoroughly dried and maintained 1 Description of construction process: apply a full coat of putty on the divided plate horizontally with a spatula, use a spatula to scrape it horizontally, and fill and repair the sunken area with putty and then scrape it flat After the surface is dry, apply a full coat of putty along the vertical direction, and then use another scraper to scrape vertically along the vertical direction If there is a depression, fill it with special putty for the external wall and scrape vertically If the flatness still fails to meet the requirements, repeat the above steps until the requirements are met 2 Construction process requirements (1) the thickness of each batch of scraping shall be less than 3mm (2) the flatness requirements after completion: check with a 2m guiding rule, and the flatness error shall be less than 3mm After construction, it needs to be dried for 24 hours and then polished with 400 × sandpaper The finished surface shall be smooth and fine without scratches or sand marks 3 Process flow chart (putty and exterior wall paint) (1) construction process flow of leveling putty for exterior wall paint (2) construction process flow of exterior wall paint (4) repair, cleaning and acceptance After all processes are completed, final inspection shall be carried out If there is any incomplete, polluted or damaged place, repair shall be carried out immediately, and the protected area shall be cleaned up, and the site shall be cleaned; protection work shall be continued; Prepare for handover and acceptance The construction of exterior wall coating is related to the service life and decoration effect of the house It is an important project, so we should not neglect it The construction scheme of exterior wall coating is introduced here, hoping to help you [focus on WeChat official account "paint net"; pay attention to surprises, scan code to see if your husband is selling paint.. 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