Common knowledge of coating: key points and common problems in wallpaper construction

Core tips: 1 Key points of wallpaper construction 1) Remove the original paint, wallpaper and other objects on the wall surface; if there are cracks and holes on the wall surface, use gypsum powder to make up these places and paste bandages after leveling; if there are sand and ash walls and partition walls, fully paste glass cloth or dacron cloth; if some partition walls or exterior walls with poor quality want to achieve the effect of heat preservation, they need to be nailed with gypsum board; 2) Brush primer: evenly brush alkyd varnish on the wall with moderate thickness; 3) puttying and polishing: apply putty twice on the wall After the putty is dried, polish the wall surface with sandpaper and grind it out unevenly 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 House News: 1 Key points of wallpaper construction 1) remove the original paint, wallpaper and other objects on the wall surface; if there are cracks and potholes on the wall surface, use gypsum powder to make up these places, and then paste bandages after leveling; if there are sand ash walls and partition walls, fully paste glass silk cloth or dacron cloth; some poor quality partition walls or exterior walls In order to achieve the effect of heat preservation, it is necessary to nail gypsum board; 2) brush bottom oil: evenly brush alkyd varnish on the wall with moderate thickness; 3) puttying and polishing: coat putty twice on the wall After the putty is dried, polish the wall with sandpaper to remove the uneven particles to make the wall smooth and flat; 4) cover oil: brush the wall with clear oil evenly again without too thick In this way, it can prevent the wall from absorbing the wallpaper glue, make the wallpaper stick on the wall, and make the wall more flat; 5) cutting Wallpaper: cutting wallpaper also has regularity, such as the color, pattern and size of each wallpaper and the two adjacent wallpaper are consistent, etc; 6) wallpaper pasting: after the wallpaper glue is evenly coated on the wallpaper with a roller, the thicker wallpaper needs to be placed for a period of time When starting to paste wallpaper, for the seams, the two sides of the adjacent wallpaper shall be squeezed together to make them fit, and then the seams shall be pressed well with a scraper, and the extruded glue shall be cleaned After the wallpaper is pasted, use a scraper to roll the wallpaper from top to bottom 2 Problems easy to occur in wallpaper pavement 1) problems such as glue opening, uneven mosaic and yellowing of joints are easy to occur in wallpaper pavement The main reason is that most of the domestic construction personnel have not received professional training, and the quality of workers is generally not high In addition, workers do not understand the characteristics of wallpaper, which is also the main reason for the uneven gluing, mosaic and yellowing of joints 2) how to avoid the above problems: (1) first of all, there should be professional construction tools, such as rubber rolling machine, brush, roller, professional tool, etc; ② workers should be familiar with the characteristics of wallpaper, especially for pure paper, diatomite or wallpaper with rough surface, it must be noted that surplus glue can not be left at the joint when paving, if the residual glue is not wiped clean, it will appear glue breaking, yellowing and other phenomena in the future; ③ professional edge sealing glue should be used for the corner to avoid cracking; ④ when assembling flowers, it should be neat and tidy, and when cutting tools, there should be no stubble Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,