In general, after the water-resistant putty is normally put on the wall, its service life should be more than 15 years, and the general non-water-resistant putty can only reach about 5 years when the outer layer is protected by latex paint. The greatest harm to these non-water-resistant putties is that they have a short service life, they are easy to empty, peel, crack, and bring great hidden troubles to the interior decoration. Next, Xiao Bian introduced the characteristics of water-repellent putty quality identification and water putty.
Water Putty Quality Identification
1, look: good water putty, looks delicate white, no hard block. The inferior water-resistant putty is yellow in color, looks rough, and has agglomerates after being damped. It also depends on whether the brand mark, production date, and factory inspection qualified list are on the packaging. The regular water-resistant putty manufacturers have these logos.
2, smell: good water putty, the smell is more comfortable, poor water-resistant putty smells more heavy white ash, and blowing nose.
3. Q: Ask friends and neighbors who have used water-resistant putties, or ask people who are more knowledgeable. If no one can ask, then check online. General regular production of water-resistant putty manufacturers have a brand, and all have a website.
4, cut: First, hands-on scraping, easy to putty easy construction, easy to sand, but also a certain degree of coverage, can save material. Poor putty to be very thick, with more materials. Second, touch with the hand, so putty smooth, smooth, delicate, do not need to spend effort to polish the latex paint, but also save latex paint. Poor putty feels rough and paints. Third, with a fingernail, the putty is not easy to scratch, only shallow scratches. Poor putty gently strokes, there is a deep scratch. Finally, spray a little water and rub it by hand, so that the putty is resistant to water and does not fall out of powder. Putty is watery and full of white powder.
Waterproof putty selection skills
1, waterproof performance
The wall putty requires gypsum powder and chemical glue in its constituent materials, which are important basis for waterproofing. Why do putty need to be waterproof? Because it is used as the base layer of latex paint on the wall, so it must be waterproof, in order to isolate the direct contact of the wall and latex paint, to prevent the wall surface from moisture and cause latex paint off!
2, strong performance
Putty must be strong, strong putty can be well attached to the wall base and carrying latex paint. At the same time, it can also ensure the tough appearance and performance of the wall. So how do you judge whether the putty is firm after use? We can look at its composition, the same requirement is gypsum powder, chemical glue and dry powder.
3, leveling performance
One of the important functions of the putty is to level the wall, fill the concave part, cover the protruding part, and then level and grind it. Putty needs to meet benign stickiness. We should directly inquire about the leveling performance of the merchant and whether it can play its due role on the wall!
4, environmental performance
Putty should not only have its own functions and effects, but also should meet the environmental protection. Life is busy and complex, and environmental protection is a must for our lives. How do we judge if putty is environmentally friendly? We have as few ingredients as possible and less chemicals.
Water-resistant putty features
1, feel good
The surface of water-resistant putty is smooth and delicate after construction. The putty after light treatment will give people a creamy feel. The decorative effect can be used as a decorative layer.
2, good durability (secondary decoration does not eradicate)
Due to poor water resistance, ordinary putties must be removed and cleaned together with the original paint afterwards. Not only does the increase in costs result in wastage of resources, renovation costs (material costs, labor costs), and the waste that has been eradicated is difficult to be recycled and used, causing environmental pollution. Water-repellent putty is once and for all. After two years or three or more times of decoration, it is no longer necessary to shovel a putty layer, and the surface layer can be polished and repaired locally to complete the next process. This saves time and effort, and protects the wall. body. Generally good water-resistant putty ensures the same life as the wall.
3, save paint
The unique whiteness and denseness of the water-resistant putty make it possible to save 25 to 30% of the coating amount per unit area of ​​paint adhesion and hiding rate compared to using a common putty wall.
4, high adhesion
JG/T298-2010 "Building putty for indoor use" standard has a clear specification for the strength of putty, ordinary putty standard state bond strength greater than 0.25MPa, there is no requirement for the strength after water immersion, and water resistant putty required standard state bond strength It reaches 0.50MPa and the bond strength after water immersion is more than 0.30MPa. It can be seen from the standard that the strength of the water-resistant putty is higher than that of the ordinary interior wall putty, and therefore the use of a water-resistant putty does not easily cause emptying and shedding.
5, high cost performance
The unit price of water-resistant putty is 1-2 times of the unit price of common putty, which is also a factor affecting the promotion of water-resistant putty, but the decorative effect after using water-resistant putty is far beyond the reach of ordinary putty. In addition, from the total amount of paint, the cost of putty construction and the construction cost, the use of water-resistant putty is more cost-effective.
Editor's summary: The characteristics of water-repellent putty quality identification and water-resistant putty are introduced here, and we hope to help everyone. If you want to know more about yourself, you can follow the information on this site.
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