Since the end of June, temperatures have been above 37°C for several consecutive days, sometimes exceeding 40°C, setting a record high temperature. Meteorologists said that with the development of the warm and humid air flow, it will enter the “sauna days” from Saturday. These meteorological news could not help the owners who are renovating to feel a bit of a sweat, so whether high temperature and high humidity will affect the project quality and project progress? What should you watch out for in summer construction? And listen to experts to take the pulse.

I am afraid of the sun, or let me go to a cool place.

【High temperature articles】

High temperature does not affect the construction

"This high temperature will not lead to the deterioration of cement paint and other materials." "Does the high temperature affect the construction process?" "Is it necessary to stop work?" ... The record high temperatures make the owners who are being renovated full of doubts. Experts said that owners do not have to worry because high temperatures have little effect on decoration. According to reports, the shelf life of cement is about 3 months. Within the shelf life of the cement, as long as the indoor air is dry, the room temperature will not degrade without exceeding 50°C. Even in Beijing's rainy season, its air humidity will not affect its quality. As far as paints and putty powders are concerned, they will generally not deteriorate as long as they are sealed. Even if they are opened, too high temperatures will only cause the surface to dry quickly, but they will have no effect on the construction. Experts advise that water-based materials such as latex paints should be used as soon as they are opened. If not, do not use water to avoid deterioration.

Paving bricks attention wet care

However, there are some minor details that need to be taken into account in hot weather, such as wet care when paving. According to experts, due to the dryness in the summer and the high temperatures, the water is easily evaporated. If the water content in the cement is too low, the strength of the cement will be affected, and the tiles will easily fall off. Therefore, in addition to paving bricks before paving bricks, so that the bricks fully absorb water to prevent the moisture in the cement being sucked away by the bricks, the dry wall also needs to be treated - one hour before paving, sprinkle water on the wall, We should also conduct wet maintenance after paving the bricks, that is, within three to five days after paving the bricks, sprinkle water on the paved tiles every day to ensure that moisture in the bricks does not evaporate too quickly.

From an experience point of view, conservation is much better than unprotected ones, and large numbers of empty tiles can be avoided.

Material stacking against sun exposure

Although high temperatures do not affect the construction and cause deterioration of the materials, they must be kept away from direct sunlight. Some waterborne paints, paints, waterproof materials, etc. will deteriorate in high temperature exposure; PPR pipe will cause deformation of the pipeline after being exposed to sunlight, so it needs to be kept in a place away from light. If exposed to sunlight, wood, boards, and wood products will be deformed and cracked. Therefore, they need to be stored in a ventilated and dry place.

In general, due to the rapid progress in materials and technology, the hot and hot weather has no effect on the renovation. The owners who are preparing to decorate or are currently renovating can be assured.

[hot flash]

If it is said that the summer has an impact on the decoration, it actually refers to the "sauna days" of high humidity. In this kind of weather, the temperature is high and the humidity is high. According to meteorological news, Beijing will enter the “sauna days” from this Saturday, and the air humidity can reach 80%. Experts also said that in hot weather, in addition to light steel keel ceiling, aluminum buckle ceiling, paving tiles, stone, flooring, etc. are not affected, others such as putty, paint, paint, wood products Other processes will be affected. In addition to the higher requirements for construction workers, the owners also need to make psychological preparations for proper extension of the duration.

Oil project duration extended

Humidity and sultry air will cause the water to evaporate slowly. Some items of oil workers and carpenters will be greatly affected. In the “Sauna Day”, if there is a sunny day and windy weather, there must be a lot of window ventilation during construction.

According to reports, under normal circumstances, the first time putty scraping scraping after a day can be scraped the second time putty, but in the "sauna days" case, due to slow dry, it must be two or three days before scraping the second time, otherwise The putty did not dry out. After the paint has been applied, the dampness will occur and the interval of painting will be elongated. Under normal circumstances, the oily paint can be brushed a second time after two hours. It takes 4 hours in Sauna Day. Waterborne paint can be brushed a second time in 4 hours, and it takes 6-8 hours in Sauna Day to brush it a second time.

In addition, due to too much moisture, after a certain period of time, the water in the paint will return to the outside, and the wood products will have a phenomenon of “whitening”. Some white water should be added to the paint to reduce humidity. However, experts suggest that white water only works on the phenomenon of whitening and does not shorten the drying time of the paint. Past experience has shown that paint is slow in the rain, and its light and texture are also relatively poor. Therefore, experts recommend that you choose to paint on sunny days.

Wood deformation

Wood products have the property of bulging and shrinking. If the weather is too dry, the door seam cannot be left too large, otherwise the door seam will be larger after the weather in winter is drier. In addition, because the floor is difficult to dry, if the door cover is too close to the ground, the lower edge is easy to return to the tide, it is recommended that the door cover over the tile during construction, which can greatly avoid the absorption of moisture on the ground by the door. In addition, the purchased products such as wooden lines, because they have been dried during the production, it is best to stay in the sauna for a day or two, so that the internal humidity matches the indoor environment and then paved, otherwise the joints easily swell .

Late check-in time

If you catch up with the sauna days, what should the owners need to pay attention to? As the duration of the oil works and other projects are relatively extended, the owners need to make mental preparation for the extension of the construction period. In addition, if you catch up with the weather just after the renovation is “sauna day”, due to the slow evaporation of harmful gases from the “sauna day”, for the sake of safety, the owner or extend the ventilation time, usually one month later can stay, and can be postponed to one and a half months or Stay in the room after two months; or open windows and plant green plants to help absorb harmful indoor air.

Security article

The weather was hot, and the construction site environment was even harder. Summer is a time of high accidents for renovation and safety accidents. Experts suggest that construction workers and owners should pay more attention to details to ensure personal and construction safety.

Necessary dress

Hot weather, some construction workers will wear slippers and shirtless work due to heat, these acts may cause security incidents. Wearing flip-flops leads to inconvenient work at high altitudes. In addition, if you cut metal materials such as steel pipes, you will not be affected by Mars when you wear uniforms. However, if you use shirtless clothing, it can easily cause skin burns.

Pay attention to maintenance circuit tools

In the hot summer, pay special attention to circuit safety and avoid electric shocks and fire accidents. First of all, it is necessary to pay attention to thread protection. Since it is easy to sweat in summer, the environment is also very wet, and contact with the wire is prone to electric shock. In addition, pay attention to maintenance of electric saws, drills and other circuit tools, do not work long hours at high temperatures, to avoid short circuits.

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