& nbsp; & nbsp; Is there a standard for winter sealant construction that can be referred to?
  & nbsp; & nbsp; The national and industry standards for building silicone weather resistant sealant, GB/T22083-2008 "Classification and Requirements for Building Sealants", JC 882-2001 "Sealing Adhesive for Glass Curtain Wall Joints", as well as relevant standards for building curtain walls, such as JGJ1022003 "Technical Specification for Glass Curtain Wall Engineering" and JGJ133-2001 "Technical Specification for Metal and Stone Curtain Wall Engineering", do not specify the construction environment for silicone weather resistant sealant. Therefore, construction should be carried out in accordance with the recommended environmental requirements in the construction process of Ruilangda silicone weather resistant sealant.
  & nbsp; & nbsp; Is the winter temperature below 4 degrees and the relative humidity 35? Is it for gluing? Why?
  & nbsp; & nbsp; When the temperature is too low, the wettability between the adhesive and the substrate surface decreases, and there may be imperceptible fog or frost on the substrate surface, which affects the adhesion between the sealant and the substrate
  & nbsp; & nbsp; Under low-temperature conditions, the curing speed of silicone sealant is slower than normal. Before the sealant is cured, changes in the joint can easily cause bumps or cracks on the surface of the sealant, affecting its appearance. If the user needs to carry out construction in winter due to the tight schedule of the curtain wall project, they need to record the temperature situation of the project location. When the temperature is higher than 4C, construction can be carried out; When the temperature is below 4 ° C; C, Not recommended for construction. If the user insists on construction under conditions below 4C, it is recommended to conduct a small-scale adhesive test and adhesion test before use to confirm good adhesion and appearance before large-scale use. In the process of large-scale adhesive application, it is necessary to increase the frequency of on-site cutting and inspection of silicone weather resistant sealant, keep quality control records, and ensure construction quality.
  & nbsp; & nbsp; There are plastic steel doors installed in the room, sealed with neutral glass glue around. It's winter now, and it's been two months. Has the glue dried completely?
  & nbsp; & nbsp; It should have dried out early. You can touch it with your hand. If it doesn't have any elasticity after pressing it with your hand, it may not have dried back to its original state. Normally, it should have dried out in about 15 days. [Prov_or_city] Ruilangda
  & nbsp; & nbsp; How to handle dry adhesive during winter construction and stone curtain wall construction? What should I do if the temperature is low and the dry adhesive cannot be mixed?
Dry adhesive must be used strictly according to the product's instructions, and work must be stopped when the temperature is below the specified level.
  & nbsp; & nbsp; Can silicone weather resistant adhesive be applied to curtain walls below 5 degrees Celsius during winter construction?
  & nbsp; & nbsp; According to JGJ104 "Winter Construction Regulations for Building Engineering", winter construction begins when the average outdoor temperature remains below 5 ℃ for five consecutive days. Winter construction is terminated when the average outdoor temperature remains above 5 ℃ for five consecutive days.
  & nbsp; & nbsp; During winter construction, it is possible to encounter severe weather conditions such as strong winds, heavy snow, and cold waves with rapidly decreasing temperatures. Although the cold waves are short each time, the average temperature drops by about 5-10 ℃, which is the key to winter construction and has the highest possibility of problems. To ensure project quality, reduce costs, and achieve reasonable economic benefits, based on years of winter construction experience, Ruilangda suggests that you lower the baseline temperature to 4 ° C during the harsh winter season; Suspend construction to avoid the cold wave and wait for the temperature to rise before resuming construction.