Just after the National Day holiday is the lunar 24 solar terms of cold dew. Officially ended after cold dew, it means the autumn, the temperature gradually decreases, the dew on the ground is colder, is going to condense into frost. Northeast and northwest regions have entered or is about to enter the winter, at night, looking at the stars, you will find change garments according to the stars, on behalf of summer & other; Big Mars & throughout; Is down, we can ambiguously hear the footsteps of winter.
cold dew after the weather is cool, the air crisp, is a good time to ceramic filled seam an agent construction. But due to the temperature drops, ceramic caulking agent construction and indoor temperature, humidity, and the whole manner, the ceramic caulking agent construction and puts forward some new requirements. Ceramic caulking agent remind everybody, winter ceramic caulking gun construction must pay attention to the following:
a, temperature
1, the construction temperature requirements in the above 5 ℃
in construction of ceramic filled seam an agent, new house no heating, can use the electric heater, in order to improve the indoor temperature of construction environment. Conditional construction site, can open air conditioning, appropriately increase temperature to the construction site.
2, should pay attention to shut doors and Windows
winter wind cooler, low temperature and cool are easy to make ceramic filled seam an agent in the process of solidification cracks and contraction, remember that in construction of ceramic filled seam an agent to shut doors and Windows.
3, the temperature is too low to product appropriate heating
winter indoor temperature is below 5 ℃, 40 ℃ - available before construction 60 ℃ warm water, the sealing condition of ceramic product caulking agent temperature hot about 10 minutes, so as to avoid construction ceramics caulking agent part A and part B mixed uneven, after out of any effect. Temperature is very hot in the bucket, ceramic filled seam an agent of the discharging mouth down, bottom up.
4, stored at 5 ℃ temperature above
winter ceramic filled seam an agent to ensure that in 5 ℃ - storage temperature Between 30 ℃.
5, floor heating is more to do the seam
the north use terrestrial heat, more more beautiful seam to do. Because they don't do the seam, to warm the heat generating from the slit to take, and out of the dust, bacterium.
2, humidity
1, doors and Windows construction to avoid crack near damp
the north the weather is dry, but because congress temperature difference between indoor and outdoor humidity near Windows, doors and Windows construction, near to see gap, avoiding damp.
2, should keep indoor construction environment dry
the south winter indoor damp fog, humidity is bigger, dry construction to maintain indoor environment. Available air conditioning dehumidification.
3, crack environment to dry clean
ceramic caulking grout construction, crack environment to dry clean, no water vapor, ground, metope have moisture water, must not force construction, to avoid the ceramic white color change after caulking grout construction. Again after with aperture of moisture also can use hair dryer dry construction.
3, manners,
1, the construction don't open door window ventilated to avoid cracking
the cooling air in the north is too heavy, don't open a window ventilated before and after the construction to avoid the slit cracks formation, also will increase the time of curing.
2, southern construction don't open a window ventilated to avoid moisture absorption
winter of southern moisture, do not open a window ventilated, before, during, and after the construction to avoid ceramic caulking agent in curing absorb moisture, in white, the color becomes shallow.
ceramics will inevitably be filled seam an grout construction some evils, ceramic filled seam an agent of winter construction ills. What should I do?
problem 1, low temperature, high viscosity, difficult to discharge the
winter caulking agent construction notice winter ceramic caulking agent construction points for attention in
the reason: the environment temperature is lower than 5 ℃, the curing agent will be sticky
the solution: use 40 ℃ - 60 ℃ warm water soak for 10 minutes or so
problem 2, ceramic caulking agent foam
the reason: because of the low temperature, heating when the temperature is too high for the seam products, lead to raw materials (ceramic caulking agent Curing agent, resin, additives) Lesions occur.
the solution: use 40 ℃ - 60 ℃ warm water soak for 10 minutes. If still won't do, want to change in time new ceramic filled seam an agent.
3, the seam brittle break easily, more than likely to clean up the
reasons: one is the low temperature, the winter construction, curing process such as temperature below 5 ℃, curing slower. Second, resulting in a higher heating, will accelerate the curing, strength rising fast, clean up after a long time the inconvenience. Three is pitted brick, brick of archaize brick, pits is not wipe the wax.
the solution: due to clean up the remaining material is difficult, want to clear in time, but the effect is not affected.
question 4, construction backwardness white
reason: long curing process and alkaline substances ( Wet) Contact, indoor temperature in curing time is too long, or indoor humidity is big, easy absorption of moisture curing slower, will lead to the construction after the seam.
the solution: cleaning aperture, assure without moisture water, keep dry. Once appear, efflorescence phenomenon, it is suggested that shovel off white, to do.
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