What mortar should be used for aluminum alloy door and window plugging joints

Aluminum alloy doors and windows.

The plug joint should be made of 1: cement sand to modulate dry hard cement mortar.

Hand. Tight into a ball, not loose, slightly wet to the touch, can not use a thin mortar. Secondly, there must be a certain amount of humidity around the edge of the door and window frame of the plug joint, and the wood of the door and window frame must be fixed around it.

The tip should be firm and not loose. Aluminum alloy doors and windows recommend premium doors and windows, especially Vienna launched in 2022.

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After adding water and stirring, a special filler is used to fill the gap between the door frame, the window frame and the wall, which replaces the rough process of traditional manual plugging, improves tooling, improves the efficiency and quality of caulking, prevents leakage of door and window frames, and effectively prevents the appearance of cold and hot bridges.

The gaps between the aluminum alloy bumper and the plastic door and window frame and the wall silver manuscript body shall not be filled with cement slurry. （）

a.That's right. b.Mistake.

Correct Answer: a

If you don't use foaming agent or asbestos, you can also use cement sand powder, pay attention to wrap the film or paste the sticker on the aluminum alloy frame before painting (aluminum stores and aluminum alloy accessories stores have to sell) and then call the mason whitewash, after the powder is good, use a rag to wipe off the cement mortar on it to avoid oxidation of the aluminum alloy surface layer, and cut off the film with a paper knife after the stucco is dry.

After judging that the aluminum alloy door and window frame is installed firmly, it must be filled with cement mortar or fine stone concrete in time. No, it is not appropriate to look at its firm performance, but also to check the verticality and sealing performance, otherwise it will not be able to adjust after filling. Installation Requirements:

Door and window frames and window openings should be drawn out of the center line, when the window frame is loaded into the hole, the center line should be aligned, the corner of the frame should be temporarily fixed, and the verticality, horizontality and straight angle of the window frame should be carefully adjusted, and the error should be within the allowable deviation range. When the aluminum alloy door and window frame is installed, it should be reliably connected with the wall with connectors. The distance between the connector and the corner of the frame should not be greater than 180mm, and the distance between the connectors should not be greater than 500mm.

The connector should be made of thin steel plate with a thickness of not less than and have anti-corrosion treatment. The connection method is generally to use expansion bolts, needles or open and iron feet to be buried in the wall, and the door and window frames shall not be directly nailed to the wall with circles and needles. After the installation and fixation of aluminum alloy doors and windows between the gap between the aluminum alloy door and window frame and the wall, the concealed engineering acceptance should be carried out first, and the gap between the door and window frame and the wall should be dealt with in time according to the design requirements after qualification.

If the design does not require it, mineral wool or glass wool felt strips can be used to fill the gaps in layers, and the outer surface should be filled with 5 8mm deep notches with caulking paste, or the outer surface around the door and window frame should be treated with anti-corrosion, and then filled with cement mortar or fine stone concrete. Kiss.

In order to enhance the sealing and waterproofing of acoustic insulated doors and windows, we usually need to carry out caulking after the installation of the theme part of the acoustic insulated doors and windows.

Steps: After the installation quality inspection of flatness and verticality before caulking, clean the surrounding of the frame, inject the foaming agent into the cavity at the bottom of the frame, and then use cement mortar to fill the joint, and the positioning wooden wedge must be reserved when the caulking is completed, and the positioning wooden wedge can be played out after 24 hours of mortar condensation, and then the foaming agent is used to fill the void, and finally the mortar is finalized.

Precautions: the foaming agent must be strictly controlled, to ensure that the depth of the groove formed by the foaming agent and the frame after the shaping is between 5 8mm, the mortar filled into the bottom of the frame is required to be dense to ensure the uniform contact between the mortar and the bottom of the frame, the depth of the mortar surface is 3-5mm, and the surface of the mortar and the frame must be left with a 7mm wide waterproof glue injection groove, the groove depth is controlled at 5mm, and it is recommended to use a round steel with a diameter of 6mm to be directly pressed into the forming. For the outer casement window without superlight, the civil engineer must pay attention to the height of the bottom surface of the drip lower than the frame surface should not be greater than 8mm, otherwise the door and window sash will not be able to open normally.