During batching, the liquid material shall be stirred with a mixer first, and the powder shall be added slowly under the mixing state for mixing and mixing (an appropriate amount of water can be added to adjust the viscosity, but it is best to add water before the powder is added).
Considering crack resistance, polypropylene fiber Dura fiber can be added; Professional caulking team is recommended for caulking; Use reasonable caulking gap of 15 ~ 30mm.
If the temperature is low, the humidity is high and the ventilation condition is poor, the time will be longer.
Foaming agent caulking node foaming agent caulking range foaming agent caulking gap is required to be 15 ~ 25mm.
During glue injection, the glue injection slot and base course shall be cleaned, and sealant shall be applied after drying; Neutral silicone sealant shall be used for sealing.
The foundation surface must be flat, firm, clean, free of open water and leakage; Defects such as unevenness and cracks must be filled, and the leakage must be sealed; The internal and external corners shall be made into arc corners.
Standard opening size of system doors and windows: the final opening size after the foundation masonry of doors and windows is completed and trimmed with the first layer of waterproof mortar is the standard size of doors and windows.
It is forbidden to inject sealant on the coating surface; Neutral silicone sealant shall be filled evenly without interruption; The thickness of outer sealing rubber layer of insulating glass is 5 ~ 7mm; The coating surface of Low-E glass must face the hollow layer, and the Low-E glass is located outside the room during installation; The tempered glass shall be pasted with 3C mark according to the specification, and the double-layer tempered glass shall be added with 3C mark on both tempered glass; The glass cushion block shall be used to install the hardware of the inner leaf of the door and window.
The spacing requirements of concrete embedded blocks are as follows: the spacing between the upper and lower embedded blocks of the portal shall be 180mm, and the spacing between the left and right embedded blocks of the portal shall be 500mm.
The upper and lower ends of the assembled materials of the wet combined window shall be blocked; The splicing material shall be designed to be lengthened and reliably connected with the structure; When assembling the door (window) frame and the material card, the fasteners shall be tightened in both directions, and the spacing shall not be greater than 500mm; The distance from both ends shall not be greater than 180mm; The gap between the splicing material and the door (window) frame shall be sealed with caulking glue.
The fasteners for installing the hardware accessories of the door and window shall not use pop rivets..
3.
Concrete embedded blocks shall be reserved for door and window openings of brick walls (clay bricks and easy access blocks).
Glue shall be injected outside the door and window room to seal the exterior wall.
before construction, the filling part shall be cleaned and sprayed with water; Spray from bottom to top, and the injection amount can reach 70% of the filled volume; The surface starts to cure in ten minutes.
It shall be fully stirred and dispersed until there is no powder mass and precipitation.
●2.
The exterior of doors and windows shall be painted, and the glue injection notch of 5mm wide and 6mm deep must be reserved outside the outer door and window frame; The reserved glue injection notch can be made by pasting PVC type dividing strip as the notch, and then removing the PVC type dividing strip after the external painting layer is hardened.
If the hole correction is greater than 50mm, the method of fine aggregate concrete with reinforcement mesh must be adopted; Steel sub frame installation node polymer cement waterproof (JS) 1 The foundation surface must be flat, firm, clean, free of open water and leakage; Defects such as unevenness and cracks must be filled, and the leakage must be sealed; The internal and external corners shall be made into arc corners.
Prevent the outer film of foaming agent from being damaged.
It shall be fixed with nylon expansion screws.
The painted surface shall slightly exceed the window frame, and its thickness shall not affect the opening of the fan and the drainage of doors and windows.
The installation clearance of main and auxiliary frames for dry method door and window frame installation shall be subject to on-site quality control in strict accordance with the design clearance of main and auxiliary frames.
Do not directly use fasteners to control the gap between main and auxiliary frames.
After installation, the actual gap between the main and auxiliary frames shall not be less than 4mm.
Generally, the construction takes more than 4 hours and the temperature is 20 ℃.
▼▼▼▼▼ water mortar caulking joint water mortar caulking requirements caulking mortar shall use waterproof mortar; Conventional mixing ratio: cement: Sand: waterproof agent (weight ratio) is 1:2.5:0.03.
Standard hole finishing of system doors and windows wet door and window frame installation hole deviation is greater than 10mm, and the hole after finishing with cement mortar, the connection between door and window fixing sheet and civil structure is prohibited from using shooting nails.
Before the installation of window frame, the opening shall be painted with a layer of cement mortar to make the surface of the opening smooth and tidy.
According to the selected construction method, it shall be completed layer by layer in sequence, and the interval between layers shall be subject to the dry and solid coating of the previous layer.
The prepared materials shall be used up within 2 ~ 3 hours.
Adjust the mixing ratio according to the use.
Plug the overflow foaming agent into the gap before curing.
The clearance control of main and auxiliary frames shall adopt special clearance adjustment blocks for main and auxiliary frames.
The batching ratio shall be measured accurately in strict accordance with the factory requirements.
The minimum construction temperature is + 5 ° C.
The base surface of the outer window sill plate shall be poured with 3-5% outward flashing, and the part extending into the wall shall be slightly higher than the exposed plate surface.
