DH-7045型膨胀聚苯板外墙外保温系统外墙保温材料DPS防水

DH-7045型膨胀聚苯板外墙外保温系统外墙保温材料DPS防水 I. brief introduction: With the expansion of polystyrene board as insulation material, using special adhesive paste and mechanical anchoring the expanded polystyrene board is fixed on a wall on the outer surface of the polymer mortar as protective layer to alkali fiberglass mesh cloth as a reinforced layer, surface coating, or other decorative material formed on the building, can play the heat in winter, summer heat insulation and protection decorative effect. Two, system diagram Three. System material composition 1, EPS insulation board The EPS board is molded from polystyrene foam for insulation. The EPS board has light weight and extremely low thermal conductivity. The main technical requirements are as follows: The thermal conductivity of /W/ (M? K) less than or equal to 0.041 Performance density / (kg/m2) 18.0~22.0 Perpendicular to the direction of the plate surface tensile strength of /MPa = 0.10 Dimensional stability: less than 0.30 2 adhesives By inorganic cementitious materials, polymer, with selected aggregate and various external additive mixture, used for walls and insulation board of paste, with high adhesive performance, can achieve the purpose of safety and firmness. The main technical requirements are as follows: Tensile bond strength /MPa (with cement mortar) The original strength of not less than 0.60 Water is more than 0.40 Tensile bonding strength /MPa (with expanded polystyrene board) The original strength of more than 0.10, in the destruction of the interface of polystyrene board on Water is more than 0.10, in the destruction of the interface of polystyrene board on The operating time is /h 1.5~4.0 3, mortar Manufacture of flexible latex, 42.5 ordinary cement, anti crack engineering fibers and the additive is composed of polymer, used to increase the thermal insulation system with flexibility, strength, crack resistance, waterproof and weatherability, and metope smooth function, lay the foundation for facing outside. The main technical requirements are as follows: Tensile bonding strength /MPa (with expanded polystyrene board) The original strength of more than 0.10, in the destruction of the interface of polystyrene board on Water is more than 0.10, in the destruction of the interface of polystyrene board on Resistance to freeze-thaw damage is more than 0.10, in the expanded polystyrene board on the interface flexibility The compressive strength and flexural strength (cement) is less than or equal to 3 Crack strain (non cement) = 1.5 The operating time is /h 1.5~4.0 4, alkali resistant fiberglass mesh cloth Reinforced materials, buried in the bottom of the surface layer between mortar and plaster mortar, in order to improve the protection layer of the mechanical strength and crack resistance. The main technical requirements are as follows: Mass per unit area / (g/m) = 130 Breaking strength (weft) alkali /N/50mm = 750 Alkali breaking strength retention (latitude to more than 50 /%) The fracture strain (warp and weft): more than 5 5. Construction flow chart Four, construction points 1, grassroots clean-up The wall should be smooth, firm, no hollowing, cracking phenomenon. 2. Prepare mucilage Use hand held electric mixer, mixing, according to the packing instructions, plus the edge of the water mixing; mixing time is not less than 5min, stirring must be fully and evenly, consistency is moderate, and has a certain viscosity. After the mortar has been modulated, the 5min should be placed aside and stirred again before use. The mixture should be used in 1h. 3. Stick polystyrene board The mesh over packet: paste bulk polystyrene board from the corner, window, balcony, encounter cornice and other parts need of alkali fiberglass mesh cloth turning package, ladle grid cloth itself not overlap. ? polystyrene board with long to horizontal laying, to ensure continuous integration, the upper and lower two row of plate must be vertical wrong seam, 1/2 long plate, local minimum wrong seam shall not be less than 200mm. Sticking polyphenyl plate, slab should be compact, the adjacent plate should be flush, construction control plate gap should not be more than 2mm, plate height shall not exceed 1.5mm. The polystyrene board in accordance with the above requirements against the wall, with 2m on foot repeatedly pressed, ensure the smoothness and strong bond between the board and the board to squeeze tight, not a mortar seam, the gap between the parts or not, is the formation of cold bridge. The polystyrene board at the entrance of the door and window is not allowed to be pieced together with broken boards. The whole board is to be cut, and the doors and windows of the doors and windows are additionally marked with mesh In the window opening requirements of paste board pressure panel, which means to avoid the surface appear perpends. 4, grinding Polystyrene board joints at the surface is not normal, need to be lined with sand coated sand paper. 5, with the mortar again With the trowel mortar evenly wipe the polyphenyl plate, thickness control between 1-2mm, with no leakage. 6, buried mesh cloth Doors and windows - the four angle required to add a layer of mesh cloth was strengthened, mesh size is 300mm * 200mm, big wall paste mesh cloth lap in strengthening the mesh around the window on the door, buried in the bottom of the polymer mortar in paste. The grid cloth bending side is placed in the inside, the left and right overlap width of the grid cloth is 80mm, and the width of the upper and the lower lap joints is 100mm, and no dry lapping is allowed. ? in the wall, yin and Yang corner, must be from both sides of the wall buried with grid cloth, two-way angle around and overlap each other, each interface overlap width of not less than 200mm. 7, plastering mortar The thickness of plaster to cover the mesh and mesh mark does not appear to prevail, while controlling the total thickness of mortar in between 3-4mm. The plastering mortar construction should choose the construction and construction of 24h after no rain weather, avoid rain erosion caused by rework. The grid cloth will be disconnected at the reserved hole position, and the lap length of the mesh shall be taken into consideration.