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来源: 日期:2022-09-01 发布人:juyehe

Appropriate admixtures such as fly ash and diatomite are added to the cement or lime mortar to save the cement or lime consumption and improve the workability of the mortar. The following editor will introduce how to use Jinan plastering mortar.
1. Plastering mortar base course treatment: clean the sundries on the bottom of the slab or the plastering surface of concrete and blocks. For reinforced concrete, remove the protrusions on the concrete, and clean the residual sponge strips or adhesive tapes at the formwork joints. Remove the floating dust on the base and spray it with water in advance to make it wet. At the same time, the floor of the construction site shall be cleaned to facilitate the cleaning of the floor insulation mortar generated during plastering after plastering.
2. Apply the big flag interface agent or roughen the surface of the cleaned base layer with the interface agent or roughen it. Apply 3-4mm thick plastering mortar along the joint between the reinforced concrete and the aerated concrete. Then press the 400 wide alkali resistant mesh cloth with a width of 200 on each side. The surface is plastered with the plastering mortar. Then apply the coating agent or roughen it.
3. The thickness control point of plastering mortar paste is set with thermal insulation mortar, with the size of 20 * 20 and the thickness of the required thermal insulation layer. The distance between the control points of thermal insulation layer thickness should be within 1.5m.
4. Thermal insulation mortar layer by layer
(1) Mixing materials: manually mix the thermal insulation mortar: water = 1:1 (weight) to form a paste. According to the climate and temperature, the workability can be controlled by yourself, and the mixture can be used at any time.
(2) Apply thermal insulation mortar. It is required that the thickness shall not be more than 1.5cm, and it shall be compacted with rough surface left on the surface.
(3) After the initial setting of the second layer is formed (steel wire mesh is added), the third layer shall be coated with a thickness of no more than 2cm. Note: the next layer is generally applied at an interval of 24, leaving a rough surface between layers.
(4) When the plastering mortar is applied in layers, it shall be pressed moderately to ensure that there is a gap between layers Effective bonding, but cannot be plastered and pressed back and forth at the same position. In case of any bulge during coating, it shall be removed and repaired in time. Plastering mortar
5. Laying alkali resistant glass fiber mesh
When the surface of thermal insulation mortar is polished, the alkali resistant glass fiber mesh cloth shall be directly pressed on the material surface with a trowel, and the surface shall be polished at the same time. It is strictly prohibited to omit laying. The alkali resistant glass fiber mesh cloth shall be laid flat and without wrinkles, and shall be overlapped in sequence, with the overlapping width of 30-50mm; When laying the outer eaves, the overlapping width is 80-100mm; 100mm wide alkali resistant glass fiber mesh cloth shall be pressed and pasted at the external corner and insulation joint.
Note: when the temperature exceeds 30 ℃ during construction, it shall be used within 3 hours after mixing. In order to facilitate batching and reduce the workload of cutting and sawing during construction, the design of block arrangement shall be carried out during construction. For more information, please visit our website Consult and understand!