SF integrated waterproof construction process
*Construction process
First, the preparation method of SF anti-aqueous solution: a 700 g of SF concentrated material is placed in an iron pot containing 3 kg of clean water, boiled, thoroughly dissolved, and then added to a cold water of 97 kg for 10 minutes. . Note: Stirring is not allowed during stationary.
Second, screed construction process
1. Material mix ratio: cement: sand: perlite: anti-aqueous solution = 1:2:0.2:1
2. Stirring of materials (manual): Put the cement, sand and perlite which are strictly measured according to the mixing ratio, and dry and stir three times, then add the anti-aqueous solution measured by the mixing ratio to the evenly mixed dry material. Medium, repeated wet stirring three times, check whether the material is evenly mixed, whether the slump degree meets the requirements of the specification, the indicators are qualified, and the SF polymer cement waterproof mortar material is stirred;
3. Leveling construction: leveling layer 20mm thick, spread the evenly mixed SF polymer cement waterproof mortar on the treated base layer, then scrape it with a scraper, use a wooden trowel to press it twice, and finally use iron Sub-compact trowel.
Third, the insulation layer construction process
1. Material mix ratio: cement: perlite: anti-aqueous solution = 1:1.8:2
2. Stirring of materials (manual): Put the cement, sand and perlite which are strictly measured according to the mixing ratio, put them together repeatedly, stir dry three times, and then add the SF anti-aqueous solution measured by the mixing ratio to the evenly mixed dry. In the material, repeat the wet stirring three times to check whether the material is evenly mixed, whether the slump degree meets the requirements of the specification, the indicators are qualified, and the SF polymer cement perlite insulation material is stirred;
3, insulation layer construction: the thickness of the insulation layer is 90mm. The construction team technicians carry out the line to find the slope according to the drainage slope designed by the drawings, and punch the ribs to check the points. After the on-site workman's inspection is correct, they shall be reported to the supervisor for acceptance. After the acceptance is passed, the insulation layer is constructed, and the evenly mixed SF polymer cement perlite insulation material is spread on the leveling layer, laminated with iron roller, and then scraped with a scraper.
Fourth, waterproof layer construction process
1. Material mix ratio: cement: sand: perlite: anti-aqueous solution = 1:2:0.5:1.3
2. Stirring of materials (manual): Put the cement, sand and perlite which are strictly measured according to the mixing ratio, put them together repeatedly, stir dry three times, and then add the anti-aqueous solution measured by the mixing ratio to the evenly mixed dry materials. Medium, repeated wet stirring three times, check whether the material is evenly mixed, whether the slump degree meets the requirements of the specification, the indicators are qualified, and the SF polymer cement waterproof mortar material is stirred;
3. The waterproof layer is 30mm thick. Spread the evenly mixed SF polymer cement waterproof mortar on the insulation layer, then scrape it with a scraper, press it twice with a wooden trowel, and finally smear with an iron trowel.
V. Waterproof protective layer construction process
1. Material mix ratio: cement: sand: perlite: anti-aqueous solution = 1:2:0.2:1
2. Stirring of materials (manual): Put the cement, sand and perlite which are strictly measured according to the mixing ratio, and dry and stir three times, then add the anti-aqueous solution measured by the mixing ratio to the evenly mixed dry material. Medium, repeated wet stirring three times, check whether the material is evenly mixed, whether the slump degree meets the requirements of the specification, the indicators are qualified, and the SF polymer cement waterproof mortar material is stirred;
3, the thickness of the waterproof protective layer is 20mm, and the waterproof layer is paved after the initial condensation of the waterproof layer. The SF polymer waterproof mortar is evenly spread, the thickness is 10 mm, and a layer of glass fiber mesh is added on the surface. The wooden trowel was compacted, and then a layer of 10 mm SF polymer waterproof mortar was spread, smoothed with a scraper, flattened with a wooden trowel, and compacted with an iron trowel.
Sixth, the joint construction process
1. The split joint has a two-way center distance of 3m and a slit width of 10 mm.
2. The divisional joint has a two-way center distance of 1m and a slit width of 10 mm plastic grid (Great Wall Standard).
3, the construction process: first use the ink fountain according to the design requirements in the initial condensation of the waterproof protective layer on the elastic line, and then select the straight plastic grid bar along the elastic ink line for inlay. When inlaying, use a wooden trowel to press the plastic strip into the waterproof protective layer, and then clean the scattered objects that fall into the gaps.
Seven, detailed practice construction process
1. Negative angle treatment: All the female corners are rounded (R ≥ 100mm).
2, the daughter wall: clean the daughter's wall facade, carry out the brushing treatment, and then use SF polymer cement waterproof mortar to wipe the 10mm thick and leveling layer to form a unified whole, and finally wipe the insulation layer and waterproof layer after 10 The mmSF polymer cement waterproof mortar forms a uniform whole with the waterproof protective layer.
3. Before the roofing of the roof, the SF waterproof mortar must be smeared along the circumference of the roof. The thickness of the hole is 15mm. The length of the façade and the plane is 200mm, and then the SF waterproofing and pouring roof is made. Organic whole.
4. Rainwater outlet: After the raindropping tube is unblocked, apply 100mm deep SF waterproof mortar along the inner side of the rainwater inlet, then wipe the 200mm high SF waterproof mortar around the rainwater inlet and finally form an organic whole with the SF waterproof material. .
5. Construction joint: The construction joint can not be kept straight, and the length of the reserved cross-section should not be less than 200mm. When the construction is continued, the cement slurry mixed with SF anti-aqueous solution should be brushed on the construction joint before construction can be carried out.
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