The end of the facade coiled material shall be fixed with a metal strip, and then sealed with coiled material sealing paste.
Base course treatment: clean the surface first, and the base course shall be solid, flat and clean; The base course treatment agent shall be applied evenly, and it is required not to expose the bottom and omit the coating; The coiled material can be paved after the surface is dry.
The overlap of upper and lower coiled materials shall be measured by the overflow of asphalt strip.
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After the cement mortar is mixed evenly, it is scraped and coated on the base course.
Vertical elevation: full bonding method is adopted for construction of coiled material and base course, coiled material and coiled material.
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Base course treatment: the base course shall be solid, flat, dry, clean and free of sand, dust and oil stain.
Fixing Socket Cross Pin Nail Plate
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Large surface construction: lift the coiled material to the predetermined position to be paved, pre spread the coiled material, fully release the stress, align the reference line, lift up the isolation film on the bottom of the coiled material, fix one end of the coiled material, and then roll the coiled material to both sides and the front with a pressure roller while pushing the coiled material.
When unfolding, untie the isolation material and lay it from low to high.
Adjacent short edge joints shall be staggered by more than 1m; During the construction of long side joints, remove the reserved isolation tape at the self-adhesive edge of the joint, and directly paste it aligned with the paste mark line; Then use special sealing paste to end the reinforced seal..
▲ shaanpu waterproof ▲ Beijing silver pearl blue arrow ▲ Jinxing waterproof ▲ Xinghe environmental protection siphon drainage system hot melt method hot melt method refers to the construction method of using flame heating to melt the hot melt adhesive at the bottom of the hot melt waterproof coiled material for bonding.
Before construction, the base course shall be inspected and accepted.
Construction of protective isolation layer: after the coiled material is paved and passed the inspection, the surface of the waterproof layer shall be cleaned, protective measures shall be taken for the waterproof layer, and the construction of the waterproof protective layer shall be carried out according to the design requirements.
Large area construction: non curing coating shall be used for composite construction of hot adhesive waterproof coiled materials, and the thickness of non curing coating shall meet the requirements of relevant specifications; Roll and lay waterproof coiled material while brushing non curing coating.
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When the asphalt on the surface of the coiled material is bright to the molten state, roll the coiled material while baking, and then roll it with a roller to make it firmly bonded with the base course.
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After meeting the requirements, it shall be cleaned and cleaned.
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Large surface construction: horizontal surface: after the base treatment agent is dry, the line shall be snapped in time, the coil shall be opened for pre paving, the stress shall be fully released, and then the coiled material shall be paved.
The lap joint of upper and lower coiled materials shall be measured by overflowing hot melt modified asphalt, with a width of about 3-5mm and uniform and straight.
The uneven and cracked parts shall be filled with mortar.
▲ blue ocean waterproofing ▲ Jiayuan machinery ▲ rain in love waterproofing ▲ three trees waterproofing ▲ alpha waterproofing ▲ Taiwan Shenglong according to the statistics of China’s building waterproof material product structure in 2020, waterproof coiled materials account for more than 60%, and waterproof coiled materials have become the main waterproof materials in waterproof projects.
Closed water test: the closed water test shall be conducted according to the requirements of the construction scheme.
▲ Keyu waterproof ▲ Sichuan Tongshen ▲ Longxiang waterproof ▲ Xincheng waterproof self-adhesive method self adhesive method refers to the construction method of bonding waterproof coiled materials with self-adhesive without hot construction or coating cementing materials.
Large surface construction: open the coiled material to release the stress, and lay the coiled material first according to the plane snapping position; Use hot-melt tools to bake the lower surface of the coiled material and the surface of the base course.
When pasting, fix the starting end first and then spread it gradually.
The common paving methods of waterproof coiled materials include hot melt method, hot adhesive method, self-adhesive method, wet paving method, pre paving method, etc.
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Additional layer construction: internal and external corners, pipe roots, eaves gutters, deformation joints and other parts shall be treated with additional layers, and the coiled materials shall be cut into appropriate sizes and shapes in advance.
An isolation layer is set between the coiled material waterproof layer and the rigid protection.
Joint pasting: cold self-adhesive method is adopted for the joint of coiled material.
Closed water test: the closed water test shall be conducted according to the requirements of the construction scheme.
Additional layer construction: internal and external corners, pipe roots, eaves gutters, deformation joints and other parts shall be treated as additional layers, and coiled materials with pre cut sizes and shapes shall be paved on the base course.
Detailed node treatment: after the base treatment agent is dried, the parts requiring additional waterproof layer shall be treated in time according to relevant specifications or design requirements.
It is recommended to use ordinary portland cement with strength grade of 42.5.
In general, the coiled material of additional layer shall be fully adhered to the base course, and the parts with concentrated stress shall be laid empty according to the specifications.
Base course treatment: clean the surface first, and the base course shall be solid, flat and clean.
Therefore, the construction of waterproof coiled material is particularly important.
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The actual water amount needs to be adjusted on site in combination with the humidity of the base course.
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Construction of protective isolation layer: the outer surface of waterproof layer shall be provided with protective layer according to relevant specifications or design requirements.
Painting of base course treatment agent: before paving the coiled material, the base course treatment agent shall be painted evenly and completely covering all the parts of the coiled material to be pasted, without omission and accumulation.
▲ dibangsheng waterproof ▲ Yushen waterproof Group ▲ zhongjianyou waterproof ▲ Jingshi waterproof hot bonding method hot bonding method refers to the composite construction method of hot bonding waterproof coiled material with non curing coating.
Wet paving method wet paving method refers to the construction method that the wet paving waterproof coiled material used for non exposed waterproof works is bonded with the base course with plain cement slurry or cement mortar.
Base course treatment: the base course shall be solid, flat, clean and free of sand, dust and oil stain.
If necessary, it shall be cleaned with a vacuum cleaner or high-pressure dust blower.
For details that are not easy to stick, blowtorch or other heating equipment should be used for auxiliary heating construction.
The coiled material shall be bonded with the base course by cement mortar: when cement mortar is used, the amount of rubber powder shall be 3% – 5% of the cement weight; When cement mortar is used, the ratio is cement: medium sand =1:2.
The materials of the isolation layer can be low-quality asphalt coiled material, plastic film, paper reinforced mortar, etc.
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Lap joint treatment: the lap joint area of coiled materials shall be sealed separately, and the hot-melt method shall be used for construction.
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However, no matter how good the waterproof coiled material is, improper construction will also lead to the failure and leakage of the waterproof layer.
Lap joint treatment: the lap joint width of coiled material shall be 100mm, the lap joint area of coiled material shall be sealed separately, and the hot melt method shall also be used for construction.
Construction of protective isolation layer: the outer surface of waterproof layer shall be provided with protective layer according to relevant specifications or design requirements.
