Elastic modified asphalt waterproofing membrane plays an important role in waterproofing engineering
Elastic modified asphalt waterproofing membrane (usually also known as SBS modified asphalt waterproofing membrane)
Release time:
2024-09-26
Source:
Elastic modified asphalt waterproofing membrane (usually also known as SBS modified asphalt waterproofing membrane) and plastic modified asphalt waterproofing membrane are two common building waterproofing materials that play an important role in waterproofing engineering. The following is a detailed introduction to these two types of waterproofing membranes:
Elastic modified asphalt waterproofing membrane
1. Definition and Characteristics
*Definition: Elastic modified asphalt waterproofing membrane is a high-performance waterproofing material made by coating styrene butadiene styrene (SBS) rubber modified asphalt with fiberglass felt, polyester felt, and fiberglass reinforced polyester felt as the base material, and covering both sides with isolation materials.
** * Characteristics * *: It has the advantages of heat resistance, cold resistance, corrosion resistance, aging resistance, good thermoplasticity, large tensile resistance, high elongation, strong tear resistance, etc.
2. Purpose
*Suitable for waterproof protection projects in industrial and civil buildings such as roofs, basements, walls, bathrooms, pools, waterways, subways, caverns, highways, bridges, and airport runways.
*Suitable for anti-corrosion protection of metal containers and pipelines.
3. Classification and specifications
*According to the tire base, it is divided into polyester felt (PY), fiberglass felt (G), and fiberglass reinforced polyester felt (PYG).
*According to the surface isolation material, it is divided into polyethylene film (PE), fine sand (S), and mineral granules (M).
*Bottom surface isolation material: made of fine sand (S) and polyethylene film (PE).
** * According to material properties * *: divided into I-20 ℃ type and II-25 ℃ type.
** * Specification * *: The nominal width of the coil is 1000mm; The nominal thickness of polyester felt roll is 3mm, 4mm, and 5mm; The nominal thickness of fiberglass felt roll is 3mm and 4mm; The nominal thickness of fiberglass reinforced polyester felt roll is 5mm.
4. Construction methods
*Hot melt method: unfold the coil according to the marked line and align it evenly. Use a liquefied gas spray gun to move and bake the bonding surface with high heat until the surface turns black and shiny, and a molten layer appears. Quickly push the coil with your feet for bonding, and compact it with a pressure roller.
*Cold bonding method: using adhesive or mastic to bond the coil to the base surface or coil to coil.
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