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Root puncture resistant waterproofing membrane

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One type of PVC double-sided composite anti root puncture waterproof roll is made of copper tire base and chemical raw materials as the root blocking waterproof layer. It has long-term resistance to plant root (or rhizome) puncture, strong adhesion, good stability, low temperature flexibility and heat resistance, strong chemical corrosion resistance and radiation resistance. It still exhibits good root blocking waterproof performance for more than 20 years.

Material characteristics

1. It has dual functions of waterproofing and preventing plant roots from penetrating, and can withstand plant root piercing, maintaining its waterproof function for a long time;

2. It not only prevents root puncture, but also does not affect the normal growth of plants;

3. It can form a high-strength waterproof layer, with strong resistance to water pressure, and is resistant to puncture, cracking, tearing, and fatigue;

4. High tensile strength, thick asphalt coating layer, strong adaptability to base shrinkage deformation and cracking;

5. Excellent high and low temperature resistance, suitable for both hot and cold regions;

6. Good corrosion resistance, mold resistance, and weather resistance;

7. Hot melt method construction is convenient and the hot joints are reliable and durable.

Material type

According to the Technical Regulations for Planting Roofs JGJ155-2007, root puncture resistant waterproof materials are divided into the following categories, and their corresponding performance indicators are as follows:

1、Table of Main Physical Properties of Alloy Waterproof Membrane

Roll thickness	tensile strength	Elongation	impact resistance	Low temperature resistance
0.5mm	≥20Mpa	30%	No cracks or perforations	-30 ℃ Φ 20 round rod without cracks

2Copper powder and polyester felt composite copper tire baseSBSModified asphalt waterproofing membrane; Composite copper tire baseSBSTable of Main Physical Properties of Modified Asphalt Waterproofing Membrane

Roll thickness	tensile strength	Elongation	Heat resistance	Low temperature resistance	Root puncture resistance test
≥4mm	800N/5cm	40%	115℃	-35℃	qualified

3、Copper foil tire SBS modified asphalt waterproofing membrane;Copper foil tireSBSTable of Main Physical Properties of Modified Asphalt Waterproofing Membrane

Roll thickness	Impermeability Mpa	High temperature resistance	Heat resistance	tensile strength	Shear strength N/mm
≥4mm	0.3 Hold time 30 minutes	100℃	-25℃	>600N/50mm	4.0

.4、SBSModified asphalt anti root waterproofing membrane; 《SBSTable of Main Physical Properties of Modified Asphalt Anti Root Waterproof Membrane

thickness	tensile strength	Elongation	Heat resistance	Low temperature resistance	Impermeability Mpa	Root puncture resistance test
4 mm	800N/5cm	30%	90℃	-30℃	0.3Mpa30min	qualified

5、APPModified asphalt anti root waterproofing membrane; 《APPTable of Main Physical Properties of Modified Asphalt Anti Root Waterproof Membrane

Roll thickness	tensile strength	Elongation	Heat resistance	Resistant to low humidity	Impermeability for 30 minutes	Root puncture resistance test
4mm	800N/5cm	30%	110℃	-15℃	0.3Mpa	qualified

6Polyethylene tire high polymer modified asphalt waterproofing membrane; Main Physical Properties Table of Polyethylene Tire Polymer Modified Asphalt Waterproof Roll Material

Roll thickness	tensile strength	Elongation	Heat resistance	Low temperature resistance	Impermeability	Tire body thickness
4mm	500N/5cm	300%	110℃	-25℃	0.3Mpa	0.6mm

7. Polyvinyl chloride waterproofing membrane (PVC) (with a film thickness of ≥ 0.65mm, a regular waterproof layer should be applied underneath, and the inner reinforcement type with a thickness of 1.5mm can be used as a single layer). Main Physical Properties Table of Polyvinyl Chloride Waterproof Membrane

Roll thickness	tensile strength	Elongation	Dimensional change	Low temperature bending rate	Root puncture resistance test
1.5mm	10Mpa	180%	0.2%	-25℃	qualified

8High density polyethylene geomembrane（HDPE）； Main Physical Properties Table of High Density Polyethylene Geomembrane

Roll thickness	tensile strength	Elongation	Puncture resistance	Dimensional change	Root puncture resistance test
1.5mm	25Mpa	500%	100N	3%	qualified

9Aluminum tire polyethylene polypropylene composite waterproofing membrane; Main physical properties table of aluminum tire polyethylene polypropylene composite waterproofing membrane

Roll thickness	tensile strength	Elongation	Dimensional change	Low temperature bending rate	Root puncture resistance test
1.2mm	80Mpa	100%	3%	-25℃	qualified

10Polyethylene polypropylene waterproofing membrane, polymer cement bonding material composite root puncture resistant waterproof layer. Polyethylene polypropylene waterproofing membrane must be produced in one molding process, and the core material thickness should be greater than0.6mmTable of Main Physical Properties of Polyethylene Polypropylene Waterproof Roll Material－1》

Roll thickness	tensile strength	Elongation	Low temperature bending rate	Root puncture resistance test
0.9 mm	60N/cm	400%	-25℃	qualified

11Table of Main Physical Properties of Polymer Cement Cementitious Materials－2》

Bonding strength with cement base	Cutting state	impermeability	compressive strength	thickness
≥0.4Mpa	1.8~2.0N/mm	7d, 1Mpa	7d, 9Mpa	1.3mm

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