EPDM waterproof membranes

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EPDM Rubber Waterproofing membranes

Products Description

EPDM Rubber Waterproofing membranes is a synthetic rubber, synthetic tire blends as the base

material, adding reinforcing agents, softeners, antioxidants, curing agents processing aids to promote

mixing by kneading, mixing, extrusion, rolling and curing, shaping and other processes can be

processed into sheet curling volume of new high elastic waterproof material.

Products Specification

Category: Single, Compound and Reinforced
Thickness: 1.2mm 1.5mm 2.0mm
Width: 1-2m
Length: 10-50m

Physical Properties

EPDM Rubber Waterproofing membranes physical propertites

The item name					Applicable test items
（N/cm） Tension Strength （MPa）	Normal temperature≥		7.5		GB6.3.2
	60℃≥		2.3
Elongation at break%	Normal temperature≥		450
	－20℃		200
Tear strength N	≥		25		GB6.3.3
（0.3Mpa.30 min）Water tightness			No seeage		GB6.3.4
Flexibility at low temperature ≤			－40		GB6.3.5
Heat expansion (mm)		Extended ≤		2	GB6.3.6
		Contraction ≤		4
（80℃×168h） Hot air ageing		Fracture tensile strength retention %≥		80	GB6.3.7
		Keep rate tore elongation %≥		70
Alkaline ［10%Ca(OH)2 Normal temperature×168h]		Fracture tensile strength retention %≥		80	GB6.3.8
		Keep rate tore elongation %≥		80
（40℃×168h）,200×10-8 Ozone aging				—	GB6.3.9
Artificial climate ageing		Fracture tensile strength retention %≥		80	GB6.3.10
		Elongation at failure rate		70
Bond peel strength		Standard test condition		1.5	GB6.3.11
		Flood retention（Normal temperature×168h） %≥		70

Application Range

Mainly used in all types of Industrial and civil buildings roofing, office buildings, supermarkets, steel roofing, basements,

tunnels, bridges and other impermeable, waterproof construction.

Q:Can a waterproofing membrane be used for tunnels or subway systems?: Yes, a waterproofing membrane can be used for tunnels or subway systems. It is a common practice to use waterproofing membranes in underground structures to prevent water infiltration and protect the structural integrity of the tunnels or subway systems. These membranes are designed to provide a barrier against water, ensuring the safety and longevity of the underground infrastructure.

Q:How is a waterproofing membrane installed?: A waterproofing membrane is typically installed by first preparing the surface, such as cleaning and removing any debris. Then, a primer or adhesive is applied to the surface to ensure proper adhesion. The membrane is then rolled or laid out onto the surface, ensuring it is properly aligned and overlapping seams to prevent any potential leaks. The membrane is then pressed down firmly to remove any air bubbles and ensure a secure bond. Any additional layers or coatings may be applied as necessary.

Q:Can a waterproofing membrane be used on gypsum block surfaces?: Yes, a waterproofing membrane can be used on gypsum block surfaces. Gypsum blocks are porous materials that can absorb moisture and are not naturally waterproof. Applying a waterproofing membrane can help to prevent water infiltration, moisture damage, and mold growth on the gypsum block surfaces. It creates a barrier that repels water and prevents it from seeping into the material. However, it is important to ensure that the waterproofing membrane is suitable for use on gypsum blocks and is compatible with the specific type of gypsum block being treated. Additionally, proper surface preparation and application techniques should be followed to ensure the effectiveness and longevity of the waterproofing membrane.

Q:Does a waterproofing membrane require any specific preparation of the substrate before installation?: Preparation of the substrate is essential for the installation of a waterproofing membrane. Before applying the membrane, the surface on which it will be placed must be thoroughly cleaned, dried, and devoid of any contaminants or debris that could impede its adhesion. This process typically entails the removal of loose materials, such as old paint or sealants, and the leveling of any uneven surfaces. Furthermore, it may be necessary to repair any cracks or damage in the substrate to guarantee a proper and efficient installation of the waterproofing membrane. By following the recommended preparatory procedures, one can ensure that the membrane performs optimally and exhibits remarkable durability, effectively safeguarding the underlying structure against water infiltration.

Q:How does a waterproofing membrane handle movement or settling of the structure?: The movement or settling of a structure can be accommodated by a waterproofing membrane in several ways. To begin with, the membrane is typically designed to be flexible and elastomeric, allowing it to stretch and move along with the structure. This flexibility prevents any cracking or tearing, ensuring that the membrane remains intact and capable of keeping water out, even when the building experiences minor shifts or settlements. Moreover, certain waterproofing membranes are equipped with built-in reinforcing materials such as polyester or fiberglass. These reinforcements provide extra strength and durability, enabling the membrane to withstand potential damage caused by movement, settling, or even structural vibrations. Furthermore, many waterproofing systems incorporate expansion joints or movement joints into the structure. These intentionally created gaps or spaces allow for natural movement. These joints are then sealed using flexible materials that are compatible with the waterproofing membrane. This ensures that the membrane can accommodate the expected movement or settling within these joints, preventing any leaks or damage to the water barrier. In conclusion, a waterproofing membrane is designed to handle movement or settling of a structure by being flexible, elastomeric, and capable of stretching without tearing. Additionally, the inclusion of reinforcements and the incorporation of expansion joints further enhance the membrane's ability to accommodate movements and maintain its effectiveness as a waterproof barrier.

Q:Can a waterproofing membrane be installed on wood surfaces?: Yes, a waterproofing membrane can be installed on wood surfaces. Waterproofing membranes are commonly used on various surfaces including wood, concrete, and metal. When applied to wood surfaces, the membrane acts as a protective barrier, preventing water from seeping into the wood and causing damage such as rot, warping, or decay. It is important to choose a waterproofing membrane that is specifically designed for wood, as some products may not be suitable for this surface. Additionally, proper surface preparation and application techniques should be followed to ensure a strong and effective bond between the membrane and the wood surface.

Q:Can a waterproofing membrane be used on tunnels with water drainage systems?: Tunnels with water drainage systems can indeed utilize a waterproofing membrane. The purpose of this membrane is to create a protective barrier against water infiltration and effectively prevent any leakage into the tunnel. However, it is crucial to ensure that the waterproofing membrane is compatible with the specific water drainage system in place. The installation of the membrane must be done in a manner that does not hinder or disrupt the functioning of the drainage system. Moreover, it is important to carefully consider the design and installation of the drainage system to ensure efficient water management and avoid any potential complications that may compromise the effectiveness of the waterproofing membrane. By carefully planning and executing the installation, a waterproofing membrane can effectively uphold the overall integrity and durability of tunnels with water drainage systems.

Q:Can a waterproofing membrane be used on roofs with rooftop gardens?: Indeed, rooftops with gardens can benefit greatly from the utilization of a waterproofing membrane. Employing a waterproofing membrane is strongly advised as it shields the foundational framework from harm caused by water. Given that a rooftop garden contributes additional weight and moisture to the roof, it is imperative to have a reliable waterproofing system in place to avert leaks and guarantee the roof's durability. The waterproofing membrane serves as a safeguard against water infiltration, effectively maintaining dry conditions for both the rooftop garden and the underlying structure.

Q:Can a waterproofing membrane be used for a planter box wall?: Yes, a waterproofing membrane can be used for a planter box wall. The membrane will help to prevent water from seeping into the wall, which can cause damage over time. Additionally, it will also help to protect the wall from moisture-related issues such as mold or mildew.

Q:Can a waterproofing membrane be used in basements and foundations?: Yes, a waterproofing membrane can be used in basements and foundations. In fact, it is often recommended to install a waterproofing membrane in these areas to protect against water penetration and moisture issues. The membrane is typically applied to the exterior side of the foundation walls and basement floors, forming a barrier that prevents water from seeping through the concrete. This helps to keep the basement and foundation dry, reducing the risk of water damage, mold growth, and structural issues. Waterproofing membranes are available in various types, such as bituminous, rubberized asphalt, and liquid-applied membranes, allowing for flexibility in choosing the most suitable option based on the specific requirements of the project. Overall, installing a waterproofing membrane is an effective way to enhance the longevity and durability of basements and foundations.

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