Recently, as the requirements for the performance of roofing materials in the construction industry continue to increase,

a synthetic roofing underlayment with high strength and exceptional tear resistance has attracted widespread attention.

Its unique design and performance advantages have brought a new solution to roof protection.

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Innovative Fiber Structure Enhances Strength

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Many synthetic underlayment products adopt an innovative fiber structure design. By adding high - density fiber grids,

such as HDPE grids or high - strength PP fibers as reinforcing materials, the tensile strength and tear resistance of these

underlayments have achieved a qualitative leap, far exceeding traditional asphalt felts. Data shows that the tensile strength

of some underlayments can reach several hundred pounds - force (lbf), and the tear resistance is between 20 - 50 lbf,

providing extremely strong mechanical support for the roof and greatly enhancing the stability of the roof.

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Effectively Resists Installation Damage

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During the roof installation process, underlayments face many challenges. Situations such as tool scratches, nail

punctures, foot ，and material handling friction occur frequently. The new synthetic membrane, with its special

molecular structure, demonstrates excellent resistance to installation damage. Even if it suffers minor damage, it

can effectively prevent the damage from expanding into large tears, greatly reducing the risk of damage to the

integrity of the roof underlayment during the construction phase and ensuring installation quality and efficiency.

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Copes with Extreme Environments and Pressures

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Under extreme weather conditions such as strong winds and hurricanes, as well as on roofs with frequent maintenance

personnel traffic, the roof substrate will bear significant tension and shear forces. The new synthetic underlayment can

still remain intact under such stresses and continue to play its protective role, enhancing the stability of the entire roof.

This characteristic not only provides reliable protection for buildings but also reduces the cost and risk of later maintenance.

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This synthetic roofing underlayment with high strength and exceptional tear resistance, with its advantages in all aspects,

is gradually changing the pattern of the roofing material market and bringing new development opportunities to the

construction industry.​