What is the warranty period?

The product is warranted for 6 months of UV (ultraviolet) resistance.

What is the delivery time?

Delivery takes 20-30 days after receiving the T/T advanced payment. Peak season lead time is one month, and off-season is within 15 workdays.

What are the product specifications?

The underlayment is Black, made of PP with LDPE film coating. Density ranges from 100g/m2 to 300g/m2. Standard width is 1.5m and length is 50m, both customizable.

Kingway Waterproofing Synthetic Roof Underlayment for Construction

Name: Kingway Waterproofing Synthetic Roof Underlayment for Construction
Brand: Nantong Kingway Complex Material Co., Ltd.
SKU: 2248180915

Jiangsu, ChinaNantong Kingway Complex Material Co., Ltd.

US$0.26-0.78

10,000 Pieces

Product specifications

Width Length

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Technical Supprot

Certification

ISO

Model NO.

NPP

Thickness

0.8mm

Application

Roof Protection

Width

1.5m, Customized

Length

50m, Customized

Transport Package

PE Bags

Specification

1.5m*50m

Trademark

KINGWAY

Origin

China, Jiangsu

HS Code

560314

Production Capacity

10000rolls

Key features

Superior Strength & Durability: Up to 2 times stronger than competitors, 25 times stronger than organic felt, and 2.5 times lighter.

Customized Dimensions: Width and Length are fully customizable to meet specific project requirements.

Waterproof Protection: Seals homes against water damage, moisture infiltration, mold growth, and rotting deck boards.

Eco-Friendly Material: Manufactured from post-industrial recycled materials and is 100% recyclable.

ISO & CE Certified: Qualified by ISO9001 quality management and CE standards for guaranteed product quality.

Fast Installation: Features pre-printed nailing patterns and overlap lines to speed up the installation process.

High Tear Strength: Offers a proprietary walking surface with high tear strength for heavy roof traffic.

Company profile

Product CertificationODM ServicesStandardized quality controlProduction Process Visualization

Nantong Kingway Complex Material Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤2.27h

AI-Powered supplier vetting

SummaryThe supplier demonstrates customization and ODM capabilities, has launched new products, and reports three R&D engineers. It holds CE and ISO9001:2015 certifications, maintains written procedures for finished-product inspection, supplier-service assessment, corrective actions, and complaint handling, and reports inventory capability. However, it does not provide 3D software design, has no overseas warehouse, showroom, agents, or branches, and offers services in zero stated countries. No valid manufacturing-capacity contract with related subcontractors is reported. Financial credibility cannot be established because the provided financial fields contain zero values or year labels without supporting performance details. No Fortune 500 customer or popular-brand OEM experience is reported.

CertificationsThe supplier reports CE product compliance certification and an ISO9001:2015 management-system certificate. These explicit certifications support compliance and quality-management capability.

After-Sales capabilityWritten procedures and followed records are reported for supplier-service assessment, corrective and preventive actions, and customer complaints. However, the supplier states zero countries with overseas services and lacks overseas agents, branches, warehouses, and showrooms, limiting evidence of broad localized support.

Financial creditThe provided financial information reports zero operating revenue, operating costs, gross profit, operating profit, and current-ratio values across the stated periods. These records do not establish financial strength or operating stability; they indicate a material lack of demonstrated financial performance.

R&D capabilityThe supplier reports new products during the past year, offers ODM services, and has three R&D engineers. It does not provide an SDK, and no evidence is provided of 3D software design capability.

Customization capabilityThe supplier explicitly offers customization from designs, customization from samples, full customization, minor customization, and ODM services. This is direct evidence of broad product customization capability, although 3D software design is unavailable.

Client casesThe supplier reports no collaboration with Fortune 500 companies and no OEM service for popular brands. Its documented external market activity is participation in the 2024 Uzbekistan International Hardware, Building Materials and Home Decor Products Exhibition, but no specific customer cases are provided.

Product Q&A

Q:Who are we?

We are based in Jiangsu, China, started in 2008, with 11-50 office staff. We sell to Eastern Europe, Southern Europe, Northern Europe, Western Europe, South Asia, Eastern Asia, Oceania, Central America, Southeast Asia, North America, South America, Africa, Domestic Market, and Mid East.

Q:How can you guarantee quality?

We always produce a pre-production sample before mass production and conduct a final inspection before shipment.

Q:What can you buy from us?

We offer Breathable Membrane, Reflection Breathable Membrane, Housewrap, Vapor Barrier, Heat Insulation Film, Roofing Membrane, and Synthetic Roof Underlayment.

Q:Why should you buy from us not from other suppliers?

We have first-class processing lines, first-grade quality management, ISO9001 and CE qualifications, and have exported to many countries including the USA, Canada, and Germany.

Q:What services can you provide?

We accept delivery terms like FOB, CFR, CIF, EXW; payment currencies USD, EUR, JPY, CAD, HKD, CNY; and payment types T/T, L/C, Credit Card, PayPal, Western Union, Cash. We speak English and Chinese.