How should the roofing felt be stored before installation?

Store rolls upright in a dry location and never install when wet or over a wet roof deck.

What is the saturation percentage of the felt?

Saturation ranges from a minimum of 100% to 150% by weight depending on the specific type.

What are the installation requirements for different roof slopes?

For slopes up to 33%, use double layers with 19-inch headlap. For slopes 33% or greater, use single layers with 4-inch headlap.

Durable 30lbs Black Building Paper for Asphalt Roofing Projects

Name: Durable 30lbs Black Building Paper for Asphalt Roofing Projects
Brand: Cangzhou Jiansheng Building Waterproof Material Co., Ltd.
SKU: 2147069495

Hebei, ChinaCangzhou Jiansheng Building Waterproof Material Co., Ltd.

US$6.80-19.00

200 Rolls

Sample price:US$0.50/piece.Request sample

Product profile

Customization

Available

Product Name

Asphat Saturated Organic Roofing Felt

Raw Material

Raw Paper, Asphalt

Model NO.

ASTM series

Usage

Waterproof, Damproof

Where to Use

Roof Deck, Wall, Floor

Width

36in

Length

72FT or 144FT

Thickness

0.2mm---1.2mm

Roll Weight

8kg---28kg

Roll Coverage

216sq.FT or 432 Sq.FT or Customized

Watertightness

Transmission

Application

Pitched

Saturation

120%

Advantage

Cheap Price

Transport Package

Packed in Rolls with Pallet

Specification

36in*72 ft 36in*144ft or customized

Trademark

Jianda

Origin

Cangzhou China

HS Code

4811100000

Production Capacity

50000 Rolls /Month

Key features

High Tear Strength: Features heavy organic mat with high asphalt saturation for excellent tear resistance.

Multiple ASTM Standards: Available in ASTM D-4869 15#, 30# and ASTM D-226 15#, 30# types.

Customizable Roll Coverage: Roll coverage options include 216 sq.ft, 432 sq.ft, or fully customized sizes.

Superior Saturation: Fully saturated with waterproofing asphalt, with saturation up to 150% by weight.

Versatile Application: Ideal for pitched roofs, walls, and floors as underlayment beneath shingles or tiles.

OEM and ODM Services: Offers full customization, minor customization, and flexible customization options.

Cost-Effective Solution: Provides a cheap price option for durable asphalt roofing felt projects.

Professional Manufacturer: Established in 2003 with advanced production lines and annual capacity of 8 million sqm.

Company profile

Exhibition ExperienceImporters and ExportersHigh Repeat Buyers Choice

Cangzhou Jiansheng Building Waterproof Material Co., Ltd.

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤4.88h

AI-Powered supplier vetting

SummaryThe supplier is a combined manufacturing and sales company focused on lightweight and higher-grade building waterproof materials, including SBS and APP modified bitumen membranes, polypropylene, and PE polyester products. It reports domestic production lines, annual capacity of 8 million square meters, and a quality assurance system. The supplier supports extensive product customization and has exported for eight years, with exports representing 51%–70% of total sales. However, service, corrective-action, complaint-handling, supplier-assessment, and traceability processes lack written procedures or records. It has no SDK, overseas warehouse, showroom, overseas agent or branch, and does not provide OEM services for popular brands. Financial information is limited to stated years without performance values, while environmental and fire-drill statuses are unknown.

Supplier typeThe supplier is identified as a combined company engaged in manufacturing and sales of lightweight waterproof materials, waterproofing and insulation construction services, and import/export activities. Its stated product range includes SBS and APP modified bitumen membranes, polypropylene, and PE polyester materials.

After-Sales capabilityThe supplier has eight years of export experience, accepts common trade quotation terms, and reports one-month lead times in both peak and off-season periods. However, it has no written procedures or records for complaint handling, corrective and preventive actions, or service-capability assessment, and has no overseas warehouse, showroom, agent, or branch.

Production capacityThe supplier reports domestically advanced production lines, advanced equipment, a quality control system, and annual production capacity of 8 million square meters. Quality control resources include one inspection staff member and five test-equipment units; these stated facilities and capacity provide explicit evidence of production capability.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. Its R&D engineer is assigned to customize products based on customer needs, directly supporting a broad customization capability.