BITUFLAT is a kind of flexible, polyester/fiberglass reinforced, multi-ply waterproofing sheet based on premium quality polymer bitumen compound modified, the top side surfaced with polyethylene film. AL film, colorful mineral sands or fine sand etc., and the bottom side surfaced with thermofusible polyethylene film, torched on or hot air application method should be approved.

membrane surfaced with colorful mineral slates or sand, commonly used for exposed flat roof project.
membrane surfaced with fine sand, commonly used for unexposed roof, foundation and bridge deck project.


membrane surfaced with PE film, commonly used for unexposed roof, foundation and bridge deck project.
surfaced with non-woven fabric, commonly used for unexposed roof, foundation andbridge deck project.

Choose the type you want:
Type | Thickness | Width | Length |
BITUFLAT PE/ML/SD/GF 3000 | 3 mm | 1 m | 10 m |
BITUFLAT PE/ML/SD/GF 4000 | 4 mm | 1 m | 10 m |
BITUFLAT PE/ML/SD/GF 5000 | 5 mm | 1 m | 7.5 m |




Suitable for industrial and civil building roof, basement, toilet, road, bridge, tunnel, grain depot, parking lot, swimming pool, artificial lake, anti-seepage canal, log cabin, roof garden, urban greening and other projects of waterproof, anti-seepage and moistureproof and asphalt roofing maintenance projects.


1.Substrate cleaning by broom or high pressure dusting machine
2.Apply primer.
3.Heat the downside membrane with high temperature flame gun.
4.Push the heated membrane forward on primer, make sure the overlap area no less than 10 cm.
5.Compact overlaps by a roller, firm and secure.

PENNINT is a leading and professional manufacturer of high-quality waterproofing products and related accessories. With a strong commitment to innovation and customer satisfaction, PENNINT has established itself as a trusted name in the industry.
PENNINT commits to be the one stop service platform of waterproofing systems. To achieve such goal, PENNINT produces large range of products and systems with latest technologies and standards, those ensure that PENNINT is always able to meet with customers' requirements.
As a tech-service oriented company, PENNINT has fully devoted into waterproofing industry and willing to create more value for the market.

Our factory boasts advanced production technology, equipment, and a national standardization lab for top-tier R&D and quality control. Key benefits include:
1. National Standardization Lab: Ensures our products meet stringent national standards for quality.
2. Advanced Technology: Utilizes leading international production methods to maintain highquality waterproof coils.
3. Product Diversity: Offers a range of waterproof coils like SBS, polymer, and self-adhesive types for various projects.
4. Quality Management: Implements a rigorous system to monitor every stage from raw materials to finished products.
5. Eco-Friendly: Committed to using environmentally friendly materials and minimizing environmental impact.
6. Customization: Provides tailored solutions based on customer needs for specific waterproof coil specs.
7. Expert Team: Comprised of seasoned engineers and technicians dedicated to product improvement and customer satisfaction.
8. Global Reach: Our products serve construction projects globally.
1. Q: Are you trading company or manufacturer?
A: We are manufacturer.
2. Q: How long is your delivery time?
A: Generally it is 7-10 work days after deposit and depends on your quantity.
3. Q: Do you provide samples?
A: Yes, free sample is available. Before cooperation, delivery cost needs to be paid by customer.
4. Can You Make Our Design Or Put Our Logo On The Product?
A: Yes,We support OEM&ODM. We can put your Logo on package.
5. Q:How do you ensure the quality?
A:We are working with there QC processes to guarantee the quality :
1. For raw materials;
2. Onsite inspection during production;
3. Final QC test for each batch of finished products.