Bentonite Swellable Waterstop Waterproofing Material for Expansion Joint

📊 Basic Info.

Model NO.

PENNSWELL

Long Services

No Less Than 15 Years

Function

Waterproof, Sealing

Usage

Outdoor, Indoor

Color

Black, Red

Swelling Ratio

220%, 400%

Value-Added Service

Drawing Design/Site Construction Direction

Origin

China

📘 Product Description

Bentonite Swellable Waterstop Waterproofing Material for Expansion Joint

PENNSWELL is a kind of flexible, hydrophilic swelling, and synthetic water-stop strip based on rubber compound, offer long life performance in concrete structures against water leakages.

Type	Thickness	Width	Length
PENNSWELL P	5-30 mm	20-30 m	5 m
PENNSWELL S	5-30 mm	20-30 m	5 m

🖼️ Detailed Photos

Can contact with fresh and sea/brackish water directly;
Re-shapable, easy adapt to complex substrate;
High expansion rate with perfect watertightness;
The special formula creates a delayed initial expansion which makes it safe to fit in different joints during concrete applications;
Uniform swelling capacity, no sag after installation.

🛠️ Installation Instructions

PENNSWELL is capable for all kinds of waterproofing sealing joints in tunnel segments, underground precast elements, horizontal and vertical construction structures.

🏭 Workshop & Manufacturing

Our waterproof membrane factory is specialized in the production of high quality waterproof materials. We are committed to providing best-in-class waterproofing solutions to meet the stringent waterproof performance requirements of the construction industry.

🔬 Laboratory Environment

The National Standardization Laboratory and its professional quality inspection team provide a full range of escort for product quality through strict testing process, in-depth production supervision, and continuous technological innovation.

📦 Packaging & Shipping

❓ Frequently Asked Questions

1. Are you a trading company or manufacturer?

We are a specialized manufacturer of high-quality waterproofing products and materials.

2. How long is your typical delivery time?

Generally, it takes 7-10 working days after receiving the deposit, depending on your specific order quantity.

3. Do you provide samples for quality testing?

Yes, free samples are available. Before starting formal cooperation, we only request the customer to cover the delivery cost.

4. Can you support custom designs or OEM services?

Yes, we fully support OEM & ODM services. We can apply your specific design or labels to the product packaging.

5. How do you ensure the final product quality?

We utilize three strict QC processes: 1) Inspection of all raw materials; 2) On-site supervision during production; 3) Final QC testing for every batch of finished products.

6. Is the PENNSWELL waterstop suitable for saltwater environments?

Yes, our formula is designed to handle direct contact with both fresh water and sea/brackish water effectively.