Concrete Canvas
Product Introduction
Concrete canvas (also known as concrete cloth) is a revolutionary building material, aptly described as "concrete on a roll."
It is completely different from the geobags you asked about earlier: geobags rely on sand filling for strength, while concrete canvas itself is a flexible fabric that hardens into a high-strength, waterproof, and fireproof concrete layer after being wetted.
Concrete canvas primarily consists of three layers:
Top layer (fiber layer): A 3D fiber matrix at the top, responsible for trapping dry cement powder and providing reinforcing tensile strength to the hardened concrete.
Middle layer (dry cement mix): Filled with a specially formulated dry cement powder.
Bottom layer (PVC backing): A PVC film on the back ensures the material is completely waterproof and prevents moisture loss during hydration.
Working Principle
1. Structure Breakdown
To understand why it transforms from "carpet" to "stone," look at its cross-section:
3D Fiber Matrix: This is the core. It consists of thousands of vertical fibers forming a hollow "skeleton." This skeleton physically restrains the dry cement powder, ensuring it doesn't shift during transport and installation.
Premixed Dry Mix: Inside the fiber matrix, precisely proportioned dry cement powder is filled.
PVC Backing: The bottom layer is a PVC coating that not only prevents cement slurry loss but also ensures that moisture only penetrates from the top, creating a completely waterproof base after construction.
2. Hydration Process
The working process of concrete canvas is a controlled hydration reaction:
Penetration: When you spray water onto the canvas surface, the water penetrates downwards through the pores of the fiber matrix.
Locking: The three-dimensional fibers, like countless miniature steel bars, tightly lock in the hardening concrete. This solves the most troublesome problem with traditional concrete—cracking.
Shaping: As the cement hardens, the fibers bond with the concrete to form a whole, creating a thin-layer composite material similar to "reinforced concrete."
3. Core Mechanical Advantages
Why can this thin layer of fabric resist compression and impact?
Tensile Strength: Traditional thin-layer cement is extremely brittle. Concrete canvas, due to its extremely high density of vertical fibers, provides superior tensile strength, allowing it to **"crack but not collapse"** when subjected to foundation settlement (ground movement), maintaining structural integrity.
Plasticity: Before hardening, it is as soft as a carpet and can be laid following the contours of the terrain. Once hardened, it precisely "replicates" the shape of the ground, reducing bottom voids and thus preventing erosion by water flow.
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Application Case
Application
Irrigation and Drainage Ditches: Quickly line soil ditches with a waterproof, hard base to prevent erosion.
Slope Protection: Prevent landslides caused by rainwater erosion.
Pipeline Protection: Wrap underground or submarine pipelines, acting as physical armor.
Emergency Shelters: This fabric can even be supported by an inflatable frame, and after being watered, a sturdy "concrete house" can be built within hours.
Address
Production Center: Development Zone, Tai'an City, Shandong, China
Marketing Center: Ichi-no-Machihigashi, Sakai-ku, Sakai City, Osaka, Japan