Zemdrain Classic Single Use Form Liner 1.6 - 4.2m width x 50m Roll. Zemdrain non-woven liner draws water away from the concrete's surface, resulting in greater surface hardness and a blowhole-free, low-pore surface. Other styles available, please contact Jaybro for a quote on your specific project.
The controlled permeability formwork (CPF) liner Zemdrain drains the water from the edge concrete. This makes it harder, denser and more resistant, which significantly increases the service life of the concrete surface.
During compaction, the oiled impermeable/low-absorbent faced formwork traps air and excess water at the formwork interface. This results in an increased surface ratio with increased porosity and permeability. The resulting reduced density and blowholes produce a more open concrete structure.
The solution: Zemdrain® CPF liners drain excess air and water from the surface of the concrete. This reduces the water to concrete ratio in the outer 20 mm of the surface to nearly optimum values, and virtually eliminates blowholes. The resulting concrete has increased resistance to all aggressive elements.
Zemdrain non-woven liner lends concrete the following properties:
Improved concrete surface
Greater surface hardness
Blowhole-free, low-pore surface
Reduced growth of microorganisms and algae
Better freeze-deicing salt resistance
Increased abrasion resistanc
Features and Benefits
Increased service life of the concrete surface
Value retention of the concrete surface
Proven cost savings over the total service life of the structure
No concrete release agent required
Variations Available
Max Frank Zemdrain Classic
Smooth or slightly textured, grey upper surface (concrete side)
Rear side (formwork side) black and rhomb shaped recesses
Roll size: 1.6 m - 4.2 m width and 50 m length
For covering large and small surfaces
For single use
Approval for drinking water according to W270 and W347
Zemdrain Classic prefabricated
Zemdrain® Classic prefabricated is a made-to-measure CPF liner for the inside of formwork for round containers. The special prefabrication ensures creasefree lining of round formwork.
For single use
Zemdrain MD
Smooth to slightly textured, white surface (concrete side)
Rear side (formwork side) with special draining grid
Roll dimensions: Width 2.5 m and length 35 m
Very economic because of the possibility of repeated use (2 - 3 times), simple and quick assembly
High water storage capacity, therefore also suited for inclined or horizontal surfaces