Renia, Cork Bottom Filler, Multiple Sizes

Renia Cork Bottom Filler

Renia Cork Bottom Filler is a professional-grade cork-based leveling compound designed for footwear repair, orthotic work, and leathercraft applications where smooth, supportive build-up is required. This easy-to-spread filler is formulated to fill cavities, level uneven areas, and provide a stable base prior to sole attachment or finishing operations.

Commonly used by cobblers and orthopedic workshops, Cork Bottom Filler creates a lightweight yet supportive layer that sands and shapes cleanly once cured. The cork-rich formulation helps maintain flexibility while providing the body needed for lasting repairs and structural corrections. It adheres well to typical footwear materials and integrates seamlessly into standard shoe repair workflows.

Ideal for rebuilding heel areas, filling voids, and preparing bottoms for further bonding, Renia Cork Bottom Filler is a dependable solution for professional repair environments and serious leatherworkers.

Available Sizes

• Pint (16 fl oz)
• Quart (32 fl oz)

Key Features

• Professional-grade cork-based filler compound
• Lightweight yet supportive build-up material
• Smooth, spreadable consistency
• Sands and shapes easily after curing
• Maintains flexibility while providing structure
• Ideal for leveling and cavity filling
• Trusted in footwear and orthotic repair
• Made in Germany

Common Uses

• Filling cavities in shoe bottoms
• Heel and sole leveling
• Orthotic and prosthetic build-up
• Footwear repair and rebuilding
• Preparing surfaces prior to sole attachment
• General bottom repair work

Usage Tips

• Ensure surface is clean, dry, and free of loose material
• Apply filler evenly using a spatula or suitable spreader
• Allow material to dry thoroughly before sanding or bonding
• Sand to desired shape once fully cured
• Follow with appropriate adhesive or finishing steps
• Store tightly sealed in a cool, dry location
• Use in a well-ventilated area

Specifications

• Type: Cork-based filler compound
• Application: Spatula or spreader
• Finish: Sandable after cure
• Flexibility: Semi-flexible supportive fill
• Primary Use: Bottom filling and leveling
• Origin: Germany

Important Notes

• Not intended as a structural adhesive
• Allow full cure before sanding or bonding
• Follow all safety guidance on the product label and SDS
• Shipping restrictions may apply

Renia: Germany (est. 1937)

Founded in 1937, Renia GmbH is a German manufacturer specializing in high-performance adhesives for the footwear, orthotics, and leather goods industries. Renia products are developed and produced in Germany under strict quality standards and are trusted worldwide for their consistent performance in professional workshop and production environments.