Roundex

Material: Closed-cell expanded polyethylene foam.
Format: Continuous cylindrical cord, flexible and compressible.
Main use: Depth regulation in expansion joints, sealing joints and joints between construction elements.
Standard color: Grey (other colors available upon request).
Diameter ranges: From 6 mm to 100 mm, can be manufactured in other thicknesses depending on volume.
Supply: Continuous rolls or cut lengths.

Properties and benefits

Joint depth controller: Ensures the correct amount of sealant and prevents adhesion to the bottom.
Compressible and flexible: Adapts perfectly to space variations.
Universal compatibility: Suitable for polyurethane, MS, silicone, acrylic sealants, etc.
Closed-cell material: Does not absorb water, ideal for outdoor use.
Easy installation: Installs quickly without special tools.
Prevents stress and irregularities in insulating and movement joints.
Lightweight, clean and non-toxic.

Typical uses

Expansion joints in pavements, facades, concrete and prefabricated elements.
Perimeter joints in windows, metal joinery or curtain walls.
Elastic sealing in civil works, construction and industry.
Horizontal and vertical joints in floors, slabs, partitions, roofs or panels.
Waterproofing systems, as support prior to sealant application.
Applications requiring absorption of movements due to temperature or vibrations.

Available types and sizes

Standard diameters: 6 · 8 · 10 · 12 · 15 · 20 · 25 · 30 · 40 · 50 · 60 · 75 · 90 · 100 mm.
Cut to size:
- Specific lengths
- Complete reels
- Special lengths on demand

Sustainability commitment