Belter Fill®

All Mineral-Based Lightweight Fill

Belter Fill® from Belter Tech® is a cement-based fill system that utilizes 82% post-industrial recycled aggregate to create a strong, lightweight, fire retardant, and highly insulative fill that outshines all others. Its lightweight allows for easy handling, and superlative performance in high-rise buildings and older structures. Its insulative and fire-retardant properties reduce the need for other insulative layers reducing overall thickness and weight. Belter Fills cementitious binder provides a strong and stable matrix. Belter Fill’s upcycled materials and sustainability make it the future of insulative fills.

Basic Information

  • Packaging

    Regular cement bag: 40 lb Super Sack: 1000 lb

  • Storage

    Keep Belter Fill stored in a cool, dry space and away from open flame and heat sources.

  • Finishing

    Belter Fill® can be finished using standard industry techniques for concrete finishing. It can be hand floated/troweled, broom finished or finished using other regular industry methods.

  • Price

    $30 Per Bag

  • Coverage

1"  12.9 13.6
2"  6.5 6.8
3"  4.2 4.4
4"  3.2 3.4
5"  2.5 2.6
6"  2.1 2.2

Safety Information

  • Hazards

    Harmful if swallowed. Causes skin irritation. Can cause serious eye damage. May cause allergic skin reaction. Causes damage to lungs through prolonged or repeated exposure.

  • Prevention

    Do not eat, drink, or smoke when using this product. Wash hands after handling. Do not handle until all safety precautions have been read and understood. Wear protectives gloves, clothing, and eyewear. Use only outdoors or in a well-ventilated area. Do not breathe dust.

  • Response

    If swallowed: immediately call poison control or a doctor. Rinse mouth. If in eyes: Rinse gently with water for several minutes. Remove contact lenses. If on skin: Wash with water. Wash contaminated clothing before reuse. If concerned about exposure, irritation or rash develops, seek medical attention.

  • Disposal

    Dispose of contents and container in accordance with all local, regional, national, and international regulations.

BENEFIT Belter Fill Standard Fill
82% Post-Industrial Recycled Content
Thermal insulating
Stable, very light spherical grain
Good pourability
Meets ASTM E136 non-combustible
Easy application/handling
Contaminant-free, odorless, and anti-allergen
Mold and Rodent Resistant
Tested and recommended by the Institute of Building Biology + Sustainability
Long-term stable, no material fatigue

Proposition 65 Warning This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.

Keep out of reach of children and animals.

Refer to Safety Data Sheet (SDS) for more information.