Foam glass knowledge base

Closed-cell foam glass in foundations and below-grade structures: turning structure into design

Material structure for foundations and below-grade structures: evidence, application limits, detailing and acceptance.

In brief: material structure for foundations and below-grade structures. The project outcome is that the material property is tied to a buildable detail instead of a generic claim.

Material structure: design task for foundations and below-grade structures

Below grade, material structure must be coordinated with waterproofing, soil pressure and the backfilling sequence.

In foundations and below-grade structures, material structure requires moisture conditions; also check soil pressure.

Material structure: evidence for foundations and below-grade structures

For foundations and below-grade structures, the material structure source states: NEOPORM® D130 is described as cellular glass with a closed-pore structure.

For material structure in foundations and below-grade structures, apply this principle. The relationship between sealed gas-filled cells and material behaviour must be treated as a design input, not a marketing statement.

Material structure: application boundary in foundations and below-grade structures

In foundations and below-grade structures, material structure has an important boundary. A closed pore is a product property; assembly tightness still depends on joints, penetrations and adjacent layers.

For material structure in foundations and below-grade structures, address this specific risk: mechanical damage during backfilling or incompatibility with the waterproofing system.

Material structure: inputs for foundations and below-grade structures

Before assessing material structure in foundations and below-grade structures, obtain the grade, density, cellular-glass geometry and evidence for the actual supply.

For foundations and below-grade structures, the verifiable material structure requirement is to match the required properties to the current technical data sheet and do not transfer values from another grade without evidence.

Material structure: detailing for foundations and below-grade structures

The foundations and below-grade structures drawing develops material structure through two decisions: waterproofing type; then protective layer.

For material structure in foundations and below-grade structures, dimensions and interface materials belong in the design, not in an improvised site decision.

Material structure: installation in foundations and below-grade structures

The installation rule for material structure in foundations and below-grade structures is to accept the substrate before covering it.

During foundations and below-grade structures work concerning material structure, treat chipped working edges as a joint-quality issue rather than harmless appearance damage.

Material structure: accepting work in foundations and below-grade structures

Acceptance of material structure in foundations and below-grade structures starts by matching delivery labels, drawings and the installed layout.

For material structure in foundations and below-grade structures, close the identified risk with a photograph, measurement or record, not a verbal explanation.

The final foundations and below-grade structures criterion for material structure is that the material property is tied to a buildable detail instead of a generic claim.

Material structure: conclusion for foundations and below-grade structures

In foundations and below-grade structures, foam glass delivers its material structure benefit through a coordinated detail, not one schedule entry.

The foundations and below-grade structures workflow for material structure is to evidence the property, issue the detail, accept installation and retain concealed-work records.

Topics: foam glass, foundations, properties, NEOPORM

This material is informational. Final decisions on thickness, details, fixings and compatible compounds must follow the project documentation, current technical data sheets and the conditions of the specific facility.