Foam glass knowledge base

Moisture, vapour and foam glass in cryogenic and LNG insulation

Moisture and vapour for cryogenic and LNG insulation: evidence, application limits, detailing and acceptance.

In brief: moisture and vapour for cryogenic and LNG insulation. The project outcome is that moisture protection forms one continuous line through corners, supports and transitions.

Moisture and vapour: design task for cryogenic and LNG insulation

In a cryogenic system, moisture and vapour needs layer-by-layer logic, sealed joints and inspection of every barrier.

In cryogenic and LNG insulation, moisture and vapour requires thermal movement and the vapour-gas barrier; also check joint tightness.

Moisture and vapour: inputs for cryogenic and LNG insulation

Before assessing moisture and vapour in cryogenic and LNG insulation, obtain moisture direction, barrier positions, sealant specification and every penetration detail.

For cryogenic and LNG insulation, the verifiable moisture and vapour requirement is to verify joints, interfaces, penetrations and the compatibility of sealing materials separately.

Moisture and vapour: application boundary in cryogenic and LNG insulation

In cryogenic and LNG insulation, moisture and vapour has an important boundary. Low vapour permeability cannot correct an unfilled joint or a break in external waterproofing.

For moisture and vapour in cryogenic and LNG insulation, address this specific risk: continuous joints through adjacent layers.

Moisture and vapour: evidence for cryogenic and LNG insulation

For cryogenic and LNG insulation, the moisture and vapour source states: The D130 technical data sheet states a water-vapour permeability of no more than 0.003 mg/(m·h·Pa).

For moisture and vapour in cryogenic and LNG insulation, apply this principle. Moisture protection depends on system continuity: product properties cannot compensate for open joints or a defect in an adjoining layer.

Moisture and vapour: detailing for cryogenic and LNG insulation

The cryogenic and LNG insulation drawing develops moisture and vapour through two decisions: sealing compound and inspection hold points; then the number of layers.

For moisture and vapour in cryogenic and LNG insulation, dimensions and interface materials belong in the design, not in an improvised site decision.

Moisture and vapour: accepting work in cryogenic and LNG insulation

Acceptance of moisture and vapour in cryogenic and LNG insulation starts by matching delivery labels, drawings and the installed layout.

For moisture and vapour in cryogenic and LNG insulation, close the identified risk with a photograph, measurement or record, not a verbal explanation.

The final cryogenic and LNG insulation criterion for moisture and vapour is that moisture protection forms one continuous line through corners, supports and transitions.

Moisture and vapour: installation in cryogenic and LNG insulation

The installation rule for moisture and vapour in cryogenic and LNG insulation is to work in a protected area.

During cryogenic and LNG insulation work concerning moisture and vapour, inspect filled joints under raking light and record interfaces before covering.

Moisture and vapour: conclusion for cryogenic and LNG insulation

In cryogenic and LNG insulation, foam glass delivers its moisture and vapour benefit through a coordinated detail, not one schedule entry.

The cryogenic and LNG insulation workflow for moisture and vapour is to evidence the property, issue the detail, accept installation and retain concealed-work records.

Topics: foam glass, LNG, moisture protection, 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.