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Would this insulation be suitable to go in a cavity wall with concrete block on the internal and timber cladding on the external?

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Would this insulation be suitable to go in a cavity wall with concrete block on the internal and timber cladding on the external?

The TB4000 is suitable for use in a cavity wall. You may be better with Celotex CW4000 which is the same material but the sheet sizes are smaller specifically intended for cavity walls.