2400X1200X40MM Sheet of Celotex TB4040 (Was TB3040) PIR Insulation Board.
TB codes are "Thermal Break" boards and are designed to be used for areas where thermal bridging may occur and needs to be countered.
CELOTEX TB4040 INSULATION 2400X1200X40MM
Celotex Insulation TB4040 is designed for use as a thermal break insulation. This type of insulation creates a barrier between products such as roof timber and plasterboard. Alternatively in floors for isolation or perimeter upstands which help in blocking possible thermal transference from the wall to the screed floor. Another area it is also generally installed is around window reveals and dormers where a thinner thickness of Celotex insulation board is required.