All spray foam must be covered with a thermal barrier according to Ontario Building Code. Jerry’s Insulating offers both a cementitious and semi-cementitious spray that can be applied over either 1/2lb or 2lb spray foam for both residential and commercial applications. The two products we offer include:

Monokote Z-3306

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Monokote Z-3306 thermal barrier is a cementitious fire protective coating, specifically formulated for application over rigid, urethane and polystyrene foam plastics. It is spray-applied to interior foam surfaces on walls and ceilings and forms a hard durable thermal barrier against heat and fire.


HIBAR is a spray applied fireproofing barrier for use over 1/2lb open cell spray foam. It also offers additional thermal insulation at R3.7 per inch. Moreover, it offers acoustical benefits to ceiling and upper wall areas.