CertainTeed FlintBoard® ISO Polyisocyanurate Roof Insulation features a closed-cell polyiso core integrally laminated to heavy, black (non-asphaltic), fiber-reinforced felt facers. FlintBoard ISO is marked on one side for use with hot applied systems and is unmarked on the opposite side for use with single ply systems, making this a universally adaptable product, suitable for a variety of applications. FlintBoard ISO is also available in 25-psi formula.

FlintBoard ISO is specifically recommended for hot asphalt or coal tar BUR, modified bitumen, metal and single-ply membrane systems. It is available in a variety of thicknesses, in 4' x 4' or 4' x 8' panels.

FlintBoard ISO is the recommended roof insulation in conjunction with CertainTeed Commercial Roofing Systems including Flintlastic® Roof Systems.

Technical Information

CertainTeed FlintBoard ISO is offered in a variety of thicknesses, providing long-term thermal resistance (LTTR) values from 6.0 to 25.0. FlintBoard ISO is also available in 25-psi formula. Available in 4' x 4' (1220mm x 1220mm) and 4' x 8' (1220mm x 2440mm) panels.

For additional technical resources please refer to the CertainTeed Commercial Roof Systems Manual.

Installation

Before installation begins, the roof deck must be firm, well attached, even, clean and dry.

Do not leave exposed. FlintBoard ISO is a polyiso organic plastic foam and will burn if exposed to an ignition source of sufficient heat and intensity, or open flame, such as a welder's torch. Do not apply flame directly to FlintBoard roof insulations.

For detailed installation instructions please refer to the CertainTeed Commercial Roof Systems Manual.

Warranty Details

Please refer to the document provided for all warranty information.

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