The Firestone products are also approved for waterproofing and insulation of floors. 

RubberGard EPDM - Basement Waterproofing

Elevate's RubberGard EPDM membranes are suitable for use as basement tanking sheets.
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RESISTA AK PIR Insulation

Firestone RESISTA is a high-performing, durable and sustainable PIR insulation board suitable for use on floors.
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