Fire Proofing on Durabella Systems? Q&A › Category: Questions › Fire Proofing on Durabella Systems? 1 Vote Up Vote Down Arlene Davies Staff asked 1 year ago Fire Proofing on Durabella Systems? Can the Durabella Design A Deck systems be Fire Proofed? Question Tags: cradle, cradle and batten, cradle system, design a deck, durabella systems, fire, fire prove, prove 1 Answers 1 Vote Up Vote Down Best Answer Arlene Davies Staff answered 1 year ago Answer Fire Proofing Durabella Systems? The answer is Yes! Above all, the components can be treated to class O fire rating.