Do Firehouse Subs Have Gluten Free Buns? The Definitive Guide
                                
                                
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                                    4 min read                                
                            
                                According to Firehouse Subs, a gluten-free roll has been available at most U.S. and Canada locations for an additional charge since 2021. While this is a welcome option, customers with celiac disease or high gluten sensitivity must take specific precautions due to the shared kitchen environment.