Effectively protects combustible floors from hot embers that may fall out of your appliance during loading. - 16 ga (1.65 mm) - Ideal for appliances that require no thermal protection (specific R factor), whose size does not exceed 31"D x 31"W - Simple 4-piece assembly - 68 lb (31 kg) - Design Patent [D1007009](https://certifiedcopycenter.uspto.gov/)