Fire resistance / Green Building & Sustainable Home Renovation Information & Advice

...fire spread. The standard barrier is typically 1/2 inch (12 mm) drywall (sheetrock) or a proprietary fire-rated cementitious board. Failure to install this barrier will result in the building failing inspection. Ignition retardants Manufacturers incorporate fire retardants (often polymeric fire retardants) into the G-E...

...fire safety One of the most impressive and often surprising benefits of hempcrete is its exceptional fire resistance. While raw hemp is highly flammable, the hemp hurds become virtually fireproof when combined with the lime binder. The result is a material that will not ignite or spread a flame, even when directly expo...

...Fire Ratings Building materials are classified for fire resistance based on rigorous testing by certified third-party laboratories like Underwriters Laboratory (UL). Ratings typically range from Class A (highest resistance) to Class C (lowest). Untreated cedar shingles and shakes generally have a Class C fire rating, m...