Fire-proofing anti-bacteria roof insulation 1. Energy-saving 2. Water-proofing 3 ... Fire-proofing 4. Elegant outlook Fire-proofing anti-bacteria roof insulationLatest technology closed cell elastomeric insulation sheet with Aluminium ... conductivity, life-span, which will be more fitable for roof heating or wall heating, etc. Usage :Bellsafe-flex ... 1", 1-1/4" fire-proofing energy-saving roof insulation