Replacement Fire Mesh For your 24" Pop-Up Fire Pit. The Fire Mesh is at the heart of all functionality of the Pop-Up Fire Pit. While lightweight and durable the Fire Mesh does have a limited lifespan. Heat and weight will stretch your mesh over time necessitating a replacement. New Fire Meshes come with a renewed Fireside Guarantee*, meaning you're covered for another 50 fires/1yr. * Guarantee only valid for regular use. Failure to follow usage instructions will decrease the mesh's lifespan.