View the Naylor entry on BPindex Visit the Naylor website Naylor Concrete is extending its XtraFire fire resistant lintel range with the addition of three new products sizes: 140mm x 140mm, 140 x 215mm and 215mm x 215mm. Replacing products previously included in Naylor’s UltraFire range, the new XtraFire lintels benefit from a single cast coating-free design to optimise product …