Shop|Warmshell|Warmshell Internal woodfibre|Alkali Resistant Mesh White Alkali Resistant Mesh White From£2.20 + VAT Alkali Resistant Mesh White From£2.20 + VAT 4mm or 7mm squared mesh to reinforce one coat lime plaster and fine render Alkali Resistant Mesh 4x4mm or 7x7mm resistant mesh for reinforcing one coat lime renders and fine lime plasters.