531 Sixth Avenue exterior insulation and finish system (EIFS) is a general class of non-load bearing building cladding systems that provides exterior walls with an insulated, water-resistant, finished surface in an integrated composite material system
Widely recognized by the GOLD color, this fiberglass mat gypsum sheathing is a preferred substrate under brick, stone, stucco, siding and EIFS due to its ability to protect a structure against moisture damage during and after construction.