Exterior wall phenolic insulation board construction process: from the supporting parts, from bottom to stick with polymer cracking mortar, phenolic insulation boards pasted on the wall. Outer sheath is heavy, per square meter set 4-6 insulation nails; paste stopped after the completion of the 24-hour protection layer construction; finishes outside the construction and then every 24 hours; insulation board thickness, density, cold regions according to design requirements should thicken