Zamil Steel Buildings India [P] Ltd. Is offering Field Assembled Sandwich Panels named FASP. Zamil Steel Buildings India [P] Ltd. Is engaged in the design, manufacture and supply of pre-engineered steel buildings [PEB] following ISO 9001:2000 procedures. These Field Assembled Sandwich Panels consist of 1.5 mm thick ``Z`` sub-purlins at the roof [sub-girts at the walls], two single skin panels [type "S" on the roof and type "R" on the walls] and unfaced fiberglass insulation in between the panels. The depth of the ``Z`` sub-purlins/sub-girts varies of the Field Assembled Sandwich Panels depends upon the insulation thickness. The Field Assembled Sandwich Panels are available with insulation thicknesses ranging from 50 mm, 75 mm and 100 mm. The standard unfaced fiberglass insulation features a density of 16 kg/m3 or 12 kg/m3.