Building Accessories Building Accessories: Any of the required building accessory can be installed in PEB building. Some of the common building accessories are shown below. Skylights Sliding Door Insulation Personal Door Turbine Ventilator Window Roll up Door Industrial Louver Ridge Ventilator Also View,PEB ConceptBuilding ParametersPrimary Framing SystemsPrimary FramingSecondary FramingBracing SystemsMezzanine FloorBuilding Cladding SystemsAdvantages & ApplicationsMechanical Fabrication & Erection