SAPboard Ceiling Selector
STC 61 – IIC 54
Finish Floor Type | 2mm Glued Down LVT |
Sub Floor | 1-3/16″ SAP board |
Structure | 18″ Open Truss on 24″ centers |
Insulation | R30 Fiberglass Insulation |
Sheetrock Attachment | RC Delux Resilent Channel on 16″ Centers |
Ceiling Soffit | 5/8″ Class C Sheetrock |

STC 61 – IIC 55
Finish Floor Type | 3.8mm Floating Floor |
Sub Floor | 1-3/16″ SAP board |
Structure | 18″ Open Truss on 24″ centers |
Insulation | R30 Fiberglass Insulation |
Sheetrock Attachment | RC Delux Resilent Channel on 16″ Centers |
Ceiling Soffit | 5/8″ Class C Sheetrock |

STC 60 – IIC 54
Finish Floor Type | 2mm Glued Down LVT |
Sub Floor | 1-3/16″ SAP board |
Structure | 18″ Open Truss on 24″ centers |
Insulation | R13 Fiberglass Insulation |
Sheetrock Attachment | RC Delux Resilent Channel on 16″ Centers |
Ceiling Soffit | 5/8″ Class C Sheetrock |

STC 60 – IIC 54
Finish Floor Type | 3.8mm Floating Floor |
Sub Floor | 1-3/16″ SAP board |
Structure | 18″ Open Truss on 24″ centers |
Insulation | R13 Fiberglass Insulation |
Sheetrock Attachment | RC Delux Resilent Channel on 16″ Centers |
Ceiling Soffit | 5/8″ Class C Sheetrock |
