Deck Type | System Type | Fastener Type | ISO 95+ Thickness | Fasteners per Board (4' x 8') | Code Approval | Attachment Location for 1-90 System |
Steel Deck (Grade C) | Fully Adhered TPO or EPDM | Firestone AP or Firestone HD Fastener | 2" min. | 8 | 1-90 | Field |
Steel Deck (Grade C) | Fully Adhered TPO | Firestone AP or Firestone HD Fastener | 2" min. | 20 | 1-150 | Perimeter |
Steel Deck (Grade C) | Fully Adhered EPDM | Firestone AP or Firestone HD Fastener | 2" min. | 20 | 1-165 | Perimeter |
Steel Deck (Grade C) | Fully Adhered TPO or EPDM | Firestone AP or Firestone HD Fastener | 2" min. | 32 | 1-225 | Corner |
Steel Deck (Grade E) | Fully Adhered TPO or EPDM | Firestone AP or Firestone HD Fastener | 2" min. | 32 | 1-300 | Corner |