Fasteners

Fasteners (such as screws) used for the connection of SIP wall to wood members as specified in this document shall be corrosion resistant, have threaded or drill point and shall be sized to penetrate a minimum of 1 inch (25.4 mm) into the wood member to which the SIP assembly is being attached as shown in Figure 6.3. SIP Fasteners shall meet the following requirements:

• Nominal thread diameter 0.255 inch (7 mm),
• Nominal shank diameter 0.190 inch (5 mm)
• Nominal head diameter 0.625 inch (16 mm).

SIP fasteners shall have a minimum edge distance of 1-9/16 inch (40 mm) and a maximum edge distance of 2-7/8 inch (73 mm).

Galvanized screws, nails or staples shall be permitted for spline and plate attachments.