Final answer:
The minimum fastening pattern for IKO Protectobase must comply with IKO's specifications which can typically be found in their technical data sheets or installation instructions, considering the specific project requirements and wind load conditions.
Step-by-step explanation:
The minimum fastening pattern for IKO Protectobase depends on the specific project requirements and the guidelines provided by IKO for the product. Typically, the fastening pattern must comply with IKO's specifications, which would be detailed in their technical data sheets or installation instructions. These documents provide the necessary information regarding the proper spacing of fasteners for various roof assemblies and under different wind load conditions.
In general, a fastening pattern could range from a perimeter pattern, where fasteners are more concentrated around the edges of the roofing material, to a wider grid pattern throughout the roof area. It is crucial to consult the specific IKO product documentation for the Protectobase or the guidance of a qualified engineer to ensure that the fastening pattern meets the required standards for your roofing project.