*please note* Thicker Gauges are Covered

For example, If you see a 29ga approval, it’s good for 26ga too, as long as everything else matches. Same is true of Aluminum, respectively. 

5vCrimp:

5vCrimp MINIMUM 26GA STEEL over Plywood: Link Here

PermaShield

PermaShield MINIMUM 26GA NAILSTRIP STEEL over Plywood: Link Here
PermaShield MINIMUM .032 ALUMINUM NAILSTRIP over plywood: Link Here

TuffRib

TuffRib MINIMUM 26 GA RIB PANEL over plywood: Link Here
TuffRib MINIMUM 29 GA RIB PANEL over plywood (Fastener in Rib): Link Here
TuffRib MINIMUM 29 GA RIB PANEL over plywood:Link Here
TuffRib MINIMUM 29 GA RIB PANEL on 1×4 battens over plywood:Link Here

DuraSeam

DuraSeam MINIMUM .032 ALUMINUM SNAP LOCK over plywood: Link Here
DuraSeam MINIMUM 26GA STEEL SNAP LOCK over plywood: Link Here