HardiePanel® Vertical Siding 4x8 5/16" Panels in stock HardiePanel® vertical siding provides value and long-lasting performance. It is engineered for climate and will stand up against a climate's harshest conditions. Backed by a 30 year warranty. Fox stocks the primed 4x8 smooth or stucco textured. $39.99 ea. Smooth Stucco