Plastic

Lightweight, durable, easy to maintain

Resin

Environmentally friendly, rust, insect, and rot resistant

Wood

Aesthetic, highly durable

Metal

Rot, mold, insect, and fire resistant

Overlap

Simple layered boards; not fully weather-resistant and best for basic storage

Shiplap

Flat overlapping boards; durable weather protection

Tongue & Groove

Interlocking planks; the strongest and most durable option