What are the key differences between extruded and cellular PVC fencing ？

Extruded PVC and cellular PVC fencing are two popular types of vinyl fencing, and while they share some similarities, there are key differences in terms of strength, appearance, and maintenance:

1. Strength

Extruded PVC: This type of PVC is created by pushing the material through a mold under heat and pressure, which results in a solid, dense structure. It is typically stronger and more durable because it has a uniform structure and no internal voids. It's suitable for applications where a higher degree of strength and resistance to impact is needed.

Cellular PVC: Cellular PVC is manufactured by incorporating air pockets into the material, creating a foam-like core that makes the material lighter and less dense than extruded PVC. While it is still strong and durable, it tends to be slightly less rigid compared to extruded PVC. However, it is still very sturdy for most fencing applications.

2. Appearance

Extruded PVC: It generally has a smooth, solid, and consistent appearance. Since it's made from a denser, solid structure, it often has a glossy, polished finish that can appear more refined and sturdy. However, its solid nature means it can be slightly heavier and thicker in appearance.

Cellular PVC: Cellular PVC has a slightly more textured look, often appearing less glossy than extruded PVC. The air pockets within the material can give it a slightly different texture, which might make it look less solid or "full" compared to extruded PVC. However, cellular PVC can still be quite attractive, and its design can be optimized to reduce the appearance of the foam core.

3. Maintenance Requirements

Extruded PVC: Due to its solid structure, extruded PVC is very resistant to moisture and is unlikely to warp or crack under normal weather conditions. It requires very little maintenance-just occasional cleaning with soap and water. However, it might be prone to showing dirt or stains more visibly due to its smooth, glossy finish.

Cellular PVC: Cellular PVC is also low-maintenance and resistant to rot, mold, and mildew, like extruded PVC. However, because of the air pockets inside, it may be slightly more prone to denting or damage from heavy impacts. It typically requires similar cleaning as extruded PVC but can be more susceptible to staining, particularly on the more textured surface.

In summary:

Strength: Extruded PVC is stronger and denser, making it more rigid and durable than cellular PVC.

Appearance: Extruded PVC has a smoother, glossier, and more uniform look, while cellular PVC may appear slightly less solid or textured.

Maintenance: Both materials are low-maintenance, but cellular PVC may require a bit more attention in terms of cleaning and may dent more easily than extruded PVC.

Both materials are highly durable and offer good performance for fencing, so the choice largely depends on your specific needs, budget, and aesthetic preferences.