Both fiberglass and plastic pergolas offer the benefit of a low maintenance outdoor structure. There are two types of plastic pergolas currently available, the first and most common is constucted from vinyl(also known as PVC). The second type of plastic pergola is constructed from a material similar to composite decking(Azek or Palite). These are low maintenance materials, however they differ significantly in terms of quality, lifetime and finish. Below is a detailed comparision of these materials.
* Maintenance free
* Available in any color
* Structural material with free-spans of up to 20'
* Will not mildew, mold or yellow
* One piece CNC rafter tails
Fiberglass | PVC(Vinyl fencing) | C-PVC(Azek) | |
---|---|---|---|
Maintenance: | Maintenance free. | Maintenance free. Will yellow & mildew. | Requires bi-annual painting. Will yellow & mildew. |
Finish: | Available in any color | Limited color options | Limited color options |
Durability: | Hard industrial coatings. Durable cast fiberglass column bases. | Scratches easily. Plastic post bases break easily | Azek delaminates and fall off over time |
Lifespan: | Designed to last a minimum of 15 years | Minimum of 5 years | Minimum of 5 years |
Structural Properties: | Structural fiberglass pultrusions will not sag or warp. | Structural pressure treated core. Prone to sagging and warping. | Structural pressure treated core. Prone to sagging and warping. |