Psilvam Poly Lumber Bench
Top PickWhat We Like
- Nothing to rust, rot, repaint, or seal
- 65-pound frame stays put in wind
- 700-pound rating with no frame flex
- Nine screws into pre-drilled holes
Worth Noting
- Hard plank seat needs a cushion
- Costs well above the budget steel benches
- Frame
- Recycled polystyrene (poly lumber)
- Bench Weight
- 65 lb
- Assembled Size
- 47"W x 23.6"D x 36"H
- Weight Capacity
- 700 lb
Read the full review
Poly lumber is the reason this bench is our top pick. It is recycled polystyrene, molded and colored to read as painted wood, and it takes the single most common failure in this category off the table: steel that rusts from the joints outward. There is nothing to repaint, nothing to seal, nothing to oil — a hose and a stiff brush handle a season of pollen and tree sap.
At 65 pounds it is the heaviest two-seater in this set, and the mass does useful work. The 700-pound rating is well beyond what two adults need, the frame does not flex when someone drops into it, and the bench stays where you set it instead of skating across a deck in a gust. The trade shows up on moving day: you want a second person to carry it around the house.
Setup is nine screws into pre-drilled holes with the parts numbered, and the pieces are light enough to pass through a gate one at a time. Do plan on a cushion. The seat is a flat, hard plank — the same as every bench of this shape — and at 15.35 inches it sits lower than most here, which is comfortable for shorter legs and less so if you are tall.
What you pay for is the material and the weight, and that is the honest summary. It costs well above the budget steel benches, and it reads as painted wood rather than joinery, so if you want a bench that looks like cast iron, look further down this list. If you want the one you can leave out from April to November without thinking about it, this is it.
Bottom line: We point anyone who plans to leave a bench out all year here: poly lumber means no rust to chase, and a 700-pound frame takes two adults without a wobble.