Duramax SideMate Plus 4x8 Shed
#12 in MediumFull review
For buyers who want a low-maintenance vinyl shed: 4 x 8 ft of vinyl for $799 ($24.97 per sq ft).
Amazon $799$799
The Duramax SideMate Plus 4x8 Shed rates 3.1 among medium outdoor storage sheds; the Keter Manor 4x6 Shed rates 3.1 among small ones. The Keter Manor 4x6 Shed costs $381.01 less ($417.99 vs $799).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Keter Manor 4x6 Shed
#3 in SmallFull review
For buyers who want a no-paint resin shed: 4 x 6 ft of resin for $417.99 ($17.42 per sq ft).
Amazon $417.99$417.99
Scores side by side
These two sit in different size classes (medium and small), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | Duramax SideMate Plus 4x8 Shed | Keter Manor 4x6 Shed |
|---|---|---|
| Overall rating | 3.1/5 | 3.1/5 |
| Value 35% | 23 $24.97 per sq ft, $5.18 per cu ft ($799) | 41 $17.42 per sq ft, $3.17 per cu ft ($417.99) |
| Size 15% | 33 32 sq ft of floor | 20 24 sq ft of floor |
| Construction 20% | 80 vinyl over a steel frame | 85 steel-reinforced resin |
| Features 20% | 38 floor frame only, vents | 45 windows or skylights, vents |
| Warranty 10% | 100 15-year warranty | 29 5-year warranty |
Specifications
| Duramax SideMate Plus 4x8 Shed | Keter Manor 4x6 Shed | |
|---|---|---|
| Size | ||
| Footprint | 4 x 8 ft | 4 x 6 ft |
| Floor area | 32 sq ft | 24 sq ft |
| Capacity | 154.3 cu ft | 131.8 cu ft |
| Build | ||
| Material | Vinyl | Resin |
| Construction | Vinyl over a steel frame | Steel-reinforced resin |
| Floor | Frame or kit only | - |
| Doors and features | ||
| Door width | 29.8 in | - |
| Windows or skylights | - | Yes |
| Vents | Yes | Yes |
| Other | ||
| Warranty | 15 years | 5 years |