Siding Insulated Vinyl Siding
Alside Charter Oak Energy Elite
Insulated version of Alside's flagship Charter Oak panel with precision-contoured (Fullback) foam underlayment rated for extreme weather conditions. Field-Fit design allows independent expansion of vinyl and insulation layers. Combines Charter Oak's TriBeam panel rigidity with superior thermal efficiency. Independently tested for wind, impact, and moisture resistance.
Material
vinyl
Thickness In
0.046"
Exposure In
4.5"
Insulated
Yes
Insulation Type
contoured EPS foam (Fullback design)
Insulation Fit
Field-Fit (vinyl and insulation expand independently)
Model Comparison
2 models
| Specification | D4.5 Double Clapboard | D4.5 Double Dutch Lap |
|---|---|---|
| Model | D4.5 Double Clapboard | D4.5 Double Dutch Lap |
Shared Specifications
All models| material | vinyl |
| thickness_in | 0.046" |
| exposure_in | 4.5" |
| insulated | Yes |
| insulation_type | contoured EPS foam (Fullback design) |
| insulation_fit | Field-Fit (vinyl and insulation expand independently) |
| internal_structure | TriBeam triple-channel |
| warranty | lifetime limited |
| distribution | Alside Supply Centers (contractor/wholesale only) |