Aluminum Clad Wood Windows for New Construction

How aluminum clad wood windows combine warm interiors with weatherproof exteriors in new builds.

Aluminum Clad Wood Windows for New Construction

Aluminum clad wood windows pair a warm wood interior with a protective aluminum exterior. For new construction, where window selection is locked in early and lives with the building for decades, the combination resolves a long-standing trade-off: the beauty of wood inside, the durability of metal outside. This guide covers how they perform and what to specify.

How the Cladding Works

The window frame and sash are built from solid wood. On the outdoor face, an extruded aluminum skin is fitted over the wood with a small ventilation gap or thermal separation. The wood never sees direct weather; the aluminum takes the sun, rain, and temperature swings. Inside, the wood is exposed and can be stained or painted to match the interior.

Why They Suit New Builds

New construction is the ideal moment to specify clad windows for several reasons:

- **Rough openings can be sized precisely.** Custom units arrive built to the exact opening, which simplifies flashing and air sealing. - **Maintenance expectations are set from day one.** The exterior never needs repainting, so the owner inherits a low-maintenance envelope. - **Energy performance is designed in.** Insulated glazing, warm-edge spacers, and tight weatherstripping are chosen as part of the building's thermal strategy rather than retrofitted.

What to Specify

When ordering aluminum clad wood windows, confirm these details with the maker:

- **Wood species and finish.** Interior species should match the millwork program; factory finishing gives a more durable result than site finishing. - **Cladding finish.** A factory-applied, baked-on finish resists fading and chalking far better than a field coat. - **Glazing package.** Double or triple insulated units, low-emissivity coatings, and the right gas fill should be matched to the climate and orientation. - **Thermal break.** The connection between aluminum and wood should limit conductive heat transfer to control condensation.

Performance Considerations

A clad window is only as good as its weakest detail. Pay attention to:

- **Drainage.** Weep paths must move any incidental water out of the frame rather than letting it sit against the wood. - **Air infiltration ratings.** Lower numbers mean a tighter, quieter, more efficient window. - **Hardware durability.** Multi-point locks and quality hinges keep large sashes sealing evenly over time.

Custom Versus Catalog Units

Catalog windows come in fixed sizes and limited configurations. For an architecturally driven new build, custom units let the design hold its proportions, mullion patterns, and sightlines without compromise. Shops that produce custom fenestration, such as Vertical Custom Supply, can match interior wood to the broader millwork and deliver units sized to the actual openings.

Closing Thought

For new construction, aluminum clad wood windows offer the rare combination of an interior that feels crafted and an exterior that asks for almost nothing. Specify the glazing, the finishes, and the thermal details carefully, and the windows will perform quietly for the life of the building.