Window And: Door Replacement !!install!!

| Component | Material Options | Efficiency Metrics | | :--- | :--- | :--- | | | Vinyl (low-maintenance), Fiberglass (stable), Wood (insulating but high upkeep), Aluminum (strong but conductive) | U-factor (heat loss) – lower is better (≤0.22 for cold climates) | | Door Cores | Steel (secure, dentable), Fiberglass (rot-proof, best overall), Wood (traditional, requires sealing) | SHGC (solar gain) – higher for cold climates, lower for hot climates | | Glazing | Double-pane (standard), Triple-pane (extreme cold), Low-E coating (infrared reflection) | Air leakage rating – ≤0.3 cfm/ft² recommended |

Poor installation negates even the best product. window and door replacement

: Look for drafts, water leaks, condensation between panes, or poor operation (sticking). Full-Frame vs. Retrofit : | Component | Material Options | Efficiency Metrics