What basement remodeling in Anchorage runs into
The older stock, and there is plenty of it, sits on stone or early block. Those basements are irregular, sometimes low, and the walls are rarely flat or plumb. Rigid board insulation will not sit against rubble, so those walls get closed-cell spray foam instead, covered under basement wall insulation.
Where headroom is genuinely short, an exposed painted ceiling is often what makes the project work at all, buying back several inches a drywalled ceiling would have taken.
The newer houses are straightforward by comparison. Tall pours, clean walls, mechanicals grouped sensibly, and room to do whatever the design calls for.