Exterior laminated sheathing nailed to the exterior side of the exterior walls. Normally ¼” thick, 4 X 8 or 4 x 10 sheets with an aluminumized surface.
EXAMPLE:

Exterior laminated sheathing nailed to the exterior side of the exterior walls. Normally ¼” thick, 4 X 8 or 4 x 10 sheets with an aluminumized surface.
EXAMPLE:
