Heat remediation in an uninsulated house

Typically uninsulated Uruguayan house cieling
Adding a little R to the north (sun)-facing side of the bedroom ceiling

On the other side of the aluminum-backed fiberglass insulation I’ve installed, there’s more of the thin tongue-and groove paneling wood (lambriz), a layer of sheet plastic, wood strips, and clay tiles. During the summer, the north-facing roof tiles take the sun all day, radiating heat to make our bedroom the hottest room in the house in summer.

And the coldest in the winter, with nothing but 1 cm of pine for insulation at the peak where the hot (well, warmer anyway) air gathers.

And oh by the way, yes, being up that ladder like that is a little crazy.

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