What Florida does to siding
Two things age siding here faster than almost anywhere: ultraviolet light and heat cycling. Vinyl expands and contracts measurably every single day, and if it was installed nailed too tight, that daily movement has nowhere to go. Panels buckle, seams open, and fastener holes elongate until the run rattles in the wind.
Sun does the rest. Colour fades unevenly depending on exposure, and older vinyl gets brittle enough that a stray branch or a stone from a mower goes straight through it rather than bouncing off.
Aluminum siding does not get brittle, but it dents, chalks as the finish oxidises, and corrodes at cut edges and fasteners in coastal air.
- Buckling from panels installed too tight to move
- Brittle vinyl that cracks on impact
- Uneven fading by exposure
- Chalking and edge corrosion on aluminum