Planning a Siding Replacement
Measuring walls, permits, tear-off, and what happens when rot shows up — how a re-side really goes.
Guides
How it works
When to Replace Siding: 9 Signs It's Time
Nine signs siding is done, plus the repair-vs-replace math: one 20-ft patch costs $4,440 in our engine, a full vinyl re-side $28,547.
Updated August 6, 2026
How it worksHow to Measure Siding: Square Footage & Siding Squares
Measure siding by wall area: perimeter × wall height, plus gable triangles, minus openings — then divide by 100 for squares and add 10–15% waste.
Updated July 6, 2026
How it worksHow Siding Is Replaced: Tear-Off, Rot & Install
A re-side is tear-off, a sheathing rot check, new house wrap and flashing, then install — here's what the crew does and the change-orders to watch.
Updated July 6, 2026