Can a house with boards (no clay coating) be converted to a sukkah by removing the nails or one board per pair?

SukkotS'chach

Synopsis

A roofed house with boards (no clay coating) can be converted to a valid sukkah by removing all nails or by removing one board from every pair and replacing with valid s'chach. One opinion requires boards to be under 4 tefachim wide.

Rishonim
Early Acharonim
Lenient
Strict
Lesser cited
Major authority

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