Mixed Sale

CASE: Gilliam Aluminum Products, Inc. sold and installed an aluminum awning to Weaver to be used as a carport. There was no written contract, only a bill of sale which implies offer $+$ acceptance $+$ consideration. A few days after installation, the awning began to leak. Three months later, the awning gave way in a heavy snowfall and collapsed on Weaver's car damaging it$.$ Weaver sued Gilliam for the $$3,500$ initially paid for the awning as well as damages to his car.

Should the contract be decided under the UCC or common law? Explain why. $($What factors will the court consider when making this determination?$)$

Will Weaver recover damages to his car from Gilliam? Why or why not?