Complaint Against a Service United States

PG Glass — Steel replacement windows

Pg glass kathu quoted me for steel replacement on my home windows. Accepted the quote and paid them in full 19/04/2021. Till date still struggeling to finish the job. It looks horrible and amatures doing it in 6 weeks did 1 and not corectly it is the 4th time the are re making the windows. The building contractor cant finish his job as we are waiting for pg glass to finish their part.
Noe the walls been damage,
The frame grind away, alminuim are scratched and dent. What must we do looks horribille

Please need help cant go on like this