We just launched our new website, greencleanguys.com
Some users testing the site are getting warnings in avast blocking the website. I have attached a screenshot of the message.
What can we do to get our site unblocked?
Your pic say URL.Mal > hxxp://104.236.249.164 so it seems like a IP block
IP history >> https://www.virustotal.com/en/ip-address/104.236.249.164/information/
Note the > Latest detected files that were downloaded from this IP address
https://www.virustotal.com/en/file/df7b4cc52eba2180ad8c43fa5eefed2a901c9509dfc38b854f29dc07a00bc05a/analysis/
avast is notified 
You may also click the link on your picture “report file as false positive”
There are also minor certificate issues
https://www.ssllabs.com/ssltest/analyze.html?d=greencleanguys.com
What issues are you referring to? The cert has an A+ rating with nothing that I can see that would cause issues.
104.236.249.164 removed from blacklist