Giant Roofing Co
  203-633-4062

Resources

https://www.certainteed.com/

https://www.karnakcorp.com/

https://www.gaf.com/

http://www.nrca.net/

http://www.nrca.net/roofing/Building-codes-and-standards-248

https://nerca.org/

https://www.tamko.com/