Certifications and Associations

When Reliable Window and Siding installs roofing, siding, windows, and doors, we want you to know, you are covered. With our various certifications and partnerships, we promise homeowners they are choosing an honest and qualified contractor. Any further questions or inquiries about our certifications and associations can be answered by calling us at 1(781)-821-2220.

A Promise That Is Reliable

Trust us, we have you covered. We offer:

  • 50-year warranty on all qualifying products.
  • Lifetime warranty on building products.
  • 5x the legal labor warranty.


Other Certifications:

  • Certa Wrap Installer
  • Evernew Vinyl Decking & Railing Installer
  • Evernew Composite Railing Installer

We are qualified contractors looking to help you with your next exterior project. Let us know if we can help!