"Suburban Construction installed both windows and doors for our home. Their installers were very knowledgeable, friendly and professional. We were impressed with the way Suburban Construction handled ... » more
- Ken and JoAnne Fisher of Muscatine, Iowa


» More Testimonials

Positive Lock

Area below the nailing hem that the buttlock locks into.

Not quite sure what the proper home improvement terms are? Let us help. We have put together a glossory for you to learn a little bit more about Home Improvement Glossary and Terms

For furthur reading please see our Learn the Basics Homepage.