
The Premier Decking Company



Can You Add On to an Existing Deck?
If your current outdoor space feels cramped but your existing framework is still strong, a deck extension is a smart, highly cost-effective alternative to a complete tear-down. Whether you need a few extra feet for a new grill or want to completely reimagine your backyard layout, The Premier Decking Company has the local expertise to build a flawless addition.
Our experienced team provides expert advice on every aspect, from materials selection to final design, ensuring that your new extension not only meets your expectations but seamlessly blends with your home’s original architecture.

Our Safety-First Structural Approach
Adding onto an existing deck is vastly different from building a new one from scratch. Because our crew specializes exclusively in decks, we don't guess when it comes to structural safety. Before we add a single joist or install any composite boards, our team conducts a thorough assessment of your home's current outdoor structure.
We verify that your original frame can safely bear the new weight load, protecting your family and your home investment.
Our Multi-Point Deck Inspection Checklist

Concrete Footings & Frost Line
Pittsburgh winters cause the ground to freeze and thaw. We ensure all new footings for your extension are poured deep below the local frost line to completely prevent your new deck from shifting, sinking, or heaving.

Post & Beam Integrity
Your posts and beams carry the entire weight load of your deck, guests, and winter snow. We audit your existing support system to ensure it can handle the physical stress of an expansion without shifting or sagging.

Ledger Board & Flashing Attachment
A poorly attached ledger is the leading cause of deck failure nationwide. We verify that your ledger board sizing, structural hardware, and flashing are installed correctly and in weather-tight condition.

Joist Span and Condition
We verify that your joists are completely free from wood rot, all structural hardware is rust-free, and the existing framing meets modern load-bearing sizing and span regulations.
Frequently Asked Questions: Deck Extension
Q: Is it cheaper to extend a deck or build a new one?
A: Extending a deck is generally much more affordable than a full replacement, provided that your existing footers, posts, and joists are structurally sound, safe, and up to local building codes.
Q: Can you mix composite decking with an existing wood deck?
A: Yes! We can build a composite extension next to a wood deck, or use the opportunity to resurface your old wood framing with new, low-maintenance composite boards so the entire structure looks brand new.
Q: Do I need a permit for a deck expansion in Pittsburgh?
A: Yes, most municipalities in the greater Pittsburgh area require a building permit for structural changes. The PD Company handles all local permitting and zoning paperwork for you.
Local Accountability & Code Compliance
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Registered & Fully Insured: We operate under PA Home Improvement Contractor License #PA-174454, giving you absolute peace of mind while we are on your property.
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Deep Local Expertise: Serving Allegheny, Westmoreland, Butler, and Washington counties, we have spent years navigating the local townships and municipalities building codes and permitting process.
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We Handle the Paperwork: Forget dealing with city or township red tape. Our team designs the structural drawings, applies for the building permits, and schedules all municipal code inspections from start to finish.