Homeowners often think of a deck as a weekend carpentry project. In reality, an elevated deck is a load-bearing structure that must carry people, furniture, snow, and wind — all while resisting the pull-away forces that cause the most dangerous failures.
The loads a deck really carries
Residential decks are typically designed for a 40 psf live load plus the dead load of the framing and decking itself. On top of that, the connection between the deck and the house (the ledger) has to transfer those loads back into the building. When a ledger is under-designed or poorly attached, the result is the classic — and often catastrophic — collapse.
What a PE stamp actually certifies
- Beam, joist, and post sizing verified against the applicable building code.
- Footing depth and diameter sized for the local soil and frost line.
- Ledger attachment and lateral-load connections detailed correctly.
- Guardrail and stair loads checked for safety.
A stamped drawing gives your building department the confidence to issue a permit, and gives you the confidence that the structure will perform for decades.
If you are planning a new deck, a rooftop terrace, or a repair, our licensed engineers can deliver permit-ready, PE-stamped drawings in as little as 24–72 hours. Request a free quote to get started.