Deck Disasters: Are You Building Yours the Wrong Way?

A well-built deck can be a beautiful and functional addition to your home, but if constructed improperly, it can quickly turn into a safety hazard. Many homeowners and even contractors make critical mistakes that can lead to structural failure, costly repairs, or worse—injuries. Before you build or upgrade your deck, check out these common mistakes and learn the right way to do it!

1. Weak or Improper Footings

The Mistake:

One of the most common deck-building errors is failing to install proper footings. Placing deck posts directly into the ground without concrete footings can lead to sinking, shifting, and instability over time, especially in areas with seasonal temperature changes.

The Right Way:

Set your footings below the frost line to prevent movement and ensure long-term stability. Use concrete footings with properly secured post anchors to create a solid foundation.

2. Poor Ledger Board Attachment

The Mistake:

The ledger board is the part of your deck that connects to your home. If not properly attached, your deck could pull away from the house, one of the most common causes of deck collapses.

The Right Way:

Always use lag bolts or structural screws instead of nails to secure the ledger board. - Install flashing to prevent water damage that can lead to wood rot.

3. Using the Wrong Fasteners

The Mistake:

Many DIY builders use standard nails or screws, which can rust or loosen over time, weakening the structure.

The Right Way:

Use galvanized or stainless steel fasteners that are designed for outdoor exposure. These will resist corrosion and provide long-lasting durability.

4. Inadequate Joist Support

The Mistake:

Improperly spaced or undersized joists can make your deck feel bouncy and unstable. Over time, this can lead to sagging or cracked decking boards.

The Right Way:

Follow building codes for proper joist spacing—typically 16 inches on center for standard decking materials. For composite decking, spacing may need to be even closer.

5. Unstable or Unsafe Railings

The Mistake:

A loose or weak railing is a serious safety risk, particularly for children and guests. Railings that are too short or improperly secured can result in dangerous falls.

The Right Way:

Railings should be at least 36 inches high (or 42 inches in some areas). - Posts should be firmly secured with proper hardware. - Balusters should be spaced no more than 4 inches apart to prevent small children from slipping through.

6. Failing to Protect the Wood

The Mistake:

Leaving your deck wood unsealed exposes it to moisture, UV rays, and rot, which can significantly shorten its lifespan.

The Right Way:

Use pressure-treated lumber or composite decking for long-term durability. - Apply a waterproof sealant every few years to protect against moisture damage.

Final Thoughts: Is Your Deck Built to Last?

A poorly built deck is more than just an aesthetic issue—it's a major safety concern. Avoid these common mistakes to ensure your deck is sturdy, secure, and built to last for years to come.

Need a professional inspection to make sure your deck is safe? Don't wait until problems arise—get it checked today!