← Back to Projects

Before Building a Deck

Ensure that low-clearance decking does not render your home's foundation access unreachable.

What is about to happen?

A deck is being attached to the house, hovering anywhere from 1 to 10 feet off the ground.

What hidden system could be affected?

HVAC condensing units, basement egress windows, crawlspace access doors, and hose bibs.

What clues or records may help?

Physically walk the perimeter of the house where the deck will go.

What does the visible surface not guarantee?

You might think you can just crawl under the deck later, but once joists and decking are on, a 2-foot clearance becomes a dark, unnavigable trap.

What becomes expensive if wrong?

If an HVAC unit is trapped under a deck without proper airflow, it will burn out prematurely. Replacing it requires dismantling the deck above it.

When should local confirmation happen?

During architectural drafting. Ensure the deck height and layout respect the clearance requirements of all house systems.

Need to verify?

Contact a Deck Contractor before you cover.

Call 877-735-2796 to connect with local specialists