Want a crawl space that’s sealed, strong, and built to last? In this video, we show you how to frame a crawl space step by step. From squaring the sill plates to building pony walls and installing the vapor barrier, we’ll walk you through the entire process so you understand not just how, but why this method works.

What you’ll see in this build:

• Squaring sill plates with a Stabila layout laser for accuracy
• Using PWT treated LVLs for straight, durable mudsills
• Anchoring with Simpson Strong-Tie Titans for strength and speed
• Framing pony walls so your floor system ends up dead flat
• Installing and taping the vapor retarder before the floor system goes in
• Pro tips for dealing with step-downs, layout challenges, and tight corners

A sealed (unvented) crawl space keeps moisture out, improves indoor air quality, saves energy, and creates a stronger foundation for your home. This method avoids the problems that come with old-school vented crawl spaces and sets you up for dry, level, and quiet floors.

We’ve built hundreds of homes, and this approach has proven itself time and again. Whether you’re a homeowner, builder, or DIYer, this video will give you a clear look at how it’s done.