Heirloom quality, deeply etched, stainless steel, precision milled woodworking and framing squares for a lifetime of use.
The best framing square in the universe
What if one tool could change the way you build—forever?
The Chappell Framing Square isn’t just another framing square! It’s a breakthrough approach to laying out roof systems by unlocking the secrets of compound roof framing—giving you the confidence to tackle even the most challenging roof framing projects—all with only a pencil and scrap of wood to scribble simple math using the square’s given factors. No calculator—No batteries required.
Fully charged and ready to go 24/7 to tackle your next build, the Chappell Framing Square is like no other carpenter’s square—and it’s no gizmo either—it’s a high powered, easy-to-use calculator, designed to tackle complex roof systems and to eliminate confusion. The patented rafter tables, deeply etched onto the durable stainless steel carpenter’s square, represent a lifetime of building knowledge and experience—guaranteed to last a lifetime—but the Chappell Framing Square is more than durability—More than precision. It’s clarity, speed & knowledge. It’s control of your own building future—whether it’s your first gable roof, or the most complex polygon or hip & valley roof system. The key to perfect layout is the Chappell Universal Framing Square.
The Chappell Universal Framing Square puts professional-level knowledge right in the palm of your hands, so you can build smarter and work faster with absolute confidence. And here’s the best part— you take zero risk. If the Chappell Framing Square doesn’t live up to its claim as The Best Square in the Universe, send it back for a full refund. No hassle. No questions. Once you use it, you won’t want to work without it. The Chappell Universal Stainless Steel Framing Square isn’t just another framing square—it’s a game changer. So go ahead…let your imagination run wild…build your masterpiece & let your talents soar.
—Steve Chappell
LEARN HOW TO USE THE CHAPPELL FRAMING SQUARE
Check out our YouTube channel to learn the ins & out of how to use the patented rafter tables.
The Patented Rafter Tables & Rugged Stainless Steel Construction Sets the Chappell Framing Square Apart From the Crowd.
Supports U.S.
Manufacturing

MADE IN USA
We are committed to Sourcing and Manufacturing all of our products here, in the USA.
Increased
Versatility
PATENTED NEW TABLES
Our new Patented Rafter Tables give an extraordinary amount of information (length, angular and rotational), most of which has never been available on a framing square.
First Time on
Framing Square
UNEQUAL PITCHED TABLES
For the first time ever on a framing square we have included tables for unequal pitched roofs. With all the same innovative information as our Equal Pitched Tables.
First Time on
Framing Square
POLYGON RAFTER TABLES
Also a first on a framing square are our innovative Polygon Tables. These also include the same comprehensive amount of information as our equal pitched tables.
SIM AYERS
Owner, SBE Builders, Discovery Bay, CA
The information printed on the Chappell Master Framing Square makes the Construction Master Calculator look like an apprentice roof framing calculator.
JOE CAROLA
Owner, J Carola Const. Inc., Caldwell, NJ
There is no excuse not to buy one. It’s like comparing using a handsaw to a circular saw. Compare this to a normal framing square…there is no comparison. It’s that simple!
Read reviews from the Press
Never Sponsored Substack by Christopher Schwarz: The Chappell Universal Square
This Is Carpentry Review: The Chappell Square, A revolutionary approach to a commonly used tool
Home Fixated Review: Chappell Square Review – The Supercomputer of Framing Squares
JLC-Journal of Light Construction Review: Chappell Master Framer Square
SBE Builders by Sim Ayers: Chappell Master Framing Square Review
Check out the
Compose Your Masterpiece Design Contest Click to learn more…
PRODUCT OVERVIEW: THE 1824 MASTER FRAMER SQUARE


