NorthBridge Software Logo



   Wood Beam Sizing
   Framing Calculator

   Contact us



You can use our useful Roof and Stair Designer calculators now. The current 2021 revisions are online for use with any computer, tablet or phone.

Click here for the Stair Designer

Click here for the Roof Designer

Roof Designer

The Roof Designer module calculates code compliant attic sizes, plus exact fascia and soffit dimensions. Accurate rafter cutout dimensions are shown on the layout screen.

Screen shot of the Roof Designer module.


Get all the detail dimensions right the first time...

Screen shot of the Roof Designer module.


Stair Designer

The Stair Designer module figures out stair tread and riser dimensions, including corrections for headroom clearance and floor finish thickness. Here's a typical stringer layout. Adjust floor to floor height, number of risers, riser height, or tread width. Enter floor finishes for precise rough framing.

Stair detail.


Cutting layout and all dimensions based on board width are calculated.

Screen shot of the Stair Designer module.

Framing Calculator modules will run on most all popular internet browsers with Javascript enabled.

Copyright © 1994-2024 NorthBridge Software Inc.
All Rights Reserved.