Free Span Limits of Cabinet Shelving For wide cabinets with double doors and no center stile, how far is too far for the shelves to span? Here are suggestions for stiffening wide span shelving. March 27, 2012
Span Limits for Plywood Shelving Over three feet, and you're looking at potential sagging issues. Pros discuss span limits and shelf stiffening options. November 11, 2005
Frameless Shelf Spans Cabinetmakers discuss the span limits of 3/4-inch shelf material, and share tips on mid-span supports and a stiffening valance. December 28, 2005
Stiffening Long-Span Shelves Woodworkers discuss torsion boxes and steel-angle reinforcement for long-span shelf situations. November 11, 2005
MDF for Built-In Closet Shelving A discussion of MDF's structural suitability for closet shelves and upright shelf support frames. March 3, 2009
Bowing in a Panel Glue-Up Woodworkers consider why a one-inch thick shelf made up of a 3/4-inch wood layer glued to a 1/4-inch MDF layer came out of the vacuum bag bowed. October 13, 2012
Engineering a Wide Pull-Out Table Furnituremakers puzzle over ways to construct to a wide-span, narrow table able to roll away from the wall as needed. November 3, 2010
Torsion Box Shelf Ideas Concepts and examples for strong lightweight torsion-box book shelves. February 25, 2009
Shelf Stiffening Methods A discussion of shelf spans, shelf materials, and reinforcing methods to prevent sagging. April 10, 2008
Making Money with LEAN Systems A thread that starts out with a question about stock versus custom cabinetry turns into a lesson in LEAN systems. October 13, 2010
Tricked-Out Job Trailers An extended thread on how to customize your "shop on wheels" for convenience and efficiency. August 13, 2007
Re: shelf span A message posted at WOODWEB's Cabinetmaking Forum (9/20/21) -- There are zero problems with warpage when applying various width/thickness pieces of w ...
Max span for thick plywood shelves A message posted at WOODWEB's Cabinetmaking Forum (1/11) -- Hello, I'm looking for some advice/input on the max span for some adjustable bookcase she ...
heavy duty shelf pins A message posted at WOODWEB's Cabinetmaking Forum (10/16) -- Every once in a while we have a cabinet with extremely long adjustable shelves. Although ...
Re: shelf span A message posted at WOODWEB's Cabinetmaking Forum (9/21/21) -- If I had the machinery and the budget, I'd use solid hardwood shelves. With my equipme ...
Re: shelf span A message posted at WOODWEB's Cabinetmaking Forum (9/25/21) -- You can also use honeycomb door core and skin it. Think of the strength of an interior ...
Re: Max span for thick plywood shelves A message posted at WOODWEB's Cabinetmaking Forum (1/15) -- I have 3/4/ shelves with 1.5" hardwood edges that.were rebate/glue/screwed and plugg ...
Re: shelf span A message posted at WOODWEB's Cabinetmaking Forum (9/24/21) -- The cabinets in the photos are both torsion boxes of 1/4" MDF, ply 2 sides, with ...
Re: Shelf Construction A message posted at WOODWEB's Cabinetmaking Forum (12/26) -- Torsion box shelves. They are strong. MDF? I'm not sure about that. I always use plywood ...