how much weigh will one bracket support?

Used properly over a knee wall or inside a cabinet with 2x4 bracing this bracket can hold 300lbs per bracket.

How much weight does the 28" bracket support?

Not sure how much weight but we have a granite countertop that weighs around 200 lbs. We put the braces 16 inches apart on an overhang of 18 inches. Ask the company that is putting the countertops in, ours told us what was needed. It saved us hundreds by installing the brackets ourselves.

How many and at what length should I use for a 11' x 30" x 1.5" floating countertop? It'll be supportedby ledger board on 3 walls, and weighs 160lbs.

With an 11' run, we recommend 8 brackets spaced at 16" apart. We recommend the 28x14 Large Shelf Industrial Bracket. Catch each stud you have along the wall.

Item depth	10 inches
Mounting type	Wall Mount
Manufacturer	The Original Granite Bracket
UPC	635346896682
Part number	L20BL
Item Weight	3.74 Kilograms
Product Dimensions	50.8 x 6.35 x 15.24 cm; 3.74 kg
Item model number	LB-20
Size	20 Inch
Color	Black
Finish	Black
Pattern	L Bracket Countertop Support Bracket
Item Package Quantity	1
Number Of Pieces	1
Batteries Included?	No
Batteries Required?	No

The Original Granite Bracket Countertop Support 20" Steel L-

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