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  • Extra Mattress Support
  • Helps Prevent Sagging
  • Adds Comfort
  • Complies with Mattress Warranty
  • Fits Wide Range Bed Frames
  • Comes in Heavy Duty

A solid skeletal structure is imperative if you are trying to assure correct mattress support, comfort, and comply with the manufacturer’s warranty for the your mattress set and size.  Using 1 or more steel slats / middle bar braces with adjustable center legs can prevent sagging, breaking, cracking and bowing while saving you money and frustration. Most of our models include adjustable threaded legs to fit more bed heights while also being compatible with a wide range of bed rails and bed frames in virtually all sizes like king, queen,etc . Heavy duty or standard duty middle bracing is available by clicking below and you can learn more about preventing bed and mattress set damage or give us a call to help.

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1-888-STL-BEDS (1-888-785-2337)
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Showroom Location:
1360 Jeffco Boulevard
Arnold, Missouri 63010
Map / Directions

Store Hours:
Monday-Friday: 10am-6pm
Saturday: 10am-5pm
Sunday: Closed


3 Cross Rails & 3 Adjustable Legs Center Support System

$119.00 $107.00
Rated 4.88 out of 5

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Our Best-Selling center support system

The Glideaway GS-3 XS Universal Center Support fits the following sizes: Double/Full, Queen, King, or California King.
The ground-breaking design of the GS-3 XS Center Support system makes it very strong and is designed to retrofit and strengthen existing wood beds that include wooden side rails. The additional bracing is easy to install. The 3 cross support bars and 3 legs included adjust from bed heights as low as 6½ inches, up to 15½ inches tall. This measurement is taken from the bottom of boxspring to the floor. (Headboard and footboard not included and are shown for illustration purposes to demo how the 3 center support connects).
This product typically ships within 2-3 Business days.
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Heavy Duty Single Center Support for Steel Bed Frames & Wood Bed Rails

$56.00 $46.00

These days nearly every mattress manufacturer requires a center support underneath a boxspring to be warranty compliant. Others simply want the additional support for their  full or twin size box springs. Whatever application you decide to use W Silver Product’s FCS001 Universal Bed Frame Center Support for it this center beam fits the bill. Do you have a twin, full, or queen size box spring that does not have support currently?  Do you simply want to add extra support to the middle so your bed won’t sag? The FCS001 can do the job. It beefs up your existing steel frame or bed rails by adding 1 adjustable heavy-duty steel cross brace. The width of this brace telescopes wider or narrower using a C-Clamp and 2 pieces of 1 ½ hardened angle iron, and includes 2 legs with two adjustable feet.

NOTE: Fits Nearly All Queen, Full, and Twin Size Steel bed rails  and even steel frames that stand alone. It doesn’t matter if you have a headboard or headboard/footboard or your frame stands alone.

Learn More about this heavy duty middle brace below:

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Heavy Duty Center Support Bars Queen/King (Best)

Rated 5.00 out of 5

fs_prod1 (1)Glideaway’s BB 8-18K and the BB 8-18Q are universal center support bars. Originally built as Waterbed Center Support Bars they work for many different kinds of mattress sets and are the very best of the best when it comes to queen and king size middle bracing supports. STL Beds has been using these middle braces for the heaviest applications possible including larger heavy couples, queen and king softside waterbeds weighing up to 1100 pounds without anyone in the bed. Most people that buy this support system simply want the strongest middle supports available. Works best with beds that are of 8″ – 18″ tall measuring from the floor to the bottom of the boxspring. More details below.

Photo showing King Size from our showroom floor.
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BB5K Center Support Bars KingBB5Q Center Support Bars Queen

Heavy Duty Center Support Bars for Low Profile Beds 5.5-8″


fs_prod1 (1)Glideaways BB5K and BB5Q Super Heavy Duty Center Support Bars
are the best of the best when it comes to holding up lower height King, California King and Queen size beds. Here at STL Beds we have been using these middle braces for the heaviest of applications including larger individuals and heavy couples and with the extra bars and feet it can even hold up softside waterbeds weighing in at over 1100 pounds, and that is without anyone sleeping in the bed.  We maximize weight distribution with 8 adjustable feet on a queen and 12 on king size making it strong enough to support everything from regular mattress sets up to softsided waterbeds. Wow that’s capable of holding up a lot of weight. This is a lower profile support bar system that can be no taller than 7 7/8″ off the floor. (Details on measuring below) Perfect for those looking for our strongest center supports shop below and check them out.

Photo showing King Size from our showroom floor.
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