I Will putting a wood shelf on a TV stand distribute the TV's weight?

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Using a wood shelf on top of a TV stand may help distribute the weight of a heavy TV, but concerns about sagging remain. Reviews indicate that heavy TVs can cause the center of the stand to sag, particularly due to the design and materials used in the stand. The IKEA shelf could provide some support, especially if it is wider than the central gap in the stand. However, the structural integrity of the stand may still lead to eventual sagging, especially with the weight concentrated in the middle. A wall bracket for the TV is recommended for better weight distribution and to prevent damage to the stand.
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Trying to determine if putting a wood shelf on top of a TV stand will distribute the weight of a heavy TV enough to prevent sag in the center of the top board of the stand.
This is the TV stand I want to buy: https://www.wayfair.com/furniture/p...vs-up-to-80-w004939229.html?piid[0]=818726787

But reviews said heavy TVs cause the center of the top of the TV stand to sag (shown in photos in one-star reviews).

I own a 77-inch LG C3 TV that has a stand at its center.

I also own this IKEA lack shelf: https://www.ikea.com/us/en/p/lack-w...cks_Store_and_organise_furniture&gad_source=1

I plan to put the shelf on top of stand and then the TV on top of the shelf.

My question: Will the shelf will distribute the TV's weight across the entirety of the stand's top so it doesn't lag in the middle?
 
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whitecollar23 said:
My question: Will the shelf will distribute the TV's weight across the entirety of the stand's top so it doesn't lag in the middle?
In theory it will help, especially when the extra board is wider than the central gap in the stand.

At least as long your heavy TV doesn't break through this: "Filling material: Honeycomb structure paper filling (100% recycled)"
 
Welcome, @whitecollar23 !

It seems that it will sag eventually.
The location of the two vertical partitions is bending the bottom horizontal panel (note location at leg-leg midspan).
Then, that bottom panel is forcing the top panel to deform via the end vertical panels.

I would use the wall bracket of the IKEA shelf and support all the weight of the TV from the wall.
A dedicated TV wall bracket would also work, providing a cleaner solution.

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