Slater Atlas Stone Lightening Insert

Slater Atlas Stone Lightening Insert

Lighten your atlas stone by adding a High Density Foam Lightening Insert to the mix. We use high quality foam so the heat caused from the curing of the concrete does not degrade the foam in concrete.

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Slater Atlas Stone Lightening Insert Reviews

Based on 3 reviews from Gym Radar users, the Slater Strength Slater Atlas Stone Lightening Insert have an average rating of 5.00 out of 5. They're currently the #8 most-owned Stones on Gym Radar, with 4 home gyms reporting ownership.

3 Reviews

5.00 / 5
Performance
5.00 / 5
Build Quality
5.00 / 5
Value
5.00 / 5

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JUICEDUP FITNESS
JUICEDUP FITNESS
124 reviews
1468 points
(5.00)
4/30/2026
The way I’ve seen it done is someone tying a piece of heavy twine through a weight plate and then putting it in the mold with the twine running out the pour hole. They then set the mold in a 5 gallon bucket they cut in half so it’s not as tall to use as a base to keep it steady as the concrete cures. They then put a saw horse on each side of the bucket and run a 2x4 between them and tie the twine around the 2x4 so that the weight plate is hanging in the center of the mold. Then they fill the mold with concrete and let it cure. When it’s done they cut the twine as close to the edge of the concrete as possible. So it came in handy...
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The Barbell Bunker
The Barbell Bunker
181 reviews
2044 points
(5.00)
4/11/2026
These are great for getting the most out of a single atlas stone. I tried cheaping out and using random styrofoam pieces which was more hassle than its worth. Get the really thing!
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Joseph Fuino
Calvary of Iron and Stone
146 reviews
1280 points
(5.00)
3/11/2026
Kind of a pain to get this in place where you need it before putting concrete in but it does work out extremely well !! Might be hard to see but I rigged something up to keep the tension on the strings
Performance
Value
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