7/10/2023 0 Comments Hilti anchors in exs concrete slab![]() Therefore, a 3/4” x 4, 3/4” HILTI anchor inserted into a 3,000 PSI concrete slab will require a force of 6,250 lbs. Tension is the force applied vertically to the anchor let’s call it “Pull Out” force. Yes, let’s first learn a few important terminology to understand why Torshel’s units are capable of remaining attached to the slab even during an EF5 tornado. If the unit will be installed outdoors, then a new concrete slab must be poured before installing a safe room, following Torshel’s guidelines. Normally, storm shelters are installed inside the house or in the garage. ![]() ![]() ![]() How is the above ground shelter anchored?Īll our safe rooms must be anchored properly to a concrete slab that weighs at least 2 cubic yards has steel reinforcement, has wire or rebar and is not severally cracked.
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