Case Studies
ReGrid Surface Mount Straps Overhead Installation
The concrete Span-Crete box planking over the crawlspace was experiencing major rebar corrosion in this Wisconsin residence. Fortress Carbon Kevlar Re:Grid straps were used to reinforce the failed rebar. Spacing was designed based on the loss of tensile strength from the failed steel. Anti-corrosion treatment and cleaning of corrosion was also performed on the remaining…
Read MoreInterstate 95 Florida Skate Park
The Miami Park Authority in cooperation with The Nick Katz Charitable Foundation partnered together to build several skate parks under the I95 freeway viaducts. A construction error occurred in one of the parks in Miami as contractors drilled into structural girders to hang lighting. FDOT required the removal of the lighting and that the area…
Read More“Cold Pour” Basement Wall Repair with InvisiBeam Straps
This non-reinforced, cold pour foundation wall showed significant cracking. The cracking worsened over the years leading to a structural deficiency that required repair. The repair included the use of Fortress Stitch and Seal kits, which included ReGrid Stitches, Xtreme #4070 Gel Epoxy as a surface seal, and Xtreme #4040 injection resin. Following the crack repair,…
Read MoreWall Shear
Project Scope: Residential block foundation built in 1930s. All walls were in various modes of failure. Slab and footer were poured monolithic. Two walls were deemed too far out of tolerance to repair and were therefore replaced. Solution: InvisiBeam Carbon Kevlar straps with top anchor and bottom anti-shearing anchor were used on remaining walls, which…
Read MoreCorner Repair
Project Scope: 14 course high un-reinforced 12″ cement block basement wall failure. The corner of the inside basement/garage wall had broken and pulled away. Other cracking was evident but the corner repair was urgent. Solution: The vertical corner crack was injected with Fortress toughened epoxy and allowed to set up. A Fortress “corner stabilization…
Read MoreBrick Foundation Wall with Lead Paint
Project Scope: Older homer with bowed brick foundation walls. Walls contained lead paint. Solution: Paint was ground off with Hepa filtration grinding system. A second Hepa filtration vacuum was running to eliminate any escaped dust. Wall was ground flush for installation of Fortress Carbon/Kevlar straps Back wall had to be re-tuckpointed and then parge coated…
Read MoreInvisiBeam Installation on Glazed Tile Wall
Project Scope: Stabilization and horizontal cracking in glazed tile foundation Solution: The walls required extensive grinding due to the unevenness of the Glazed Tile. Significant stabilization concerns lead to tightened strap installation spacing of 32” on center. Also with large span of window opening, horizontal straps were installed to carry load to vertical straps placed on…
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