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Helifix® Crack Stitch & Dryfix Systems Combine Forces In Restoration Of 1900’S Tobacco Warehouse

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Approximately 6,400 DryFix helical anchor ties were used throughout key focus areas of the tobacco warehouse’s north, south, and west elevations. Also, roughly 1,800 lineal feet of shelf angles were repaired using the system at a 3.5” x 3.5” angle for every floor at the top of the windows to support the brick masonry above.

Developed by Helifix®, Inc. over many years, the patented DryFix Remedial Pinning and Tying System provides an effective, economical, and stress-free retrofit connection between all commonly used building materials. The slim profile, precision engineered DryFix helical ties (stainless steel; grade 304 or 316) are made from a drawn stainless steel manufacturing process that creates the helical hi-fin design that more than doubles the proof stress. With its’ relatively small diameter, the system provides substantial tensile properties to the concrete.

Ideal for both cavity and solid masonry constructions, the DryFix system requires no special grouts, resins, or mechanical expansion, and is embedded within the existing masonry to be fully concealed−once installed.

CRACK STITCH PROFILE
Approximately 300 lineal feet of HeliBar was utilized to repair vertical cracking in the brick masonry for numerous focus locations of the tobacco warehouse.

Helifix’s Crack Stitching system is a cost-effective means of permanent crack repair, that is ideal for restoring the structural integrity and permanent repair of older cracks.

The system allows contractors to repair and redirect stresses on damaged masonry areas, and create a monolithic point to distribute loads. This is achieved by combining stainless steel (austenitic grade 304) HeliBar reinforcement rods with injectable, non-shrink cementitious HeliBond grout−producing a high compressive strength.

Once installed to the channeled-out mortar beds, the HeliBar rod’s hi-fin design delivers substantial axial strength while providing flexibility across the crack to accommodate natural building movement.

Because both the Crack Stitch and DryFix systems are installed into the existing masonry; expensive and time consuming tear down and rebuild were avoided while retaining the visual aesthetics of the structure. This effective combination made the systems ideal for the Lancaster Leaf Tobacco Company’s structural warehouse restoration project.

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Posted by FanningCommunications on Dec 1st, 2012 and filed under News. You can follow any responses to this entry through the RSS 2.0. You can leave a response by filling following comment form or trackback to this entry from your site

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