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URM Building Retrofit Applications

                       
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Veneer Anchoring and Stitching

Veneer Anchoring

URM structures may have missing or inadequate ties between masonry veneer wythes and/or between the veneer and the back-up material. As an alternative to drilled adhesive dowels, Simpson Strong-Tie’s Heli-Tie serves as a cost effective retrofit veneer tie. The Heli-Tie is a stainless steel helical tie that is easily installed into a pre-drilled hole. During the installation process the stitching ties are countersunk into the veneer face by way of the installation tool making for an aesthetically pleasing appearance. The Simpson Strong-Tie Heli-Tie helical stitching tie provides a unique solution to the preservation and repair of damaged brick and masonry structures. Stitching ties are grouted into existing masonry joints to repair cracks and increase strength with minimum disturbance.

View Drawings in Gallery

Simpson Strong-Tie Products for Veneer Anchoring and Stitching

Joist Hangers

AT-XP® is a fast-cure, all-weather, high-strength anchoring adhesive and may be used to anchor threaded steel rods or deformed steel reinforcing bars in unreinforced masonry.

AT-XP High-Strength Adhesive
ET-HP Epoxy Adhesive

ET-HP® is an epoxy-based system for use as a high-strength, non-shrink anchor-grouting material and may be used to anchor threaded steel rods or deformed steel reinforcing bars in unreinforced masonry.

ET-HP Epoxy Adhesive
Steel Adhesive-Anchoring Screen Tubes

Screen tubes are used in hollow base material applications to contain adhesive around the anchor and prevent it from running into voids.

Steel Adhesive-Anchoring Screen Tubes

The Heli-Tie helical wall tie is a stainless-steel tie used to anchor building façades to structural members or to stabilize brick walls. The Heli-Tie helical stitching tie provides a unique solution to the preservation and repair of damaged brick and masonry structures.

Helical Wall and Stitching Ties

There are a number of epoxy solutions that may be used to repair structural concrete and masonry that cover a wide range of crack widths and applications.

Structural Epoxy Repair