Technical Bulletins

Up to date product information, solutions and best practices are addressed in our technical bulletins. Need a solution – call us at 1 800 887 4708

Upgrade to VTruss Walls & Ceilings for Higher Windloads

We are pleased to announce an improvement to our V Truss Walls & Ceilings product with addition of Twin Trac wires at every truss.   V Truss for Walls & Ceilings was originally designed to improve the performance of stucco on overhead surfaces with key elements that work together to provide

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Technical Bulletin 101 – Note to Wire Tying Exemption

Structa Wire laths do not require wire tying of side laps as specified in Section of ASTM C1063.   There is no limit on maximum overlap distance in either direction. NOTE: In situations where the two courses of the lath are not laying flat and in close proximity of the

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Recommended Fastening VTruss Walls & Ceiling Lath

Issued: July 2015 – Revised June 2020   VTRUSS Walls & Ceilings or Structa Rib Lath is designed for superior performance of stucco on overhead surfaces. To determine best installation practices Structa Wire has conducted tests on direct attachment of soffit laths to wood framing, without sheathing. Two lath types

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All Structa Wire lath products are galvanized in accordance with ASTM standards and building codes. However, if any galvanized products are not stored correctly and come in contact with moisture for extended periods during storage, they can be affected by corrosion, starting with white rust and potentially progressing to red

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Risk of Corrosion in Wall Cladding Systems

May 4, 2010 – Revised May 2023 Corrosion of steel laths in stucco plasters is an ongoing concern. All of our lath and corner reinforcement products are hot galvanized to provide corrosion resistance. However it must be noted that the galvanization requirement per ASTM Standards provides protection during storage, before

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Comparing VTWC Soffit Lath and Traditional Rib Lath

Hi-Rib expanded metal lath was developed and used for stucco soffits and ceilings for many decades. However, this lath was always susceptible to cracks forming after curing along some of the ribs or at the longitudinal overlaps. Since there were no alternatives, the industry lived with these problems for all

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