Technical Bulletins

Structa Wire laths do not require wire tying of side laps as specified in Section 7.3.2.1 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

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

We are committed to improving the performance of our Structa Wire brand of products.   Recently, to add corrosion resistance to the VTruss Corner product,  a Class 3 galvanized wire was added at the nose wire.   The Class 3 wire has nearly 4-times the zinc of a Class 1 wire and

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

May 4, 2010 Revised Nov 6,2019   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

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