Is the use of barrier membranes a major change to Simpson’s original product recommendations with pressure-treated wood?
No, barrier membranes are an alternative option for providing additional corrosion resistance in certain applications (there is no requirement to use a barrier). Simpson Strong-Tie still recommends the use of stainless steel fasteners, anchors and connectors with treated wood as the most effective solution to corrosion risk. Simpson’s ZMAX® (G185) connectors and Hot-Dip Galvanized fasteners (per ASTM standards) are also recommended as the minimum for corrosion resistance with several types of pressure-treated wood. See T-PTBARRIER (PDF) and T-PTWOOD (PDF).
Related Questions
- What type of research and testing was conducted to determine the effectiveness of barrier membranes with pressure-treated wood?
- Is the use of barrier membranes a major change to Simpson’s original product recommendations with pressure-treated wood?
- How should barrier membranes be used with pressure-treated wood?
