- US Product Overview: TJI Joists with Flak Jacket Protection
- Canadian Product Overview: TJI Joists with Flak Jacket Protection
- Frequently asked questions for TJI Joists with Flak Jacket Protection
- Fire-Rated Assemblies and Sprinkler Systems
Achieve a one-hour fire-rated assembly with just a single layer of gypsum and no expensive mineral wool. New TJI Joists with Flak Jacket protection save you time, maximize labor, reduce costs and complexity, and enable faster, more efficient construction.
Like all TJI Joists, no special tools, training or handling are required; you can cut and drill the joists as usual and use standard hangers for quick and smooth installation. TJI Joists with Flak Jacket protection deliver Weyerhaeuser quality and reliability backed by our service and support.
- View warranties covering Weyerhaeuser wood products here.