LAMTEC
For wood roof assemblies Lamtec recommends many of the same vapor retarders currently supplied for use in Metal Buildings.
Unlike metal building installations, typical Wood Roof Assemblies require the vapor retarder facings be held in place by staples.
Consequently, stronger, heavier duty vapor retarder facings such as: WMP-10, WMP-30, WMP-50 and R-3035HD are better suited for these assemblies.