RECOMMENDED USES

ACFoamCrossVent and CrossVent RB have been designed for use over sloped unventilated roof decks. Slopes must be appropriate for the type of roof system specified. The primary purpose of CrossVent and CrossVent RB is to provide a thermally efficient insulation with uniform cross venting that promotes air circulation required by many shingle manufacturers.CrossVent and CrossVent RB allow heat to dissipate while providing a nailable surface and efficient insulation in a one-step labor saving process.