Xci BarriBond XL is a high-solids, silane-terminated polyether (STPE) based compound designed for detailing penetrations, sheathing joints, countersunk screws, transitions, angle changes, and other critical details encountered in continuous insulation systems. Xci BarriBond XL is a single-component, moisture-cured adhesive/sealant which is applied from a sausage caulking gun, then smoothed in place with a trowel or squeegee. The product is formulated for clean, easy application over horizontal, vertical, and inverted surfaces.