The MG-50 can be used through modern cavity wall systems and maintains the integrity of the air seal and assists the rain in maintaining weather tightness. Our product is a great solution for seal the cavity to fulfil the need where either a pipe or cable penetrates the air seal, whether the air seal takes the from of either a Rigid Air Barrier similar to Eterpan Cement Sheet or a building wrap, to seal between the air seal membrane and the penetration The MG-50 can be fabricate in different sizes and shapes on consumer request .