![]() ![]() Proprietary insulated drainage boards or mats are available that provide an unobstructed drainage path that eliminate the need for a clear airspace (ref. (51 mm) minimum airspace is recommended with air vents provided at the top and bottom of the wall because of the impermeable nature of the unit. Also when using glazed masonry veneer, a 2 in. If precautions are not taken, it is suggested that a wider airspace be utilized, i.e. Such precautions would include beveling the mortar bed away from the cavity or drawing a piece of wood up the cavity to collect mortar droppings. (25 mm) clear airspace works only if the mason takes precautions to insure that mortar will not bridge the airspace. (114 mm) are permitted only if a detailed analysis is performed on the wall ties per the International Building Code and Building Code Requirements of Masonry Structures (refs. (25 mm) clear airspace if rigid insulation is placed in the cavity. (25 to 114 mm) wide, with a minimum of a 1 in. For cavity walls, as illustrated in Figure 1, the cavity typically ranges from a minimum of 2 in. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |