If the flashinghas kraft paper or polyethylenefilm, these coatingsmay delaminate. Additional information for flashing singlewythe walls, particularly architectural concrete masonry walls, and means for providing a higher level of structural continuity at. The economy and functionality of these details which include the most common thruwall flashing locations will compliment masonrys inherent quality as a durable building material. Where specific dimensions are given on details in this manual, they should be. Masonry institute of washington 10519 ne 38th place, building 12 kirkland, wa 98033. Tek 19 5a flashing details for concrete masonry walls ref. Tms 402 building code requirements for masonry structures 5. Manual for the design of hollow core slabs, prestressed concrete institute, 1985. Ncma tek 57a floor and roof connections to walls 2001. The flashings and trims shown in this book are standard parts. Cad base wall flashing details arcat free architectural cad drawings, blocks and details for download in dwg and pdf formats for use with autocad and other 2d and 3d design software. This compilation includes hundreds of details for brick, block, and stone masonry systems, as well. Natural thin veneer stone, 3part csi guide specification download pdf download rtf.
These details must be used in conjunction with teifs current product specifications, product data sheets, and application instructions. Finished grade see alternate base of wall detailsgrace drawing sw3 sill detail masonry opening head flashing permabarrier wall flashing. Tech note 21b brick masonry cavity walls detailing parker block. This consists of building a concrete masonry wall with cables within the cells, similar to a prestressed concrete element. System wall sheathing has a builtin waterresistivebarrierthatletsyousay goodbye to housewrap forever. In construction without basements, the flashing may also serve as a termite shield.
Flashing single wythe walls at the ends of bar joists which utilize wall pockets for bearing is shown in figures 8 and 8a. Flashing acts as a barrier, which redirects moisture away from building interiors and back toward the exterior of the wall. Determine the throughwall flashing installation above the opening vertical and horizontal substrates, height of vertical leg needed for top termination, etc. Minimum requirements for exterior walls on major projects involving new buildings. Water can enter the wall system at numerous locations, including individual masonry units, mortar joints, the interface between the mortar and the masonry units, at the tops of walls, at cracks, and at penetration details such as windows, doors, and pipes. A sheet waterproofing membrane or waterresistive barrier is utilized to flash over the back leg of the metal flashing see figure 4. Commercial flashing details the second detail, above, also shows a horizontal control joint, but the through wall flashing is composite flashing. Ct07 base flashing on concretemasonry wall with metal counterflashing. Few sealants adhere effectively to bitumen coated flashing. Zip system wall sheathing can be used with a range of exterior. Throughwall flashing should be installed on a smooth surface and care. Masonry walls national concrete masonry association, 1994. Exterior masonry design standards manual minnesota state.
Metal window sillextruded aluminum sill with rain deflector 211. The top edge of the flashing is lapped a minimum of 4 by building paper. The third type of counterflashing is used for exterior wall coverings of several types. Custom trims are available to meet your specific design needs. Wall system brick veneer, cmu backup, rigid insulation, fluidapplied ab. Used as the lineal flashing in conjunction with standard hyload cloaks and can be used in builtin flashing applications with masonry, concrete, gypsum. Download details pdf and cad files for hyloads throughwall masonry flashing, including window heads, jamb closure membranes. Recommendations are provided for the development of successful details using brick masonry and other materials. Installation guide for adhered manufactured stone veneer, 4th edition 2nd printing january 19, 2015 tms 602 specification for masonry structures tms 602aci. The ends of the flashing need to be properly dammed laterally to prevent water from running off the ends of the flashing. Detailing of brick masonry is both an art and a science. If you need a special trim, please furnish a drawing of the desired shape, in.
New developments in masonry wall design include the use of prestressed masonry. The ins and outs of masonry flashing masonry magazine. Through wall flashing is used at all points where moisture may enter the wall, and in selected places particularly susceptible to water damage. Masonry wall systems wbdg whole building design guide. Camber a slight arching or upward curve of a beam or softit. Detailing of caps, copings, corbels and racking is specifically addressed. Recommendations are provided for the development of successful details using brick masonry. The purpose for flashing is to prevent moisture from deteriorating steel angles or other building components. Commercial flashing details the second detail, above, also shows a horizontal control joint, but the throughwall flashing is composite flashing. Permabarrier wall flashing selfadhesive, rubberized. Straight flashing for tiled roof abutting a masonry wall. However, the wall flashing should always be terminated with one of the details illustrated at the end of this document. See flashing strategies for concrete masonry walls, tek 194a and flashing details for concrete masonry walls, tek 195a, refs. The exposed portion of the flashing is a sheet metal drip edge secured held in place by mastic or sealant, with a.
At the base of walls, a sheet metal flashing assembly that extends from the face of the backup wall through the masonry should be used to form a drip outside the wall. Permabarrier permabarrier is a 40 mil selfadhering, selfsealing, selfhealing, rubberized asphalt and polyethylene composite membrane that provides multilevel thruwall flashing protection by limiting water intrusion and diverting infiltrated moisture back to the exterior. Masonry detailing series list international masonry institute. The hyload flashing membrane is a tough watertight sheet membrane, combined with hyload preformed shapes, provides an excellent barrier to interior water entry in masonry wall construction. Mason contractors are usually directed to install flashing with their masonry product. Technical notes 36a brick masonry details, caps and copings, corbels and racking rev sept. The following wall coverings are commonly used over woodframe and masonry construction. The flashing must typically rise at least 8 from the low point at the exterior face of the building to the high point inside the wall. Architectural specs and detail drawings natural stone.
Visit masonry institute of michigan for the generic wall design single wythe exterior details. Button in setting masonry, lead discs or other materials to carry the weight of the superincumbent stone while the mortar is green and curing. The flashing at the base of the wall should extend out to the face of the masonry so water is directed out of the wall and cannot travel back under the flashing and into the wall below the flashing. Should be resistant to staining the adjacent masonry and other. Simply install the panels, tape the seams, and you have a structural wall sheathing, waterresistive barrier and air barrier allinone. Any other materials shown in any details are incidental to the details, and are included only for clarity of the teifs eifs. Flashings and weeps masonry flashing shall be composite copperasphaltkraft paper.
Water penetration resistance design brick industry association. Published construction details in this manual are intended. Common flashing materials include synthetic membranes peel and stick and metals, such as copper and stainless steel. The masonry detailing series mds is an exhaustive collection of illustrative construction details and diagrams produced by international masonry institute imi for architects and engineers to use as a design resource. Detailing of sills and soffits is specifically addressed. This masonry base of wall detail shows a flexible thruwall flashing mechanically fastened to the cmu. The window, door, and wall penetration details are based on those prepared for c. Roofing contractors association manual, publications of the national. Foundation wallbrick veneer intersection woodframe wallflashing 23 detail 2. If there is a fastened air barrier of any kind covering the backing wall, cut and fold it in an upward position to expose the area that will receive the flashing. Chris makepease from the alberta department of public works. Exterior cladding components and best practices exterior. Tek 195a flashing details for concrete masonry walls ref.
Masonry detailing series international masonry institute. Flashing details this technical profile illustrates many of the most common flashing details for residential and commercial buildings. Brick masonry details, caps and copings, corbels and racking. A variety of systems can be used for exterior wall construction or. In addition it serves to move any moisture out away from the inside of the wall. Any details shown are strictly for the purpose of illustrating typical teifs eifs.
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