MN Lathe and Plaster won't let me pay them to come and give an opinion. He ignored several small sections (reverting to his assertion that the screed exists - it's under the stucco and the remediation he agreed to was just for cosmesis) This yard is very wet so it's hard to believe that some of the stucco, but not all, needs a vapor escape system. When the stucco was off the house - I took pictures and there was no metal lathe under - the lathe was placed by the stucco vendor secondarily and a screed now exists for 90% of the house. It seemed fishy and after a few go arounds between lawyers, he agreed to remediate the stucco. The builder said for cosmesis - the screed was under the stucco. After final inspection - it was noted that there was no "weep screed". I've had some difficulties with the builder. I have just built a modern home with first floor (slab on grade) stucco exterior (in Minnesota). This article is a continuation from STUCCO EIFS DRAINAGE SYSTEMS Reader Question: my builder either omitted or covered over the weep screed, then came back to fix the problem - is it OK? improper placement of the weep screed such that water may enter the building structural wall cavity.īecause these SNAFUS do occur, stucco experts (cited here) prescribe remedies for weep screed repair or retrofit to reduce the chances of wall damage from trapped water.anything that causes blockage of the weep screed drain bottom edge opening such as obstruction by backfill, decking, or paving.the omission of the weep screed entirely.Common mistakes that can lead to water trapped within the stucco wall system include Proper placement of the weep screed is at the bottom of the stucco wall coating, extending visibly to the building exterior and installed between the building housewrap or air/water barrier and any manufacturer-specified wall flashing system. Definition of weep screed:Ī stucco wall weep screed is a component specified by stucco wall system manufacturers to assure that any water that penetrates the wall coating, such as at leaks around the mounts for exterior lighting or at windows or doors will be drained safely to the building exterior.Ĭlick to enlarge the page top weep screed schematic and you will see that a proper weep screed installation must integrate this wall bottom flashing among (typically) seven layers of materials outside of the building's structural wall sheathing. We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. This article series discusses best practices construction details for building exteriors, including stucco exteriors, exterior caulks and sealants, and choices and application of exterior finishes on buildings. The page top illustration, adapted from Dryvit Corporation's foundation weep screed specification details, shows the position of the stucco wall coating weep screed at the wall bottom where it serves to any wall water penetration to the building exterior. The discussion includes a definition of weep screed, citation of building codes relevant to weep screeds, and references to expert sources on weep screed requirements & specifications for various stucco wall drainage systems. This article discusses the role of the weep-screed in stucco wall drainage systems. Weep screed requirements for stucco wall drainage systems: We have no relationship with advertisers, products, or services discussed at this website. InspectAPedia tolerates no conflicts of interest.
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