![]() Dry wall repairs are not included here, but have been written about extensively in other contexts. The approaches described in this Brief stress repairs using wet plaster, and traditional materials and techniques that will best assist the preservation of historic plaster walls and ceilings–and their appearance. For both reasons, plaster walls and ceilings contribute to the historic character of the interior and should be left in place and repaired if at all possible. Plaster can also serve as a plain surface for irreplaceable decorative finishes. Of more concern to preservationists, however, original lime and gypsum plaster is part of the building’s historic fabric–its smooth troweled or textured surfaces and subtle contours evoke the presence of America’s earlier craftsmen. ![]() A building owner needs to think carefully about the condition of the plaster that remains plaster is often not as badly damaged as it first appears. It resists fire and reduces sound transmission. First, three-coat plaster is unmatched in strength and durability. But there are practical and historical reasons for saving it. Historic plaster may first appear so fraught with problems that its total removal seems the only alternative. This variety and the adaptability of the material to nearly any building size, shape, or configuration meant that plaster was the wall surface chosen for nearly all buildings until the 1930s or 40s. Plaster could be treated in any number of ways: it could receive stenciling, decorative painting, wallpaper, or whitewash. It provided a durable surface that was easy to clean and that could be applied to flat or curved walls and ceilings. ![]() Technical Preservation Services (TPS), Heritage Preservation Services Division, National Park Service prepares standards, guidelines, and other educational materials on responsible historic preservation treatments to a broad public.Ī versatile material, plaster could be applied over brick, stone, half-timber, or frame construction. Make sure to see our next video ‘Scanning for Metal’ for more information.This publication has been prepared pursuant to the National Historic Preservation Act of 1966, as amended, which directs the Secretary of the Interior to develop and make available information concerning historic properties. This isn’t perfect as you can’t tell the exact edges and centers of the studs but you’ll at least be able to locate the rows of nails attaching the laths to the studs behind the wall. When you scan with a metal scanner you’ll actually be looking for the nails holding the laths to the stud. You can use a tool like the MultiScanner i520 which has a metal mode or a tool designed specifically for locating metal, like the MetalliScanner m40. The best way to find a stud through a wood lath and plaster wall, is to actually use a metal finder. ![]() So why is it hard to find studs behind this? Well stud finders are scanning for changes in thickness and density and all this variation of keys and laths throws off the tool. When it dries the plaster bulges or keys holding the plaster to the lance. Plaster is spread on the surface and pushed through the cracks. This is the back of a lath and plaster wall, you have the studs and attached to the studs are thin horizontal slats, called laths. You’ll find them today in older and rural homes. Today we’re going to cover scanning a lath and plaster wall.īefore drywall became popular many walls were built in the lath and plaster style. “Hi this is Eric with the Zircon Tip Minute. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |