![]() ![]() Restoration: Restore 20 square feet of each type of plaster wall, ceiling, or trim for review by architect before restoring all plaster.Restoration: The restoration contractor must supply proof of work on this type of project by submitting a list of pertinent projects the applicator has worked on which includes the scope of work, the budget for the scope of work, and a way to contact the owner andarchitect of each project.Approved sample shall become the standard of comparison for all cement plaster work. Submit samples to the architect, 12" by 12" in size of finishes for approval.Product Data: Submit manufacturer's product specifications and installation instructions for each material, including other data as may be required to show compliance with these specifications.American National Standards Institute, Inc.American Society for Testing and Materials (ASTM).Lath and Plaster Standard: Comply with the Lath and Plaster Institute standards for application and finishing of Lath and Plaster, unless otherwise indicated.These guidelines should be reviewed prior to performing this procedure and should be followed, when applicable, along with recommendations from the Regional Historic Preservation Officer (RHPO). General Protection (Surface and Surrounding).These guidelines cover the following sections: See 01100-07-S for general project guidelines to be reviewed along with this procedure.Where current codes cannot be complied with, and/or construction limitations (including deterioration of existing substrate) are such that the intended finish cannot be achieved, notify the architect for clarification and/or decision prior to proceeding with the work.The contractor is to provide all necessary systems and materials as required to produce the intended finishes.Restoration: The work required includes finish restoration of original surfaces to the greatest degree possible, while complying with current codes and construction limitations.GENERALLY, THIS WORK SHOULD BE PERFORMED BY AN EXPERIENCED CONTRACTOR. This procedure includes guidance on re-lathing and re-plastering large surface areas with gypsum or Portland cement plaster.Method is the best alternative or compliant with current environmental regulations and safety standards. Serve as general guidelines and do not constitute a federal endorsement nor a determination that a product or Should only be applied under the guidance of a qualified preservation professional who can assess theĪpplicability of a procedure to a particular building, project or location. We’ve reviewed these procedures for general consistency with federal standardsįor rehabilitating historic buildings and provide them only as a reference. To serve as a resource, not a substitute, for specification development by a qualified preservation Or is compliant with current environmental regulations and safety standards. References to products and suppliers are to serve as a general guideline and do not constitute a federalĮndorsement or determination that a product or method is the best or most current alternative, remains available, ![]() All specifications require project-specificĮditing and professional judgement regarding the applicability of a procedure to a particular building, project or With the Secretary of Interior Standards for rehabilitating historic buildingsĪs understood at the time the procedure is added to the library. Strategic procrastination is the secret of period property ownership, as others here will attest.Prior to inclusion in GSA’s library of procedures, documents are reviewedīy one or more qualified preservation specialists for general consistency Or if it is actually a lath wall, then scraping back a divot and applying a stainless penny washer and screw into the lath works well (typically used to preserve historic ceilings). If you do want to keep yourself busy, a simple fix is to drill a small hole through the detached area and inject adhesive or slurry plaster (assuming the plaster IS on stone). The worst that could is that the area detaches and then you can patch replaster at that point. Unless it's a ceiling that may fall on you, nothing bad is likely to happen. ![]() I have plenty of such areas in my house that have been fine that way for the 25 years we've lived here. However, the good news is that practical experience tells me to leave them alone. Thirdly, to answer your actual question, you are correct that walls plastered onto stone shouldn't sound hollow and that the cause is likely that the plaster has blown (detached from the stone or underlying coats). You would be amazed how many walls appear to contain turning machines.Though, our pedants would instead pick you up on the fact that plaster directly applied to stone walls would not need laths (these are substrates for bridging hollow areas, such as ceilings or stud walls). Secondly, congratulations on correctly spelling lath. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |