ASTM C1788
Standard Specification for Non Metallic Plaster Bases (Lath) Used With Portland Cement Based Plaster in Vertical Wall Applications
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About This Item
ASTM C1788 is the ASTM standard for non metallic plaster bases (lath) used with Portland cement based plaster in vertical wall applications. It helps define a consistent technical basis for products used to support plaster systems, making it easier to evaluate materials for suitability, quality, and expected performance. For buyers, specifiers, and manufacturers, this standard matters because it supports clearer product comparison and more reliable selection for wall assembly use.
What is ASTM C1788?
ASTM C1788 is a specification focused on non metallic plaster bases, often referred to as lath, when they are intended for use with Portland cement based plaster on vertical walls. As an ASTM standard, it provides a structured reference for the material category and its intended application. The standard is useful when a project needs a defined product basis for material acceptance, procurement, and quality control. ASTM C1788 helps align expectations around the plaster base itself rather than the complete wall system.
Where is ASTM C1788 used?
This standard is commonly used in construction and specification work involving vertical wall plaster applications that rely on non metallic lath as a base for Portland cement based plaster. It is relevant to product selection, submittal review, and material purchasing where a project calls for a defined plaster base specification. ASTM C1788 may also be used by manufacturers and distributors that supply non metallic plaster base products for wall assemblies and related finishing work.
Why is ASTM C1788 important?
ASTM C1788 is important because it gives projects a shared technical reference for a specific type of plaster base. That supports more consistent procurement and evaluation, especially when comparing products from different suppliers. Using a recognized ASTM specification can also reduce ambiguity during submittals, testing, and quality review. For vertical wall plaster systems, clear requirements help support better compliance and lower the risk of using materials that are not suited to the intended application.
- Non metallic plaster base specification
- Portland cement based plaster applications
- Vertical wall use only
- Material selection and compliance reference
- Quality control and product evaluation
- Publication Date: 2020-11-19
- Publisher: ASTM
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