A análise de custos para vedações internas: estudo comparativo entre drywall e alvenaria cerâmica

Abstract

Currently, the domestic market is experiencing a growing demand for alternative methods in civil construction, driven by the desire to reduce project timelines and costs while simultaneously aiming to increase production efficiency. Dry construction methods have been gaining an increasingly significant share of this market. In this context, this study proposes a qualitative and quantitative analysis of the construction methods involving ceramic block masonry and dry construction. The specific focus of this study is to examine and calculate the differences in structural loads, assess execution productivity, and determine the costs involved between the two systems. The adopted methodology is based on a case study, with data collection conducted through document analysis and onsite monitoring of the construction project. To obtain the estimated results of this research, there was a comparative analysis of structural loads, taking into consideration the weights of each partition, productivity assessment through the Unitary Production Ratio (UPR), and cost determination using the spreadsheet from the National System of Costs and Indexes for Civil Construction (SINAPI) and cost composition spreadsheets from the Department of Urban Development and Public Works (SEDOP). Based on the results obtained in this case study, we conclude that gypsum board walls stand out in comparison to conventional masonry, presenting notable advantages such as lower costs, ease of compliance with regulations, higher productivity, and a lighter structure.