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Eco-Friendly Lead Encapsulants

The walls of many older buildings and homes may have been painted with harmful lead-based paint. The United States Environmental Protection Agency (EPA) and the U.S. Department of Housing and Urban Development (HUD) has set certain lead paint regulations to ensure the safety of anyone buying, selling, renting, or renovating one of these older buildings. One of the regulations relates to the process of safely covering and painting over lead paint effectively. Encapsulating lead paint, or creating a barrier between lead-based paint and the environment, is one way to decrease the risk of exposure to lead and creating a health hazard.


According to HUD, before any lead-based paint encapsulation is performed, it should be determined whether encapsulation products can be used on the specific surface. Lead encapsulants should not be used on window or door jambs, metal surfaces prone to rust, surfaces with existing coatings that may deteriorate, or surfaces with existing thick paint that can’t support additional weight stress. Once it’s determined the surface is safe to encapsulate, the following lead paint encapsulation procedures should be followed:

  • Perform surface field tests
  • Evaluate environmental requirements, such as abrasion resistance
  • Review manufacturer test data of selected lead paint encapsulant performance
  • Run one Test on each area being encapsulated; this process will vary depending on the lead-based paint encapsulation product used and area being treated
  • Prep the worksite area and repair any surface being treated, such as caulking cracks and fixing leaks
  • Clean and prepare surface
  • Ventilate the area
  • Monitor temperature and humidity during lead paint encapsulation to ensure it follows encapsulate manufacturer instructions
  • Once lead-based paint encapsulate has been applied, its condition should be monitored six months from application and every year thereafter
  • Encapsulation records should be kept up-to-date for future occupants


Lead Stop® Lead Encapsulating Compound

Dumond Chemicals offers a lead-based paint encapsulating compound that is not only safe to use, but as a non-toxic, low VOC product, it’s safe for the environment as well. After treating a surface with Lead Stop®, there’s less of a chance lead-dust will disperse during renovation projects. Lead Stop® not only encapsulates lead-based paint, it also protects the surface from deterioration and cracking, providing long lasting defense from surface impact, movement, and aging.


Lead Stop Mastic and Encapsulation

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