Lead Paint Abatement

Lead paint abatement is defined as a set of measures designed to eliminate or reduce lead-based paint hazards. However, removal of lead paint can create even more hazards if not done properly. For this reason, a professional, skilled in lead paint abatement methods, should perform the job.

There are a number of effective lead paint abatement techniques commonly used for both exterior and interior painted surfaces. The Environmental Protection Agency (EPA) has conducted research on the safest, most economical and most effective abatement methods. The three most used abatement techniques are encapsulate paint remover systems, carbon dioxide blasting systems and stabilization testing systems.

Encapsulate paint remover systems have been found to successfully remove lead-based paint from indoor surfaces. An example of this technique is the use of a chemical stripper made up of potassium hydroxide and proprietary polymer, which is applied to the paint and then scraped off with a putty knife. PR-40/LEADX is another liquid chemical paint remover comprised of a lead immobilizer and a paint remover. This product immobilizes the lead particles in the paint and renders them non-leachable. Indoor surfaces treated by encapsulate paint remover systems remain suitable for re-painting.

Carbon dioxide blasting systems for lead paint abatement include palletized/granulated CO2 blasting, which uses shaved block dry ice to make the surface abrasive. Blasting with carbon dioxide makes the paint fracture into chips after it leaves the surface. This abatement process is not effective on indoor surfaces that need repainting. Because this type of lead paint abatement destroys the paint, it forces a high amount of lead into the air, creating a hazard for anyone who inhales it. Only professionals should be in the vicinity of the abatement area during a carbon dioxide blast. Cryokinetics is another word for the pelletized carbon dioxide blasting method of lead paint abatement.

Stabilization technology systems are effective in removing lead-based paint from wood and brick when they are applied using a wet abrasive blasting system. Surfaces that undergo this type of abatement treatment will only need light sanding or mortar before being repainted. One type of this abatement technology is called Pre-Tox 2000, a cement- and paint-like mixture applied with a Torbo blasting system and then removed along with the paint underneath it.

Precautions should always be taken when performing any kind of lead paint abatement project. Ventilation should be assessed before removal of any kind begins. Debris and dust should be well contained. In some cases, when the lead paint is in fine condition, it doesn''t pose a threat to anyone who comes into contact with it. In these instances, lead paint encapsulation - or the covering up of the lead areas without removing them - may be more economical and just as effective as lead paint abatement. A professional analysis of the extent of lead exposure will help determine the best course of action.

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