Lead Paint Precautions in Older Homes

Stop before the first scrape on any frame in a house built before 1978, and the breakdown sitting on san bernardino window contractor ptag online lists why in order. A window replacement in San Bernardino, CA often means older paint, and the oldest layers of paint on a wood frame can contain lead.
Why old frames are a concern
Lead was added to paint for decades because it made a hard, durable coat. Window sashes and frames are friction surfaces, so the paint wears into fine dust every time a sash moves. That dust settles on the sill and the floor below. Houses near the California Theatre and the older blocks downtown fall squarely in the age range.
Testing first
A lead test swab on a sample of the paint gives a quick answer, and a lab test gives a firm one. The result decides the method. If lead is present, the contractor follows the EPA rules for renovation work in older homes, which cover training, containment and cleanup.
Containment while working
Plastic sheeting covers the floor and extends beyond the work area. Doors and vents are sealed with tape. The window is removed whole when possible, since cutting or scraping makes more dust. Water mist keeps dust down when something has to be cut.
Cleaning properly
A HEPA vacuum is used for the first pass, followed by wet wiping. Dry sweeping spreads fine dust and is never used. The plastic is folded inward and bagged, and the area is checked with a damp white cloth, which shows any dust left behind. Across San Bernardino County, a house of this age can have several layers of paint on one frame, so the wipe test is repeated on the sill and the floor below the window, and the result is noted on the job sheet for the owner.
Protecting people
Children and pregnant women stay out of the area until cleanup is done. Workers wear a respirator rated for fine dust, and they wash before eating. Clothes worn during the work stay at the job site or are bagged for laundering separately. Houses in the Inland Empire with older wood windows are common, and the rules apply to the contractor, not to the owner who does the work in a house where they live, though the same care protects a family.