Exterior Painting in Mableton, GA

Older houses usually carry many coats of paint, and the bottom layers can be very different from what is sold today. When exterior painting in Mableton involves a house built decades ago, one of the first questions is whether any of those old layers contain lead, because that changes how scraping, sanding and cleanup are done.

Testing comes first, and the usual decisions about primers, caulk, mildew and metal are then made around the answer.

Is there lead in the old paint?

Lead was a common paint ingredient for much of the last century, and homes built before 1978 are the ones most likely to have it somewhere under the newer coats. A house that age does not necessarily contain lead, and a newer house may have been painted with leftover stock, so testing is the reliable way to know.

Quick test kits give a basic answer on the spot. For a firmer answer, paint chips can be sent to a lab, or an inspector with an X-ray fluorescence analyzer can check many surfaces in one visit. If testing is skipped on an older home, the safer approach is to treat the paint as if it contains lead. For paid work that disturbs paint in homes built before 1978, the U.S. Environmental Protection Agency sets lead-safe work practice rules, and its guidance is the authority on the details.

How lead-safe preparation changes the job

The goal is to keep paint dust and chips from spreading into the soil, the house and the neighbors’ yards. In practice that means:

• Plastic sheeting on the ground beneath the work, extended well past the wall.
• Windows and doors near the work area kept closed.
• Misting surfaces before scraping so dust stays down.
• No open-flame burning, and power sanding only with tools attached to a HEPA vacuum.
• Daily cleanup of chips and debris, bagged and removed rather than left on the ground.

These steps take more time than ordinary prep, so the estimate should state plainly whether lead-safe methods are included.

Peeling and chalking on layered paint

Thick, old paint films lose flexibility and crack as the wood beneath them moves with the seasons, so peeling on an older house often runs deep. Loose paint is scraped back to a firm edge and the edges are smoothed. Chalky surfaces are washed with low pressure and a scrub brush rather than a high-pressure blast that would scatter chips.

Full removal down to bare wood is rarely needed. Stabilizing the sound paint and covering it with a fresh, intact coating is usually the practical route.

Primer and topcoat over old layers

Many older exteriors have oil-based paint somewhere in the stack. A water-based topcoat does not bond well to glossy, aged oil paint, so a bonding primer goes on first wherever the surface has been scraped or sanded. Bare wood gets an exterior primer suited to the species. Some homeowners ask about encapsulating coatings, thick products designed to seal lead paint; these have their own application rules and are discussed if they fit the situation.

Caulk, mildew and metal on an older house

Old glazing, hardened caulk and gaps around trim are common. Failed caulk is cut out, keeping the dust and scraps on the plastic, and replaced with a flexible exterior sealant that suits the joint. Mildew on shaded walls is cleaned off and rinsed before priming, since paint applied over live mildew lets it grow back through the new film.

Steel railings, old gutters and metal porch posts often carry several layers of paint over rust. Loose material is removed with the same care as on wood, rust is treated, and a rust-inhibiting primer goes on before the finish coats.

Keeping the household and garden safe

Children and pets should stay away from the work area while scraping and cleanup are under way. Vegetable beds and play areas next to the house are covered or kept off-limits until the final cleanup is done. Ladders and planks are set so they do not tear the ground covering, and the route for carrying debris to the truck is planned before work starts.

Where Mableton permit questions go

Mableton is in Cobb County, and the City of Mableton Building Division is where to find out whether structural, plumbing or electrical work connected to your project calls for a permit. For work beyond the exterior, our Mableton remodeling page lists other services.

Questions about painting an older Mableton house

How can I find out if my house has lead paint on the outside?

Test it. Home test kits give a quick indication on a scraped spot, but they can miss lead in lower layers. Sending paint chips to a laboratory, or hiring an inspector who uses an X-ray fluorescence analyzer, gives a more reliable answer. If your house was built before 1978 and you would rather not test, plan the work as though lead is present.

Is it safe to keep a vegetable garden near the house during scraping?

It is safer to protect it. Beds next to the walls should be covered with heavy sheeting during scraping and sanding, and anything growing there should not be harvested until the final cleanup is complete. If testing shows lead in the old paint, ask about soil testing near the foundation, since chips from earlier paint jobs may already be in the soil.

Does old lead paint have to be fully removed before repainting?

Usually not. Removing every layer creates far more dust and debris than stabilizing the surface. The common approach is to scrape loose paint, smooth the edges, prime and cover everything with a sound new coating that keeps the old layers sealed. Full removal is reserved for situations like badly deteriorated trim, where replacing the piece may be simpler.

Plan the repaint of an older home

Phone 404-409-4448 and let us know roughly when your house was built and what the paint looks like now. We can arrange a visit, talk through testing and preparation, and write up an estimate that shows how the old paint will be handled.