Carpet, Tile-Grout, Upholstery Cleaning Phoenix, AZ 
480-773-8227
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Black carpet edges along baseboards
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The most likely cause of this common and irritating problem is a small draft or airflow under the baseboard, wall or floor. The air in our homes contains small amounts of dust, oils and other suspended particles. As the air flows under the baseboard, the carpet filters out some of this debris, leaving the dark line. The dirt is particularly troublesome because it consists of tiny particles (particularly soot) that adhere tightly to the carpet fibers, and it’s usually out of reach of the vacuum.
You can often prevent future black lines by reducing airborne soot, that is, your use of candles; wood fires; unvented gas, oil or kerosene heaters; and gas stoves without range hoods. A malfunctioning gas- or oil-burning furnace or water heater can also dump soot inside your home. Be sure to have your combustion appliances serviced regularly to avoid potential soot problems.
Other solutions are more difficult. You can call in a heating/cooling specialist to better balance the supply and return ducts to your rooms. In an unbalanced room, the supply (incoming) air can pressurize the room and force air out through whatever cracks are available. (Sometimes this results in a dirt line under the door!)
You can also pull up the edge of the carpet and caulk the crack or gap under the baseboard. This doesn’t always work because the gaps are often difficult to get at and seal well. The best time to do this is when you’re installing new carpeting.
The most likely cause of this common and irritating problem is a small draft or airflow under the baseboard, wall or floor. The air in our homes contains small amounts of dust, oils and other suspended particles. As the air flows under the baseboard, the carpet filters out some of this debris, leaving the dark line. The dirt is particularly troublesome because it consists of tiny particles (particularly soot) that adhere tightly to the carpet fibers, and it’s usually out of reach of the vacuum.
You can often prevent future black lines by reducing airborne soot, that is, your use of candles; wood fires; unvented gas, oil or kerosene heaters; and gas stoves without range hoods. A malfunctioning gas- or oil-burning furnace or water heater can also dump soot inside your home. Be sure to have your combustion appliances serviced regularly to avoid potential soot problems.
Other solutions are more difficult. You can call in a heating/cooling specialist to better balance the supply and return ducts to your rooms. In an unbalanced room, the supply (incoming) air can pressurize the room and force air out through whatever cracks are available. (Sometimes this results in a dirt line under the door!)
You can also pull up the edge of the carpet and caulk the crack or gap under the baseboard. This doesn’t always work because the gaps are often difficult to get at and seal well. The best time to do this is when you’re installing new carpeting.
Good news! We can remove these lines for you!
Our 5 step process typically eliminates these lines.
1. Vacuum all dry particles out of carpet
4. Saturate edges with 230 degree cleaning solution.
5. Steam and extract soot and carbon particles.
6. Repeat if necessary.
This process will typically cost 75 cents per linear foot, some extreme case may be more. <<<Back to Home
2. Pretreat with solvent remover solution to begin breaking down the soot and carbon based particles in the carpet.
3. Rake carpet edges to agitate solution deep in to carpet fibers.4. Saturate edges with 230 degree cleaning solution.
5. Steam and extract soot and carbon particles.
6. Repeat if necessary.
This process will typically cost 75 cents per linear foot, some extreme case may be more. <<<Back to Home
