Norcross water extraction, explainedfrom the first hour to dry floors

Water extraction is the physical removal of liquid water from a building before drying starts. It relies on pumps for deep standing water, on portable or truck-mounted extractors for carpet and hard floors, and on wands that press into carpet to squeeze water from the pile and pad. A wet vacuum from a hardware store belongs to the same family, though on a very different scale.

It comes first because liquid water is far easier to remove than water vapour. Every gallon lifted out by a machine is a gallon that does not have to evaporate into the room and then be captured by a dehumidifier. In a humid place like Norcross, where the air often has little capacity to take on more moisture, that difference shows up as days on the drying schedule.

Extraction is not the whole job, and any company that packs up after it has not finished. Water that has soaked into a subfloor, the bottom of a wall or a crawl space will not come out through a hose. That stage belongs to structural drying, which has its own page, and the two are planned as one sequence.

A submersible pump handles deep water, for example in a flooded lower level or a low point of a crawl space. It moves large volumes and does the early, heavy work, but it cannot get the last inch or so. A truck-mounted extractor uses a powerful vacuum that runs from a vehicle outside through long hoses, while a portable extractor does a similar job in places where hoses cannot reach, such as an upstairs apartment or a condominium.

For carpet, the choice is between a hand wand and a weighted or stand-on tool that compresses the carpet and pad. Compression matters, because the pad acts like a sponge. On tile, sealed concrete and vinyl, squeegee heads and floor wands work better. Hardwood needs particular care, because seams hide water and heavy suction can only do so much; specialist floor-drying mats may be used afterward.

Moisture meters and sometimes a thermal camera come into play here too. They do not remove water, but they do show how far it travelled, so the operator knows where to extract and which rooms need opening up. A contractor who never takes out a meter is guessing about the extent of the loss.

Discharge is a practical problem on many Gwinnett lots. Piedmont soils like the Cecil and Gwinnett series are classed as well drained, yet surface runoff is listed as medium or more on sloping ground, so water sent onto a hillside yard can easily find its way back to the house. ^{[5] [6]} A careful operator looks at the slope and runs the discharge hose to a suitable point, and avoids sending contaminated water into a storm drain or a neighbour's yard.

Buildings matter too. Many Gwinnett houses of the 1970s and later have daylight lower levels, where one wall opens to grade and another is cut into the hill. Water often collects along the buried side. In apartment buildings along Buford Highway, the question is what happens to the unit below, and whether hoses can get up the stairs at all. In the old downtown district around Thrasher Street, the floors you are extracting from may be original wood rather than modern subfloor, and may call for a gentler approach. ^[7]

Power is another local consideration during a storm. If the neighbourhood is out, a contractor needs generators, and you should check that extraction hoses and cords are not running through contaminated water. Your electricity provider in Gwinnett could be Georgia Power or an EMC, depending on your address, and Peachtree Corners lists several. ^[8]

EPA guidance is that wet materials should be dried within 24 to 48 hours to help prevent mold. ^[1] Extraction starts the clock running in your favour. Carpet pad holds a lot of water; while it stays in place, the room stays wet and the humidity stays high. As a rough guide, the earlier the extraction, the better the chance of keeping carpet and drywall, and the less there is to tear out later.

After a storm or a widespread freeze, many homes need help at once. During the December 2022 cold snap, burst pipes hit apartments and businesses across the metro area, with reports describing water pouring through hallways and units. ^{[3] [9]} At times like that, contractors may be booked up. Whatever you can safely do yourself, such as closing the water, moving contents and lifting rugs, still helps while you wait.

A properly extracted room should have no standing water, and carpet should feel damp rather than wet. Drying equipment should already be set up or scheduled the same day. You should have some record of the readings taken and an explanation of what comes next. Contents should be somewhere safe. If pad, baseboards or lower drywall came out, those should be listed.

Things may look a little worse afterward: carpet pulled back, baseboards off, holes near the floor. That is often normal. What is not normal is a fully wet room left with one fan and no plan. The structural drying page describes what the next stage should involve, and the drying-time guide sets out how long it usually takes.

Extraction is usually the first step in a wider job. A burst pipe in the attic will send water down through insulation and ceilings into several rooms, and the burst pipe page describes that pattern. Runoff into a lower level, on the other hand, usually needs a look at grading, gutters and footing drains once the water is out. If the water is sewage, the Gwinnett sewage guide applies first, because the county may need to clear its main.

Questions of who pays and what is covered belong with your insurer. It is sensible to photograph the water before extraction starts if you safely can, and to keep the contractor's readings. The insurance guide on this site explains what to keep and how to frame the claim.

Kitchens are harder than they look. Water slides under base cabinets and behind the dishwasher, and the toe kick hides it. A contractor may remove the kick plates to reach the space beneath, then slip a narrow tool or air hose in. Bathrooms are usually tile on a thin substrate, so the surface clears quickly while the layer below stays damp. Laundry rooms upstairs usually send water straight through a ceiling, which means two rooms to extract rather than one.

Stairs and landings collect water in their carpet and often have pad stapled at every tread. Garages are mostly straightforward, apart from the stored boxes that soak up water and wick it into the wall behind them. On a finished lower level, the buried side of the room commonly holds the deepest water, and carpet tack strip may need to come up along that wall.

Furniture sitting in water wicks it upward and can bleed stain into carpet. Foil or plastic blocks under the legs stop that for pieces that cannot go anywhere else. Books, papers and photographs should go first, since they degrade quickly. If important papers are soaked, the usual advice is to keep them cool and flat until you can get specialist guidance rather than to peel them apart while wet.

Upholstered pieces, mattresses and stuffed items soaked by clean water are sometimes recoverable, but after sewage or floodwater they usually are not. Ask the contractor for an itemised list of anything removed, and take your own photographs before it goes. Electronics that got wet should stay unplugged until checked. Plugging in a wet appliance to see whether it still works is how a small loss becomes a dangerous one.

Water on an upper floor does not stay there. In a typical two-storey Gwinnett house it passes through the subfloor, soaks the ceiling insulation or drywall below and then spreads along the joists. Extraction therefore happens twice: once on the floor where the leak occurred, and again in the rooms beneath it. Light fixtures and ceiling fans in the lower room need attention before power is restored.

Equipment access matters as well. Long hoses on stairs are a trip hazard, and a portable unit may be the better choice in tight quarters. Ask for hoses to be routed clear of the main path through the house, particularly if anyone at home has limited mobility.

Before the crew moves on, walk the rooms with them. Press carpet edges with your shoe, look behind doors and check closets, because those corners are easily missed. Ask what was left wet on purpose and why, and agree when someone will return to take the next readings.