01There is water in my basement right now — what should I do first?
Handle electricity and contamination before anything else: do not enter standing water that may reach outlets, cords, a furnace, a water heater or the panel. Close a plumbing shutoff if that is the source. Photograph the high-water line, the first wet spot and the sump before cleaning, because that evidence disappears with the water. Wet porous materials generally need drying or removal within about one to two days.
Read the emergency first-steps guide →02Which basement waterproofing company is best in Vermont?
There is no single company that is best for every home. Compare the measured scope, drainage and discharge plan, sump equipment, structural responsibility, restoration, maintenance, warranty and total installed price. Homeowners here often weigh proposals from several regional companies, including Northern Basement Systems, Twin State Basements and 802 Waterproofing; judge the written scope in front of you rather than the name on it.
Compare Vermont basement companies →03Can I get another estimate after Northern Basement Systems, Twin State or 802 Waterproofing?
Yes. A separate inspection can show whether both proposals cover the same drainage length, pump and discharge work, structural components, demolition, restoration and warranty. The lower price is not automatically the better value when the scopes are different.
Request a second estimate →04Why does a Vermont basement leak after rain or snowmelt?
Common paths include cracks, porous masonry, window wells, bulkheads, the wall-floor joint, rising water below the slab, overwhelmed footing drainage and a sump or discharge that cannot keep up. Roof runoff, settled grading and frozen outlets can add to the same event.
Read the rain and snowmelt guide →05How much does basement waterproofing cost in Vermont?
The price depends on the actual work: linear footage, interior or exterior access, excavation depth, foundation material, sump and discharge, demolition, electrical work, finish restoration and structural repair. Compare itemized scopes instead of relying on a national price range.
Review Vermont cost factors →06Is interior drainage or exterior waterproofing better?
Interior drainage collects water that reaches the basement perimeter and carries it to a sump or outlet. Exterior waterproofing exposes and protects the outside of the wall. The better choice depends on the water path, wall condition, access, finished space and where the water can safely discharge.
Compare interior and exterior systems →07Does a horizontal basement-wall crack need structural repair?
A horizontal crack can accompany inward wall movement and deserves an on-site structural evaluation, especially when the wall is bowed, displaced or changing. Crack sealant alone does not stabilize a moving wall.
Review bowing-wall repair options →08Can an old stone foundation be waterproofed?
Yes, but older stone foundations often need several coordinated repairs: compatible repointing or rebuilding, exterior water correction, wall drainage, interior collection and humidity control. A hard coating over loose mortar is not a complete repair.
See stone-foundation services →09How do you keep a sump-pump discharge from freezing?
The exterior line should drain after each cycle, avoid low spots and restrictions, terminate where snow and ice will not block it and include a safe relief strategy when appropriate. A backup pump usually cannot help if every pump shares the same frozen discharge.
Read the Vermont winter-discharge guide →10What should crawlspace encapsulation include?
A complete scope may include bulk-water drainage, a sealed reinforced liner, wall and pier detailing, sump work, air sealing, insulation changes and dehumidification. Structural damage, pests, mold work and radon mitigation should be identified separately when they apply.
See crawlspace services →11Should a Vermont home be tested for radon after basement work?
Yes. Vermont health guidance recommends testing because radon cannot be seen or smelled, and renovation or air-sealing work can change conditions in the lowest level. Waterproofing and encapsulation are not substitutes for a radon test or mitigation system.
Read the Vermont radon guide →12Where can a sump pump discharge in Burlington, Vermont?
City guidance says the discharge must go outside, remain on the property and not connect to the public sewer, cross onto neighboring property or discharge into the City right of way. The outlet also needs to avoid returning water to the foundation or creating winter ice.
Read the Burlington discharge guide →13Does homeowners insurance cover basement water in Vermont?
It usually depends on how the water arrived rather than how much damage it caused. Policies commonly treat a sudden plumbing failure differently from gradual seepage, often require a separate endorsement for sewer or drain backup, and generally exclude flood, which is covered through the National Flood Insurance Program or a private flood policy — and FEMA states NFIP coverage begins 30 days after purchase. Your declarations page and insurer decide your case; Vermont's Department of Financial Regulation handles insurance questions and complaints.
Read the Vermont coverage guide →14What affects sump pump installation cost in Vermont?
The pump is rarely the main cost. Cutting a new pit through the slab, adding a dedicated electrical circuit, routing a discharge to a safe outlet, and adding battery or water-powered backup with a high-water alarm are each separate items. Winter matters here: a discharge that cannot drain between cycles freezes and disables every pump sharing it.
Review Vermont sump cost factors →15How can I tell condensation from a leak on a basement wall?
Tape a square of foil or plastic tightly to a dry section of wall and leave it two days. Moisture on the room-facing side means condensation forming from humid indoor air. Moisture trapped between the sheet and the masonry means water is moving through the wall, which is seepage. The two look similar and are corrected completely differently.
Read the condensation guide →16What does a crack in my basement floor mean?
Most basement slabs are not structural, so fine random cracks usually reflect concrete shrinking as it cured and are cosmetic. What matters is displacement — one side higher than the other — a crack that keeps widening, water arriving through it, or a floor crack appearing alongside wall cracks and sloping floors. Those point at movement below or beside the slab.
Read the floor crack guide →17Why are my floors sloping or bouncy?
Usually the support system below: a post settling into an inadequate footing, a sagging or undersized beam, joist ends decayed by moisture over a damp crawlspace, or foundation settlement. Many older Vermont homes settled early and stopped. Dated measurements tell you whether it is still moving; memory does not.
Read the sloping floor guide →18Do sticking doors mean foundation problems?
Usually not. Seasonal humidity swells wood in summer and releases it in the dry heating season, and that reverses each year. Foundation movement produces binding that persists, gaps that taper rather than stay parallel, latches that no longer align, and it rarely appears alone.
Read the sticking doors guide →19Is a leaning chimney dangerous?
It can be. A masonry chimney is a tall, heavy, largely unbraced mass, so a lean is a falling hazard. Where the chimney serves an active furnace, boiler, water heater or stove, movement can also open joints in the flue and create a path for combustion gases. Both are reasons to have it assessed rather than watched.
Read the leaning chimney guide →20Should I test for mold in my basement?
EPA states that in most cases, if visible mold growth is present, sampling is unnecessary, and that no EPA or other federal limits have been set for mold or mold spores. EPA treats an area under about 10 square feet as one most homeowners can clean themselves. The priority is correcting the moisture, then removing the growth.
Read the basement mold guide →21Why does my basement smell musty?
Musty odour is microbial growth on something damp: cardboard and stored belongings, carpet padding, framing, paper-faced drywall or bare crawlspace soil. It is driven by ground moisture, humid summer air condensing on cool surfaces, a slow leak, or an earlier flood that was never fully dried. Masking the smell changes nothing.
Read the musty smell guide →22Why are the floors above my crawlspace cold?
Because the space below is effectively outdoors: open vents, uninsulated walls, insulation that has fallen or absorbed moisture, and air leaking up through the rim joist and penetrations. Damp soil makes it worse. The durable fix controls ground moisture and air leakage first, then insulates.
Read the cold floors guide →23Does a Vermont basement bedroom need an egress window?
Below-grade sleeping rooms generally require a second means of escape, usually an egress window or a walkout door. The required clear opening, sill height and well dimensions are set by the code your town enforces, so confirm them with the local official before any foundation wall is cut.
See egress window installation →24Why does my bulkhead leak even after a new door?
Because the leak usually was not the door. Water commonly enters at the joint where the frame meets the foundation, or collects in a stairwell whose drain is blocked or missing. Both continue after a new hatch is installed over them.
See bulkhead and cellar door replacement →25Where should a French drain discharge?
To a point lower than the drain that can accept the water: daylight on a slope, a dry well sized for the volume, or a pumped outlet where gravity is unavailable. It cannot connect to the sanitary sewer, and in Burlington sump and drainage discharge must remain on your own property.
See French drain installation →26Why did my walkway or patio sink but the house did not?
Exterior flatwork usually sits on backfill rather than undisturbed soil or a footing, and that fill settles while water moving through it carries fines away. The house sits on a footing below frost depth, which is why the two move independently.
See concrete leveling and slab repair →27Is a vapor barrier the same as crawlspace encapsulation?
No. A vapor barrier is the sheet that stops ground moisture evaporating into the space. Encapsulation is the complete system: drainage, a sealed and detailed liner, air sealing, insulation changes and usually dehumidification. A liner alone is one component, and it should never be installed over standing water.
See vapor barrier installation →28What should a foundation inspection report contain?
The conditions actually observed, the likely cause with the evidence supporting it, the recommended scope with quantities, what is specifically excluded, and any question that could not be answered without further investigation. Photographs and measured crack widths give you a baseline to compare against next year.
See what an inspection covers →29Does a Vermont contractor have to be registered?
The Vermont Secretary of State states that any residential contractor performing residential construction where the estimated value is $10,000 or more, inclusive of labor and materials, is required to register under 26 V.S.A. section 5501(b). Registered contractors must also maintain liability insurance and execute a written contract.
Review service standards →30What should I do before winter to protect my basement?
Test the sump by pouring water in until it starts on its own and confirm water leaves the far end of the discharge, then repeat with the primary pump unplugged to test the backup. Clear gutters and window wells, extend downspouts away from the wall, and check that the discharge outlet cannot be blocked by snow or ice.
Read the fall checklist →31How do I properly test a sump pump?
Pour water into the pit until the float starts the pump on its own, then go outside and confirm water is actually leaving the far end of the discharge line. That tests the float, the pump, the check valve and the whole discharge as one system. Lifting the float by hand only proves the motor runs. Repeat with the primary pump unplugged to test the backup.
Read the sump testing guide →32How do I know if a foundation crack is getting worse?
Mark both ends with a dated pencil line, mark one fixed measuring point across the crack, record the width there with a gauge or calipers, and photograph it with a ruler in frame. Repeat each season. Three or four dated readings across a year answer the question; recollection does not.
Read the crack monitoring guide →33How do I stop my sump discharge line freezing?
Make sure the line falls continuously with no sagging low spots that hold water between cycles, clear the outlet of soil and vegetation before the ground freezes, mark the outlet so you can find it under snow, and check it after heavy snowfall and thaws. A backup pump sharing a frozen line offers no protection.
Read the winterizing guide →34Which Greater Burlington towns have basement and foundation service?
Service is available in Burlington, South Burlington, Winooski, Colchester, Essex, Essex Junction, Williston, Shelburne, Charlotte, Hinesburg, Milton, Richmond, Westford, Jericho, Underhill, Cambridge, Jeffersonville and Fairfax.
Choose a town →