- +1 (603) 235-9598
- joe.m@nh-dry.com
- Barrington, NH 03825
- Mon - Sun 7:00 am - 7:00 pm
We handle basement waterproofing, crawl space drainage, and sump pump installation so you get a dry foundation without recurring leaks, often in just days.
Trusted by Local Families
Standing water after every storm, that persistent musty odor that won’t leave, cracks widening along the foundation, and the worry that your storage and living space will never stay dry. These problems rarely fix themselves.
The longer water finds its way in, the more damage accumulates. Mold spreads. Property value drops. And the repairs you could afford today become the expensive emergency you face tomorrow.
NH Dry Basement LLC handles basement waterproofing, crawl space drainage, sump pumps, and vapor barrier installation for Lee families and businesses who need lasting protection from moisture damage. We work across drainage systems, battery backups, and dehumidification setups built to keep basements and crawl spaces dry through every season.
Every project reflects the family-owned, small-town approach that’s made this business a reliable name. Our team brings hands-on experience in soil prep, interior perimeter drainage, concrete slab work, demo and removal, and mold prevention systems designed to outlast the next storm.
Punctual, honest, and ready to stand behind the work. Your Lee property deserves a basement that stays dry, clean, and ready for whatever comes next.
Homeowners dealing with foundation leaks get perimeter drainage, sump pumps, and vapor barriers that stop water intrusion for good.
Your basement stays dry season after season, preventing damage that drags down resale potential and repair costs.
Controlled humidity means your HVAC runs less, reducing monthly utility costs without sacrificing year-round comfort.
Moisture barriers and ventilation eliminate musty odors and mold risk, keeping your family's air cleaner every day.
Our basement stayed dry through the last two major storms, something we haven’t been able to say in years. The crew walked us through every step, answered all our questions, and cleaned up after themselves every single day. The new drainage system and sump pump have given us real peace of mind.
They fixed a crawl space drainage problem three other contractors said was too complicated. The difference in our air quality upstairs is noticeable.
We have 100+ 5-star reviews on
So you can stop worrying about water damage and get back to living in a basement that stays dry year-round.
We walk every corner of your basement or crawl space, ask about trouble spots, and map out exactly what needs fixing.
You get a written plan showing which sump pump, drainage line, or vapor barrier will solve your water problem for good.
We install every piece of equipment, test the system while you watch, and leave you with a dry space that stays dry.
Every step mapped out before installation begins.
Vague quotes with no detailed plan.
Same crew from inspection through final walkthrough.
Different faces every single visit.
Proper materials and clean installations you can inspect.
Corners cut where nobody sees.
Jobs finished on time, not on excuses.
Timelines that stretch week after week.
Every installation backed by a written guarantee.
Warranties that quietly vanish after signing.
Written estimates with every sump pump and drainage line itemized
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Vague quotes lacking detail or breakdown
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Precision-fit vapor barriers and drainage channels designed to last decades
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Quick installs that skip crucial sealing steps
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Firm start dates so your family can plan ahead
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Vague timelines and unpredictable crew arrivals
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Tidy crawl spaces, protected floors, and respectful interactions daily
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Debris left behind and muddy foot traffic
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Battery backup pumps and tested dehumidification to guard your home
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Basic fixes that ignore long-term moisture risk
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Every drain is graded correctly so water flows away from the foundation without pooling or backup.
Heavy-mil polyethylene is installed with overlapped seams and taped edges to stop ground moisture completely.
Cast-iron submersible pumps with float switches and battery backups handle heavy rain without failing overnight.
Perforated drain pipe is bedded in clean gravel and wrapped in geotextile fabric to resist clogs.
Concrete slab cutting and removal is done with dust control and careful hauling so your home stays livable.
ENERGY STAR rated units run continuously in the background to hold humidity below mold growth thresholds year-round.
From waterproofing to drainage systems, we handle moisture control across the region. Every job uses materials chosen for New England’s freeze-thaw cycles and heavy spring runoff.
Installation typically takes one to three days depending on system scope and soil conditions. Water stops pooling within hours after the drainage channels and sump pump are running.
Yes. Adding a battery backup or upgrading to a dual pump setup fits most existing pits. The installation usually takes a few hours if the basin is accessible.
Heavy foot traffic, sharp objects, rodents, or improper installation can puncture or pull seams apart. Proper thickness and secure attachment prevent most damage over time.
Yes. Interior perimeter drains paired with a sump pump manage groundwater even when the water table sits close to floor level. The pump evacuates collected water before it surfaces.
Test every three months by unplugging the primary pump and watching the backup activate. Battery terminals should be cleaned annually and the battery replaced every three to five years.
Contact NH Dry Basement LLC for reliable waterproofing solutions, straight answers, and service designed to protect your home from moisture damage.
