MUX Construction INC is a trusted NYC construction company offering expert interior and exterior services, including masonry, renovations, brickwork, and waterproofing. Serving Brooklyn, Queens, Bronx & more.
Based in Brooklyn, NY — MUX Construction provides foundation and basement waterproofing across all five NYC boroughs. Exterior membrane installation from the outside, or interior basement waterproofing from within — we assess your situation and recommend the right approach.
Licensed and insured. Work guaranteed. Built to last.
MUX Construction provides foundation and basement waterproofing for NYC residential and commercial buildings. The most effective long-term solution is exterior membrane waterproofing — applied directly to the outside of the foundation wall before water ever makes contact. However, for many NYC properties, interior basement waterproofing is the practical choice — faster, less disruptive, and no excavation required.
MUX assesses your property on-site and recommends the right approach — exterior membrane, interior basement waterproofing, or a combination of both. We serve all five NYC boroughs. For above-grade masonry waterproofing see our masonry waterproofing NYC page. Whether you're dealing with a wet basement, foundation crack repair needs, or a foundation waterproofing membrane that has failed, MUX provides same-day response across all five NYC boroughs.
We provide professional exterior foundation waterproofing for residential homes, co-ops, condos, and multi-family buildings. Licensed and insured.
Visible water entering through foundation walls or floor-wall joints — a wet basement is the clearest sign of failed or absent exterior waterproofing. Basement water leak issues require professional assessment before more damage occurs.
Efflorescence — white chalky deposits on concrete or block walls — indicates water is moving through the foundation regularly.
Horizontal, vertical, or diagonal cracks in poured concrete or block foundation walls — active cracks allow water entry and worsen over time.
Chronic basement moisture, musty odors, or condensation on walls — indicates ongoing water vapor movement through the foundation.
MUX Construction is fully licensed and insured for all exterior foundation waterproofing work across NYC. Free on-site assessments, same-day response.
Brownstones, rowhouses, single-family homes, co-ops, condos, HDFC buildings — we waterproof all NYC foundation types.
Call 347-662-9611 or fill out the form — a MUX specialist responds same day for all five NYC boroughs.
The most effective and longest-lasting solution. We excavate around the foundation perimeter, clean the wall surface, apply a professional-grade rubberized membrane, install a drainage board, and backfill — stopping water before it contacts the foundation.
A dimple drainage board installed over the waterproofing membrane creates a clear drainage path — directing water down to the footer and away from the foundation wall, eliminating hydrostatic pressure.
Before any membrane is applied, the foundation wall is thoroughly cleaned and all active water entry points treated with hydraulic cement to stabilize the surface.
For properties where exterior excavation is not practical — attached rowhouses, finished basements, or limited site access — interior basement waterproofing is the right call. MUX applies waterproofing coatings to basement walls and addresses active leaks from the inside. Faster, less disruptive, no excavation required.
Brooklyn and Manhattan brownstones frequently have no original waterproofing membrane. Full exterior membrane installation for attached and semi-detached properties.
Homeowners across Queens, Staten Island, and the Bronx dealing with wet basements or foundation moisture. Full project from assessment through backfill.
Co-op boards and condo associations responsible for shared foundation walls. Full project documentation and minimal disruption to residents.
Landlords managing 2–20 unit buildings where foundation water infiltration affects multiple tenants. Efficient scheduling and full project records.
HDFC co-ops across the Bronx and Brooklyn — transparent pricing, efficient scheduling, and full documentation provided.
Pre-war residential buildings requiring experienced contractors familiar with older foundation types and NYC building code requirements.
We inspect the foundation, identify all water entry points, assess the foundation type, and determine the correct waterproofing system.
Exact scope and pricing before any work begins. No surprise costs.
For exterior work: foundation wall excavated, cleaned, and all cracks treated before membrane application. For interior basement waterproofing: wall surface prepared and active leaks stabilized before coatings are applied.
Exterior: membrane applied, drainage board installed, foundation backfilled. Interior: waterproofing coatings applied to basement walls, drainage addressed. All work guaranteed.
MUX Construction handles all foundation and basement waterproofing for NYC properties — exterior membrane installation, interior basement waterproofing, drainage board systems, and foundation crack repair.
Exterior foundation waterproofing membrane installation and waterproofing foundation walls from the exterior. For properties where excavation is not possible, interior basement waterproofing applied from within. We assess each property and recommend the right system.
Foundation crack repair, sealing foundation cracks, basement water leak identification and repair, and exterior basement waterproofing for foundations with active water infiltration. Foundation crack epoxy injection where appropriate for structural crack repair.
Foundation waterproofing cost varies by scope, foundation type, and access. MUX Construction provides free on-site assessments with exact pricing — no guesswork. Licensed and insured foundation waterproofing contractors serving Brooklyn, Queens, Manhattan, the Bronx, and Staten Island.
Foundation and basement waterproofing across all five NYC boroughs. Exterior membrane or interior approach — free on-site assessment to determine the right solution. Same-day response. Licensed and insured.
Same-day response — Mon to Sun, 8am to 7:30pm.
Foundation and basement waterproofing across all five NYC boroughs. Exterior or interior — same-day response. Licensed and insured.
