Structural Repair • Water Damage • Rotted Wood • Historic Restoration

Construction Restoration & Structural Repair in New Jersey & Eastern PA

Structural restoration for water damage, rotted wood, sill plates, joists, sagging floors, masonry damage, underpinning, and older-home repairs.

Construction restoration should begin by identifying why the structure was damaged, not by covering the visible problem. Down Under Waterproofing restores damaged structural areas by finding the cause first. Depending on the home, the work may include framing repair, foundation repair, masonry, drainage, waterproofing, structural support, or exterior corrections that contributed to the damage.

Construction Restoration for Structural Damage, Water Damage & Older Homes

Construction restoration is the repair and rebuilding of damaged structural or exterior areas of a home after water intrusion, wood rot, foundation movement, masonry deterioration, impact damage, or long-term moisture exposure.

Our construction restoration services are designed for homes with damage that needs more than a cosmetic repair. We evaluate the cause of the damage, protect the structure during the work, and repair the affected areas with the correct waterproofing, structural, masonry, framing, or drainage solution.

Construction restoration NJ project showing historic farmhouse exterior before structural repair and siding restoration

Historic farmhouse before exterior restoration, structural repair, and siding replacement.

Restoration Starts With Finding the Cause of the Damage

Restoration work should not begin by covering damage. It should begin by finding out why the damage happened. Water, poor drainage, failed waterproofing, hidden leaks, settlement, termite damage, rotted wood, or structural movement can all affect the repair plan.

Down Under Waterproofing looks at the visible damage and the conditions behind it. That may include checking foundation walls, sill plates, joists, beams, columns, masonry, exterior walls, downspouts, grading, basement water intrusion, crawl space moisture, or above-grade water entry.

Construction Restoration Services We Provide

Every construction restoration project is different. Some homes need rotted wood replaced. Others need foundation support, structural framing, masonry repair, drainage correction, basement waterproofing, or a combination of services.

Water-Damage Restoration

We repair areas damaged by long-term water exposure, basement leaks, exterior water intrusion, poor drainage, damp crawl spaces, failed waterproofing, and moisture-related deterioration.

Rotted Wood, Sill Plates & Joists

We repair or replace damaged sill plates, rim joists, floor joists, subfloor areas, support beams, columns, and other structural wood affected by moisture, rot, or deterioration.

Foundation & Masonry Restoration

We repair damaged foundation walls, block walls, fieldstone foundations, brick masonry, structural masonry movement, cracks, deterioration, and impact damage.

Underpinning & Basement Support

We complete structural support work, basement underpinning, temporary shoring, foundation reinforcement, and related basement restoration when deeper structural work is needed.

Learn more about basement underpinning and foundation stabilization →

Historic & Older-Home Restoration

Older homes often need careful repair sequencing because framing, masonry, exterior sheathing, siding, windows, and foundation areas may all be connected.

Exterior Restoration & Water Control

We address exterior wall damage, flashing issues, entry points, stucco or masonry leaks, above-grade water intrusion, drainage, and exterior conditions that can damage the structure.

Why Moisture Control Matters During Restoration

The right restoration plan depends on where the water came from, how long it has been affecting the structure, and whether the material damage is cosmetic, structural, or both. When moisture is still active, restoration should be paired with the correct waterproofing or drainage correction before damaged materials are rebuilt.

The U.S. Environmental Protection Agency explains why controlling moisture is important when addressing mold and building damage. That is why we connect restoration work to waterproofing, drainage, crawl space moisture control, above-grade water entry, and foundation repair when needed.

Project Proof: Structural Restoration, Underpinning & Historic Repair

Real project examples help show the scope of structural restoration work. These projects demonstrate the types of structural restoration Down Under Waterproofing handles, including historic farmhouse restoration, vehicle-impact foundation repair, basement underpinning, masonry stabilization, and moisture-related structural repairs.

Historic Farmhouse Restoration

Older homes and outbuildings often require careful repair sequencing because exterior siding, sheathing, framing, windows, trim, and foundation areas can all be connected. This project shows exterior restoration from damaged older siding and exposed framing through completed exterior repair progress.

Historic farmhouse wall framing restoration with exterior sheathing removed for structural repair in New Jersey

Wall framing and exterior restoration work on a historic farmhouse.

Historic farmhouse exterior restoration after new siding, trim, windows, and structural repair work

Historic farmhouse exterior after major restoration progress.

Foundation Restoration After Vehicle Impact

When a foundation or exterior wall is damaged suddenly, the repair may involve rebuilding the damaged wall, reinforcing the affected area, matching the surrounding structure, and restoring support to the home.

Foundation damage after vehicle impact showing broken wall and exposed foundation before structural repair

Foundation damage after a vehicle impact before structural wall repair.

Foundation repair after vehicle impact with reinforced block wall and restored exterior foundation area

Foundation repaired and reinforced after vehicle impact damage.

Basement Underpinning & Structural Support

Some restoration projects require underpinning, basement excavation, temporary support, structural reinforcement, and a new slab. These projects must be planned carefully so the home remains supported while work is completed.

Basement underpinning and structural restoration with temporary support posts and reinforced foundation walls

Basement underpinning and structural support work during restoration.

Finished basement restoration after underpinning with new concrete slab and structural support work completed

Finished basement restoration after underpinning and concrete slab work.

View our Basement Underpinning NJ & Foundation Stabilization service →

Philadelphia Star Bolts & Masonry Stabilization

For older masonry buildings, restoration may also involve structural stabilization. Our Philadelphia star bolts project shows how bowing brick wall movement, masonry deterioration, and structural reinforcement can be part of a larger restoration plan.

Star bolts installed for bowing brick wall stabilization and historic structural restoration in Philadelphia

Star bolts used to stabilize a bowing brick wall during a structural restoration project.

View the Philadelphia star bolts project →

Related Project: Crosswicks Foundation & Concrete Slab

The Crosswicks project is best used as a related proof point because it shows excavation, foundation construction, waterproofing, and concrete slab work. It supports the restoration page without replacing the more direct restoration examples above.

View the Crosswicks project →

Signs Your Home May Need Construction Restoration

Soft, Rotted or Damaged Wood

Rotted sill plates, joists, beams, rim boards, subflooring, or framing can indicate long-term moisture damage or hidden structural problems.

Sagging Floors or Weak Supports

Floors that slope, bounce, sag, or feel unstable may point to damaged joists, failing beams, weak columns, settlement, or moisture-related deterioration.

Cracked or Damaged Masonry

Cracked block, deteriorating mortar, fieldstone damage, bowing brick, or broken foundation sections may require structural restoration, not just patching.

Water Damage That Keeps Returning

If stains, dampness, peeling paint, odors, or soft materials return after repairs, the source of the water may still be active.

Foundation or Wall Impact Damage

Vehicle impact, failed retaining walls, collapsed sections, or sudden structural damage should be evaluated carefully before rebuilding.

Older Home Structural Deterioration

Historic and older homes may have hidden damage behind siding, sheathing, masonry, plaster, basement walls, or crawl space framing.

Our Construction Restoration & Structural Repair Process

Down Under Waterproofing approaches restoration projects by identifying the cause, stabilizing the structure when needed, and repairing the damaged area in the correct sequence.

  • Inspection: We evaluate the visible damage and surrounding moisture, drainage, masonry, foundation, or framing conditions.
  • Cause diagnosis: We determine whether the damage is related to water, structural movement, rot, impact, poor drainage, termites, or material failure.
  • Stabilization: When needed, we use temporary support, shoring, or staged repair methods to protect the structure during work.
  • Restoration: We repair or replace damaged wood, masonry, foundation areas, supports, framing, waterproofing, or exterior materials.
  • Prevention: We recommend drainage, waterproofing, crawl space, above-grade, or foundation solutions when needed to help reduce repeat damage.

Important: Construction restoration should not only make the area look better. It should address the reason the damage happened so the repair has a stronger chance of lasting.

Related Services

Many restoration projects connect to waterproofing, foundation repair, masonry repair, crawl space moisture control, or above-grade exterior water management.

Foundation Repair

Structural repairs for cracks, movement, bowing walls, settlement, reinforcement, and foundation-related damage.

Basement Waterproofing

Interior and exterior waterproofing, drainage, sump pumps, French drains, and water intrusion correction.

Crawl Space Encapsulation

Moisture control, vapor barriers, drainage, dehumidification, and crawl space protection.

Above-Grade Waterproofing

Exterior wall leaks, flashing, caulking, stucco, masonry, windows, doors, and above-grade water entry.

Masonry Repair

Brick, block, stone, mortar, steps, retaining walls, and masonry deterioration repair.

Retaining Walls

Retaining wall repair, drainage support, soil pressure correction, grading, and exterior water management.

Construction Restoration in NJ & Eastern PA

Down Under Waterproofing provides construction restoration and structural repair throughout our core New Jersey and Eastern PA service area.

Primary New Jersey Service Area

Mercer, Monmouth, Middlesex, Somerset, Hunterdon, Morris, and Ocean counties.

Select North Jersey Projects

Qualifying projects may also be considered in Bergen, Essex, Hudson, and Union counties depending on project location, scope, and scheduling. We are not currently scheduling projects in Newark or Elizabeth.

Eastern PA

Regular service includes Bucks County, Montgomery County, and Philadelphia, PA.

View the full Down Under Waterproofing service area →

Financing Options for Qualifying Restoration Projects

Structural restoration, underpinning, sill plate, joist, beam, masonry, and water-damage repairs can involve substantial work. Financing options are available through Hearth for qualifying home improvement projects.

Explore Construction Restoration Financing Options →

Request a Free Construction Restoration Estimate

Tell us about the structural damage, water-related deterioration, rotted wood, sill plate or joist concerns, masonry damage, or older-home restoration issue you are seeing.

Financing: Financing options are available through Hearth for qualifying home improvement projects. Review construction restoration financing options →

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Construction Restoration FAQ

What is construction restoration?

Construction restoration is the repair or rebuilding of damaged structural, exterior, foundation, masonry, framing, or moisture-damaged areas of a home. It may include rotted wood repair, sill plate replacement, joist repair, masonry repair, foundation repair, waterproofing, drainage correction, and structural support.

When is restoration more than a cosmetic repair?

Restoration is more than cosmetic when the damage affects the structure, framing, foundation, masonry, support beams, joists, sill plates, exterior walls, or long-term water control. Covering the damage without fixing the cause can allow the problem to return.

Do you repair rotted sill plates and joists?

Yes. Down Under Waterproofing repairs and replaces rotted sill plates, rim joists, floor joists, support beams, columns, and related structural wood when moisture, rot, or deterioration has damaged the home.

Can restoration involve waterproofing?

Yes. Many restoration projects involve waterproofing because water intrusion is often the cause of the damage. Basement waterproofing, crawl space moisture control, exterior waterproofing, drainage correction, or above-grade waterproofing may be needed before rebuilding damaged materials.

Do you offer financing for construction restoration projects?

Financing options are available through Hearth for qualifying home improvement projects. Available terms, approval, and product options depend on the applicant and lender.

Where do you provide construction restoration services?

Down Under Waterproofing serves its primary New Jersey counties of Mercer, Monmouth, Middlesex, Somerset, Hunterdon, Morris, and Ocean; qualifying projects in Bergen, Essex, Hudson, and Union; and Bucks County, Montgomery County, and Philadelphia, PA.

Do you handle older or historic home restoration?

Yes. Older homes often require careful restoration because the framing, masonry, siding, sheathing, foundation, and moisture conditions are connected. Down Under Waterproofing evaluates the structure and recommends a repair plan based on the actual damage and cause.

Technical content reviewed by Walter Gural Jr., owner of Down Under Waterproofing, a licensed New Jersey and Pennsylvania home improvement contractor experienced in structural restoration, foundation repair, waterproofing, masonry, underpinning, sill plates, joists, beams, and moisture-related repairs.

Last updated: August 2026.

Need Construction Restoration in NJ or Eastern PA?

Down Under Waterproofing evaluates the cause of structural and moisture damage first so the repair addresses both the visible problem and the condition behind it.

Call: 908-812-5040   |   Text Us

Serving New Jersey & Eastern PA | NJ HIC #13VH03267600 | PA HIC #PA175894 | Monday-Saturday, 7:00 AM-7:00 PM