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Midwest Building Exteriors
Commercial · Decks

Balconies & walkways, code-built.

Multifamily balconies, walkways, and commercial decks — engineered, permitted, and built for inspection.

  • 01
    Multifamily balconies
  • 02
    Walkways & stairs
  • 03
    Structural engineering
  • 04
    Code & permit management
Free · No Obligation

Start Your Project

Free site walk-through · code and permit handling included.

Or call (612) 750-6051 — we typically answer within 3 rings.

How long do commercial decks & balconies last?

Commercial decks, balconies, and walkways are life-safety structures. We build to current MN code with engineered hardware, properly flashed ledgers, and waterproof membrane systems — the difference between a 15-year wood balcony and a 40-year composite one is correct detailing.

Which commercial decking system holds up best?

Pressure-Treated Wood Balconies
Lifespan
10–20 years
Starting Investment
from $20,000+

Lowest upfront, highest long-term maintenance.

Composite Multifamily Balconies
Lifespan
25–35 years
Starting Investment
from $35,000+

Low maintenance, ideal for HOAs & apartments.

Pedestal Paver / Membrane Roof Decks
Lifespan
30–50+ years
Starting Investment
from $60,000+

Rooftop amenity decks, restaurants, condos.

Starting investments are general guidance for typical Minnesota homes and vary by size, complexity, accessibility, and material selection. Every project receives a free, no-obligation written quote.

What makes multifamily balcony and walkway construction different from a residential deck?

Multifamily balconies, exterior walkways, and stairs are life-safety structures reviewed under stricter code requirements than a single-family deck, because a structural failure affects residents who didn't choose the contractor or the maintenance schedule. That means engineered ledger and guardrail connections, documented load calculations, and inspections coordinated with your city — not just a permit pulled after the fact.

We work directly with property managers and HOA boards to phase balcony work building-by-building or tower-by-tower so residents aren't displaced, and we document each structure's condition before and after for the association's records.

How do you know if aging balconies need repair or full replacement?

Balconies need replacement, not repair, when the ledger connection has rot or corrosion, when waterproofing membrane under a rooftop or elevated deck has failed and is letting water into the structure below, or when a structural inspection finds undersized or corroded hardware relative to current code. Surface-level issues — worn decking boards, loose railing caps, faded finish — can often be addressed without touching the structure.

We inspect the ledger connection, joists, and any waterproofing membrane first, because that's where failures actually start, and give you an honest repair-versus-replace recommendation with cost for both paths.

Which decking material is best for multifamily and commercial use?

Composite decking is the best fit for most multifamily balconies and common-area decks because it doesn't splinter, resists moisture absorption through repeated freeze-thaw cycles, and requires no staining — a meaningful savings across dozens of units. Pedestal paver systems over waterproof membrane are the standard for rooftop amenity decks and restaurant patios because they allow drainage and membrane access without disturbing the finished surface.

Pressure-treated wood remains the lowest up-front cost option but requires the most ongoing maintenance across a large property, which usually makes it a poor long-term value for an HOA or ownership group managing multiple structures.

How does the project run?

  1. 01

    Structural inspection

    We inspect ledger connections, joists, hardware, and any waterproofing membrane on every balcony, walkway, or deck in scope.

  2. 02

    Engineering & permit

    Structural plans are drawn where required, submitted to your city, and inspections scheduled — coordinated with your property manager or board.

  3. 03

    Phased scheduling

    Work is sequenced building-by-building or unit-by-unit so residents and tenants have advance notice and minimal displacement.

  4. 04

    Construction

    Engineered ledger attachment, correct joist spacing, and waterproofing membrane detailing matched to the decking or paver system chosen.

  5. 05

    Inspection & closeout

    City inspection, documentation for HOA or ownership records, and the MBE Lifetime Workmanship Warranty on our construction.

Frequently asked questions

Do multifamily balconies require an engineer's stamp?

Most Twin Cities cities require engineered plans for balcony and elevated walkway replacement given the life-safety classification. We coordinate the structural engineering and permit submittal as part of the project.

How do you phase balcony work across an occupied apartment building?

We schedule building-by-building or stack-by-stack with advance written notice to residents, temporary access alternatives where needed, and daily cleanup so occupied units aren't affected by adjacent construction.

Can you repair a rooftop restaurant patio without closing it during business hours?

Often, yes — membrane and paver work can frequently be scheduled overnight or during off-hours, with the patio restored to service before the next business day where the scope allows.

How long does multifamily balcony replacement take per building?

A single stack of balconies is typically replaced in one to two weeks once permits are issued; a full building or complex is sequenced across several weeks to limit resident disruption.

What warranty applies to commercial deck and balcony construction?

You receive the manufacturer's material warranty on decking or paver products plus the MBE Lifetime Workmanship Warranty covering our structural and finish work.

Financing · 0% & Low-APR Options

Flexible financing options available.

We make protecting and upgrading your home or commercial property more affordable with flexible financing programs through trusted lending partners. Get started with comfortable monthly payments — ask us about financing options during your free inspection.

  • Quick pre-qualification — no impact on your credit score
  • 0% intro APR & low-rate plans through vetted partners
  • Residential & commercial projects of every size
Ask About Financing →
Financing · 0% & Low-APR Options

Flexible financing options available.

We make protecting and upgrading your home or commercial property more affordable with flexible financing programs through trusted lending partners. Get started with comfortable monthly payments — ask us about financing options during your free inspection.

  • Quick pre-qualification — no impact on your credit score
  • 0% intro APR & low-rate plans through vetted partners
  • Residential & commercial projects of every size
Ask About Financing →
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Questions? Call (612) 750-6051 — most calls answered within 15 minutes.