Commercial Siding Installation Process — Phased Work on Occupied Buildings
Installing siding on an occupied commercial property requires scheduling discipline, tenant communication, and quality hold-points that single-family work does not. Here is how we manage a commercial envelope project from contract to closeout.
Step 1 — Property Walk and Pre-Job Documentation
Before any material is ordered, we walk the full exterior with the property manager or facilities director and document existing conditions: photograph every elevation, note any existing damage, identify penetration locations (gas meters, electrical panels, HVAC units, hose bibs, dryer vents), and confirm window and door head/sill flashing conditions. This documentation protects both parties — it creates a baseline that defines what was pre-existing versus what our crew created. On multi-unit buildings we note which units have any current window or door functionality issues so we can flag those before our crews touch anything adjacent.
Step 2 — Tenant Notification Protocol
Utah law does not specify a mandatory advance notice period for exterior construction, but most lease agreements and HOA CC&Rs require 48 to 72 hours of advance notice before work affecting a unit's exterior begins. Our standard protocol: door hanger notices distributed 72 hours before scaffold erection; signage at building entrances noting the project, contractor name, and contact number; and a direct call or email to the property manager the morning of each start day confirming the day's scope. For medical offices and other noise-sensitive tenants we schedule any saw or compressor work outside their business hours by agreement.
Step 3 — Scaffold and Lift Logistics
Commercial siding work above the first floor requires either tube-and-coupler scaffold, system scaffold (e.g., Layher or Cuplock), or a manlift. Scaffold erection on occupied parking lots requires traffic control planning — cone and barricade placement, temporary relocation of ADA parking spaces as close as possible to the original location and signed per MUTCD standards, and coordination with local fire access requirements (scaffold cannot block fire department access without their prior approval). For projects over 20 feet in height, our scaffold is engineered per OSHA 29 CFR 1926 Subpart Q and the Utah Labor Commission scaffold rules.
Step 4 — Substrate and Drainage-Plane Confirmation
Before any cladding goes on, we confirm the existing substrate condition and the weather-resistive barrier integrity. On re-cladding jobs we often discover failed or missing WRB sections, rotted sheathing behind failed sealant joints, and missing kick-out flashings at roof-to-wall intersections. These are not surprises we deliver after the fact — they are documented in an on-site change-order form, priced per our pre-established unit pricing, and require property manager sign-off before we proceed. This step is especially critical for EIFS re-cladding, where the drainage-plane condition behind the existing foam system determines whether the substrate can be reused or must be stripped to framing.
Step 5 — Installation, Phasing, and Overnight Prep
We phase the installation in sections rather than stripping the entire building at once to limit weather exposure. A typical 24-unit three-story building runs four phases of two elevations each. Each phase is demo'd, WRB-installed, and new siding-installed before we move scaffold to the next section. Exposed substrate is never left overnight without a temporary weather wrap; our quality standard requires the WRB to be fully lapped and taped before the crew leaves each day. Window return flashings and penetration sealants are inspected on each phase before scaffold is struck.
Step 6 — HOA and Property Manager Punch List
Closeout on a commercial siding job is a formal process. We walk the completed work with the property manager or HOA facilities committee, photo-document the final condition, and provide a written punch list with completion dates for any identified items. For HOA projects that required a board approval of materials, we provide the final-installed color swatch and material spec sheet for the HOA records. Our warranty documentation — both the manufacturer's product warranty and our workmanship warranty — is delivered in writing at closeout.
Common Questions
- How long does a typical multi-family siding project take?
- A 12-unit two-story building with about 6,000 square feet of siding typically takes 3 to 4 weeks from scaffold erection to final punch list. A 40-unit three-story building with 20,000 square feet runs 8 to 12 weeks depending on the complexity of the existing substrate and the number of penetrations. We provide a phased schedule with milestone dates before project start.
- Do tenants need to vacate their units during siding work?
- No. Interior occupancy is maintained throughout. Tenants may experience brief interruptions when we work directly adjacent to their windows or doors — typically a 2 to 4 hour window per unit — but no vacate is required. We coordinate day-of timing with on-site management to minimize inconvenience.
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