The Larossa System: 6 Phases, Blocks, and the Art of the Audible

TLDR: The Larossa System is a dummy-proof project management framework built to stop one thing: going upstream. Six phases, interior and exterior blocks, jobs that live inside those blocks. You complete one phase before starting the next. That’s it. Everything else is an audible.

Table of Contents

Why the System Exists

When I was running 40 to 50 guys on my construction crew, before the solo house flipping days, somebody put drywall up before the electrical was done.

I’ll say that again. They hung drywall. Then somebody said we need to do electrical. We had to tear the drywall off.

That is a painful and expensive way to learn that project order matters. Contractors know how to do things. They often can’t see the big picture of when to do those things in relation to everything else.

I built the Larossa System because I needed something foolproof enough that someone who had never managed a construction project could follow it and not make catastrophic mistakes. And I know it works because I see other contractors in Chattanooga using it now.

The whole point: you cannot go upstream. If you’re downstream in the process and realize you have to go back to something that should have happened earlier, you’ve already lost time and probably money. The phase system makes upstream avoidance structural, not just advisable.

The Hierarchy

There are four levels. Remember them.

Project > Phases > Blocks > Jobs

A project is an address. 123 Main Street. One project.

Inside that project are six phases. Think of phases like a Gantt chart. Phase one completes, then phase two begins. No overlap. You do not start phase two until phase one is done.

Inside each phase are blocks. These are groupings of work. Generally, each phase has an interior block and an exterior block. (Phase four is the exception.)

Inside each block are jobs. LVP flooring, interior paint, drywall, electrical rough-in, mechanical. Jobs never change phases. Phase one always has the same blocks. Phase two always has the same blocks. That’s what makes it a system and not just a plan.

Key Concept
The phase system makes it impossible to go upstream by accident. You cannot put drywall up before you finish the gauntlet (mechanical, electrical, plumbing) because the gauntlet is phase two and drywall is phase three. Finish two, then start three.

The Six Phases

Phase 1: Tabula Rasa

Two blocks: Tabula Rasa (interior) and Grounds (exterior).

Tabula Rasa is Latin for blank slate. That’s the whole idea. Before anything else, you get the house to a condition where you can treat it like a new build.

Interior block (Tabula Rasa): Demo, cleanout, structural repairs, roofing (either repair or replace, but the roof has to be addressed). You’re stopping all bleeding. You’re getting the structure right.

Exterior block (Grounds): Grading, drainage, making sure water slopes away from the house. You’re securing the site so none of the work you’re about to do inside gets damaged by water coming in from outside.

When phase one is done, you have a blank slate. You’re ready to proceed as if this were a new build.

Phase 2: The Gauntlet

Two blocks: Gauntlet (interior) and Utilities (exterior).

Interior block (Gauntlet): Mechanical, electrical, plumbing, and insulation if required. It’s called the gauntlet because on a full gut flip you’re going through rough building inspections, MEP inspections, sometimes weeks or months of code inspections. It’s the gauntlet. You have to get through it.

Exterior block (Utilities): Underground plumbing in the yard, water and sewer lines, underground electrical, anything on the land outside the house that needs to be addressed.

When phase two is done, all inspections are behind you. Blue skies ahead.

Phase 3: Pregame

Two blocks: Pregame (interior) and Replacements (exterior).

Interior block (Pregame): Drywall, paint, floors. After this, you have a canvas. Everything left is install and cosmetics.

Note: some municipalities require a drywall inspection (they check screw placement as part of the structure). Know your city.

Exterior block (Replacements): Full replacement windows, full replacement siding, brand new gutters. These are replacements, not repairs. If I’m doing full exterior replacements, I have different contractors for this than for repairs. So they go here in phase three, where they can run in parallel with the interior pregame work.

Phase 4: Kitchen and Bath

Four blocks: Kitchen, Bathroom, Interior Carpentry, Exterior Carpentry.

This is where the good stuff happens. Cabinets, tile, countertops, fixtures. Whether you’re repairing or replacing, it all lives here.

Most of the time I’ll have one all-arounder contractor handle all four blocks. Fewer moves. One relationship. One payment schedule. I call it lazy project management, which is the whole point.

If I’m not doing full exterior replacements (which is rare), the exterior repairs also happen here in the exterior carpentry block.

Phase 5: Trim Out and Landscaping

Two blocks: Trim Out (interior) and Landscaping (exterior).

Interior block: All the hardware and fixtures go in. Door knobs, cabinet pulls, light fixtures, plumbing fixtures, appliances. Electrical final, mechanical final, plumbing final if you’ve pulled permits. Also: blown-in ceiling insulation happens here. That’s the method where drywall goes up first and you blow loose insulation in through the ceiling afterward. It’s cheaper than batting and it’s the standard way to do it.

Exterior block: Landscaping general, pressure washing, roof cleaning (if the roof is functional but dirty, clean it, don’t replace it), concrete, fencing, tree removal. And exterior paint goes here too. I want that paint as close to the end as possible so it’s as fresh as it can be when the house lists.

Phase 6: Finale

One block: Finale.

Construction cleanout, general cleanup, and the handyman punch list. Every project has that last 5% that didn’t get captured. This phase exists specifically for that.

Audibles and Sub-Chunking

The phase system is foolproof. It’s not always the most efficient.

An audible is when you move a job from its default phase to a different phase because the specific circumstances of that project make it smarter.

Example: I bought a house where the back deck was in terrible shape, but it was also the best way to get materials in. The terrain made the front door a pain. So I called an audible: build the deck in phase one. Get it done first so workers can use it to bring materials in throughout the whole project. Normally, a deck replacement is phase three. This situation required phase one.

Example: If I have an all-arounder contractor doing the kitchen, bathroom, and all the carpentry in phase four, and they’re also going to do the drywall, paint, and floors from phase three, then I merge those phases. I either move phase three jobs into phase four or move phase four jobs into phase three. Doesn’t matter. The point is one contractor, one continuous work period, one less handoff for me to manage.

On a cosmetic flip, I might run the whole project in two phases. Get through mechanical, electrical, plumbing and any bleeding items. Then one contractor handles everything else. That’s how I run 20 projects at a time: fewer checkpoints, bigger job groupings, less of my bandwidth spent on coordination.

Pro Tip
Sub-chunking is the discipline of grouping jobs for a single contractor. More jobs for one contractor means bulk pricing, a better relationship, and way fewer phone calls. I’m always trying to minimize the number of moves.

The rules for audibles:

  • The phase system is the default. Start there.
  • Audibles require a reason: efficiency, site logistics, contractor grouping.
  • Nobody’s checking your work. Do what makes sense.
  • Moving jobs around doesn’t mean skipping phases. It means collapsing or reordering them with intention.

Change Orders as Audibles

A change order is the project management version of an audible.

You thought drywall was going to be $3,000. But you ended up demoing another room, so you add more drywall. That’s a change order. You’re adding a job to the structure. Or you’re modifying the scope of an existing job. Or you’re adding a job you didn’t know you’d need.

We start with a blurry vision and hone in as the project progresses.

That’s not a failure of planning. That’s what construction looks like. The phase system helps contain it because at the end of each phase, you stop, you review, you pay the contractors for that phase, you check the pre/post phase checklist, and you decide you’re ready to move forward. Each phase transition is a natural checkpoint.

You’re not trying to see the whole project perfectly from day one. You’re trying to see one phase clearly.

Common Mistake
Trying to over-plan before you’ve walked the property thoroughly. You start with a blurry vision. The job of the Larossa System is to give you a structure that sharpens that vision one phase at a time, not a system that requires perfect information upfront.

The Lazy Project Manager

I call my project management style lazy on purpose.

It’s 80/20. I want the maximum output for the minimum time I spend on any project. That’s how you run multiple projects simultaneously without going insane.

The phase system enables lazy project management because:

You only think about one phase at a time. When I’m in phase two, I’m not worried about phase four. I’m focused on getting the gauntlet done, passing inspections, and getting to the end of phase two.

End-of-phase checklists do the heavy lifting. There’s a pre and post checklist for each phase. Before I move to the next phase, I run through it. That’s the checkpoint. Then I pay for what’s done and move forward.

Sub-chunking reduces moves. One contractor, one price negotiation, one relationship to manage. Multiply that across 20 projects and the math becomes obvious.

The hierarchy is always visible. At any point I can see: what project, what phase, what block, what job. I don’t need to be on site to know where things are. The system tells me.

The blocks with most of your work are going to be your critical path. The interior path almost always takes longer than the exterior. So I can run exterior work in parallel, as catch-up, in between the longer interior milestones. That’s where you find efficiency without adding complexity.

FAQ

Do I actually need all six phases on every project?

No. The six phases are the complete framework. On a cosmetic flip, you might effectively run two phases. On a gut, you’ll probably use all six. The structure is there so you don’t skip something important. Audibles collapse it where it makes sense.

What if two contractors want to work on the same block at the same time?

That’s fine inside a block. The rules are about phases: don’t start phase three until phase two is done. Inside a phase, you can run interior and exterior blocks in parallel. That’s the design.

How do I handle the situation where a contractor wants to do something out of order?

Stop them. This is why you built the system. “That job lives in phase three. We’re in phase two. Let’s finish phase two first.” You’re the leader. The system backs you up.

Where do change orders go in the system?

They get added to the appropriate job, block, and phase. If it’s a new job you didn’t have, add it to the right phase. If it’s expanding an existing job, update that job’s scope and budget. The hierarchy absorbs change orders.

Watch the full breakdown on YouTube: @rosspaller

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