Below-Grade Buildouts

Basement framing over floors that are never flat

Straight, plumb partition walls over slabs that are never level — pressure-treated bottom plates, furred foundation walls, soffits, and theater or bar buildouts.

Basement framing looks like the simplest work we do. It is not, and the reason is the slab.

A basement slab is poured to drain, not to be flat. Over a 30-foot run you will routinely find an inch or more of variation, plus high spots, low spots, and a slope toward the drain. Frame walls to a consistent stud length on that and your ceiling line wanders, your doors are out of plumb, and the finish carpenter spends the whole job scribing.

We shoot the whole slab first, establish a single level reference, and cut every wall to land the top plates dead flat. That is the entire difference between a basement that feels like part of the house and one that feels like a basement.

Moisture is the other half

Georgia basements are humid. Anything that traps moisture against wood becomes a problem you will not see until it is expensive.

That means pressure-treated bottom plates everywhere wood meets concrete, correct fasteners for treated lumber, and furring foundation walls with an air gap and the right insulation strategy rather than jamming batts against a cold masonry wall.

The failure we get called to fix

Untreated bottom plates on a basement slab. Invisible for years, then soft trim, a musty smell, and studs you can push a screwdriver into. Fixing it means opening finished walls.

Basement partition walls framed on a concrete slab with green pressure-treated bottom plates
Pressure-treated plates anchored to the slab, walls cut to a single level reference so the ceiling line stays flat.
What’s Included

Flat ceilings, dry walls, real backing.

Slab Survey

Level reference first

We shoot the entire slab before cutting anything, then frame to a single reference so the ceiling line is flat regardless of what the floor is doing.

PT Bottom Plates

Where wood meets concrete

Pressure-treated plates with correct galvanized or stainless fasteners, anchored per code. Non-negotiable in a Georgia basement.

Foundation Walls

Furred and detailed

Furring with an appropriate air gap and insulation strategy, so you are not trapping moisture against masonry.

Partitions

Plumb and square

Interior walls laid out to the plan, plumbed and lined. Door openings framed square so they actually operate.

Soffits & Chases

Around the mess

Ductwork, beams, plumbing and the main drain all boxed in cleanly and to consistent dimensions, not improvised around.

Buildouts

Theater, bar, gym

Stepped theater platforms, bar framing, equipment backing, and solid blocking wherever a mount, a screen or a fixture is going.

How It Runs

Slab to ready-for-drywall.

01

Walk & survey

We walk the space with you, shoot the slab, and identify what has to be boxed, furred or worked around. Egress and ceiling height get checked against the plan early.

02

Layout

Every wall snapped to the plan, with door and opening locations confirmed against real dimensions rather than drawn ones.

03

Frame

Walls cut to the level reference, PT plates anchored, furring installed, soffits and chases built to consistent lines.

04

Backing & punch

Blocking for everything going on the walls, then a walk-through with you before drywall so nothing gets closed in that should not.

Request an Estimate

Finishing the basement?

Send photos of the space and a rough layout. We will price the framing package line by line.

Bitwood Build ยท Parent Company

Need the whole project built — not just framed?

The Framing Crew is the structural division of Bitwood Build, a full-service Atlanta general contractor. If your project needs design, permitting, mechanicals, insulation, drywall, trim, and finishes on top of the frame, one call covers all of it — the same crew standard, one point of accountability, one schedule.

  • Whole-home remodels
  • Kitchen & bathroom remodels
  • Home additions, turn-key
  • Basement renovations
  • New residential construction
  • Home renovations & restorations