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A commercial building might have 15-20 different wall types — each with different stud gauges, board layers, fire ratings, and sound ratings. A single-layer standard wall costs completely differently from a 2-hour fire-rated shaft wall with double-layer Type X board on 20-gauge studs at 16" o.c. Generic estimators who treat all walls the same will either underbid (losing money on the job) or overbid (losing the bid entirely). Our drywall estimators read your wall type legend, identify every unique assembly in the plans, and create separate line items for each. A typical commercial drywall takeoff from Phoenix Estimations has 30-50 distinct line items — not a single "drywall" line. This level of detail is what separates contractors who win profitable work from those who guess and hope. Related reading: How to Estimate Metal Stud Framing Costs and Interior Finishes Cost Estimation Guide.
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Drywall work has three distinct cost phases, and we estimate each separately because they often have different labor rates, different crews, and sometimes different subcontractors.
Studs counted by gauge (25ga, 20ga, 18ga, 16ga), height, and spacing (16" or 24" o.c.). Top and bottom track, deflection track at deck, bracing and bridging, blocking for wall-mounted items, header track and jamb studs at openings. We calculate lineal feet of each component and convert to piece counts for ordering.
Typically 35-45% of total drywall cost on commercial projects.
Gypsum board counted by sheet (4x8, 4x10, 4x12) per wall type — regular, Type X (fire-rated), Type C, moisture-resistant (green board), mold-resistant (purple board), abuse-resistant, and shaftliner. We calculate each board layer separately for multi-layer assemblies and apply material-specific waste factors (typically 8-12%).
Typically 30-40% of total drywall cost on commercial projects.
Joint compound calculated by weight based on total joint length and finish level (Level 1 through Level 5). Tape by rolls, corner bead by type and length, skim coat area for Level 5 finish, sanding, and touch-up. Finish level dramatically affects labor hours — Level 5 takes 3-4x longer than Level 3 and uses 2x the compound.
Typically 20-30% of total drywall cost on commercial projects.
Metal Studs (by gauge)
Track & Runners
Deflection Track
Bracing & Blocking
Regular Gypsum Board
Type X Fire-Rated
Moisture-Resistant
Abuse-Resistant Board
Joint Compound
Tape (Paper/Mesh)
Corner Bead
Drywall Screws
Sound Insulation Batts
Acoustic Sealant
Ceiling Tiles & Grid
Shaftliner Board
Drywall estimating requires reading wall type schedules, partition details, and ceiling plans together. Here's how our drywall estimators approach every project:
Wall Type Schedule Review
Read the partition schedule to identify every unique wall type — stud gauge, spacing, board layers, fire rating, STC rating, and board type per side.
Linear Wall Measurement
Measure every wall by type on floor plans using Planswift. Tag each wall segment with its wall type designation for organized takeoff.
Height & Opening Deductions
Apply wall heights from sections. Deduct door and window openings from board area. Add framing for headers, jamb studs, and cripples at each opening.
Board & Framing Calculation
Calculate stud counts per wall, board sheets per side (with waste), and finishing materials. Multi-layer walls get separate board counts per layer.
Ceiling Takeoff
Measure ceiling areas by type — acoustic tile with grid, GWB on furring, exposed structure. Calculate tile counts, grid lengths, hanger wire, and wall angle.
Pricing & Review
Apply RSMeans zip-code pricing. Senior estimator review for accuracy. Deliver Excel with wall-type-coded markups showing every measured wall.
Commercial projects have 10-20+ wall types with varying fire ratings, STC ratings, stud gauges, and board specifications. We break down every assembly separately: standard interior partitions, fire-rated corridor walls, STC-rated demising walls, shaft walls, area separation walls, moisture-resistant bathroom assemblies, and abuse-resistant hallway walls. Commercial drywall estimating also includes suspended acoustic ceiling systems, which can represent 15-25% of a drywall sub's bid.
Typical delivery: 2-4 business days | 30-80 unique line items
Residential drywall is simpler in wall types but precision still matters for material ordering. We count board sheets by room and floor, calculate stud quantities including corners and intersections, account for ceiling heights that vary by room (8', 9', 10', vaulted), and include garage fire-separation assemblies where required by code. Our residential drywall estimates help contractors order the right quantity of 4x8, 4x10, and 4x12 sheets to minimize cuts and waste.
Typical delivery: 24-48 hours | 10-20 unique line items
Trade-specific drywall and ceiling contractors who bid on framing, boarding, taping, and ceiling scope. We format estimates to match how you break down your bids — by phase, by floor, or by wall type.
GCs who need Division 9 drywall and ceiling scope estimated for budget verification or when self-performing drywall work. We help you verify sub bids and catch scope gaps.
Interior buildout contractors and developers managing tenant improvements, office renovations, and retail fit-outs where drywall represents a significant portion of the budget.
Assembly-Level Detail
We don't lump all drywall into one line. Every wall type gets its own line items for framing, board, and finishing — so your bid reflects actual costs per assembly.
8-12% Board Waste Accuracy
We apply correct waste factors by board size and room geometry — not a flat 10%. Complex layouts get higher waste; open plans get lower. Your material order matches the job.
24-48 Hour Residential
Residential drywall estimates delivered within 24-48 hours. Commercial projects with rated assemblies typically 2-4 business days.
Ceiling Systems Included
Every drywall takeoff includes acoustic ceiling tile and grid systems — not just walls. Ceiling scope is often 15-25% of a drywall sub's bid and should never be a separate add-on.
55-65% Cost Savings
An in-house drywall estimator costs $55K-$75K/year. Our monthly package covers 10-15 projects for $2,000 — saving you 55-65% on estimating expenses.
Wall Type Coded Markups
Every estimate includes color-coded floor plan markups showing each wall type visually — making it easy to verify and share with your field team.
Drywall contractors face a constant tension: you need accurate estimates to win work profitably, but the time spent estimating is time not spent managing jobs in the field. A typical commercial drywall takeoff takes an experienced estimator 6-10 hours. If you're bidding 8-10 projects per month, that's a full-time estimator just for takeoffs — before they handle change orders, value engineering, or buyout support.
Phoenix Estimations handles the measurement and pricing work so you can focus on selling and building. Our drywall estimators produce the same assembly-level detail your in-house team would, at a fraction of the cost. For more on estimating efficiency, read our guide to preparing bid packages.
"We bid on 12 commercial TI projects a month. Phoenix breaks down every wall type separately — fire-rated, STC, shaft, standard — so we know exactly what each assembly costs. Our board waste went from 15% to under 5%."
"Most estimating services treat drywall as a single line item. Phoenix gave us 47 line items on our last hospital project — framing, board, finishing, ceilings, all by wall type. That's the kind of detail that wins profitable work."
"We're a 6-crew residential drywall company. Phoenix handles all our takeoffs now — board counts, stud quantities, mud calculations. We went from bidding 5 homes a month to 15 without adding office staff."
The Problem
A commercial drywall subcontractor in Atlanta was consistently over-ordering gypsum board by 12-18% because their estimator treated all wall types as the same assembly. On a 50,000 SF office buildout with 16 different wall types, they ordered 2,400 sheets of Type X board when only 1,800 were needed — $14,000 in wasted material on a single project. Their bids were also 8-12% higher than competitors because they used flat-rate pricing instead of assembly-specific costs.
The Solution
Phoenix Estimations provided assembly-level drywall takeoffs that separated every wall type with its specific stud gauge, board layers, and finish level. Fire-rated walls got fire-rated pricing. Standard partitions got standard pricing. Shaft walls got shaft wall pricing. Each assembly had its own line items for framing, board, finishing, and accessories. The contractor could see exactly where their costs were and price each assembly competitively.
The Outcomes
Board waste dropped from 12-18% to under 4%, saving over $85,000 annually across their project portfolio. Their bids became 6-8% more competitive because assembly-specific pricing eliminated the padding they used to add for "unknown" wall types. Bid win rate increased from 24% to 46%. They went from bidding 6 projects per month to 14, and annual revenue grew by 55% in the first year using Phoenix Estimations.
Ready to achieve similar results?
Get Your Drywall EstimateHow to Estimate Metal Stud Framing Costs
Blog guide covering stud gauge selection, spacing calculations, and framing cost factors.
Interior Finishes Cost Estimation Guide
Complete guide to estimating Division 9 finishes including drywall, paint, flooring, and ceilings.
Interior & Exterior Finishes Estimating
Full Division 9 scope including drywall, painting, flooring, tile, and ceiling systems.
