Drywall estimating is not a square-foot number. A wall with 5/8 in. Type X board on 20-gauge studs at 16 in. o.c. costs more than the same wall in 1/2 in. regular board on 25-gauge studs — and a Level 5 finish at a corridor costs more than Level 4 in a tenant space. You need a takeoff that separates board by type and thickness, studs by gauge and spacing, and finish level by room, so your bid reflects what the drawings actually show.
- Deliverable
- Excel estimate + marked-up PDF plans
- Organized by
- CSI MasterFormat section
- Turnaround
- 24–48 hours for most projects
- Pricing
- ZIP-code-adjusted material and labor pricing
- Software
- Bluebeam Revu, PlanSwift, RSMeans data
We take off the gypsum board assemblies, non-structural metal framing and related finishes from your plan set. The takeoff is organized by CSI MasterFormat division and section — drywall sits in Division 09, Section 09 29 00 — with board quantities in square feet by type, studs and track in linear feet by gauge and width, and finish levels noted by area. We work from the wall type schedule and the reflected ceiling plans, and we flag any drywall scope gap we find, such as missing deflection track at a structural slab or shaftwall at a stair core. If your project also includes flooring or painting, those scopes are taken off separately and can be combined into one bid package.
Every drywall sheet count, drywall screw count, drywall joint compound and drywall tape quantity is derived from the wall type schedule and the reflected ceiling plans. We also count drywall corner bead, drywall metal studs and track by gauge and width, and we note where a drywall UL fire-rated assembly or drywall STC acoustic assembly changes the board type or stud spacing. For a drywall BIM takeoff or a drywall PDF plan takeoff, we work from the model or the PDF set and mark up each wall on the plan. A drywall change order is priced from the same wall-by-wall backup, so you can see what moved.
Most projects are returned in 24–48 hours. We work in Bluebeam Revu and PlanSwift, price material and labor by ZIP code using RSMeans data, and deliver Excel and PDF files with marked-up plan sets so you can see exactly where each quantity came from. For projects in Texas or California, local labor and material pricing is applied. Send your plans through the estimate request page to get started.
What our commercial drywall estimating takeoff covers
We measure board, framing, finish and accessories from the architectural and structural drawings, then break quantities by assembly type and location. The takeoff follows CSI MasterFormat Division 09 and Division 05, with firestopping and insulation included where they are part of the wall assembly.
Gypsum Board Takeoff
Measure board by type, thickness and location: regular, Type X, moisture-resistant, abuse-resistant and impact-rated.
SFMetal Stud Framing
Take off studs and track by gauge, width and spacing, including deflection and slip track at structural conditions.
LFFinish Level Pricing
Identify and price finish levels 1 through 5 by area, since higher levels require more labor and materials.
SFAcoustical Insulation
Measure batt insulation in partition cavities where specified for acoustic or thermal performance.
SFFirestopping
Take off firestopping at head-of-wall and penetration joints in rated assemblies.
LFCorner Bead & Trim
Count and measure corner bead, J-trim, L-bead and expansion joints at edges and transitions.
LFCeiling Systems
Take off gypsum board ceilings, including soffits and bulkheads, with appropriate framing and finish.
SFBacking & Blocking
Measure and count backing and blocking for wall-mounted items, including 12-gauge studs where required.
LF · EAWhat every drywall estimating & takeoff takeoff includes
- 1/2 in. regular gypsum board at walls and ceilings
- 5/8 in. Type X board at rated assemblies
- 5/8 in. moisture-resistant board at wet walls and backer
- 1/2 in. or 5/8 in. abuse-resistant board at corridors and service areas
- 1/2 in. impact-rated board at gymnasiums and high-abuse walls
- 3-5/8 in., 4 in. and 6 in. 25-gauge studs at 16 in. o.c.
- 20-gauge and 16-gauge studs at 16 in. o.c. for tall partitions
- 12-gauge studs and backing at heavy wall-mounted items
- deflection or slip track at structural ceilings and head-of-wall
- corner bead, J-trim, L-bead and expansion joint
- acoustical batt insulation in partition cavities
- firestopping at head-of-wall and penetration joints
Drywall sheet calculator
Estimate board for a room or area. A full takeoff also separates board types, fire-rated assemblies, finish levels and framing.
Typical waste: 10–15%. Openings are usually not deducted when smaller than about 30 SF. Check the wall types and finish levels on the drawings.
Need the full takeoff with pricing? Upload your plans.
How we take off drywall quantity from your PDF plans
- Review wall types and schedulesWe start with the wall type schedule and partition legend. Each wall type is assigned a board build-up, stud gauge and spacing, and finish level. If the schedule is missing or incomplete, we note the assumption and flag it for your review before pricing. We also cross-check the fire rating and acoustic requirements noted on the schedule against the life safety and acoustic plans. Any conflict between sheets is logged as an RFI item.
- Measure board by assemblyUsing Bluebeam Revu, we measure each wall and ceiling area by type. Board is separated by thickness and product — 1/2 in. regular, 5/8 in. Type X, moisture-resistant, abuse-resistant, impact-rated, shaftliner. Both faces are counted where the assembly is double-sided. Ceiling board is measured from the reflected ceiling plan, with 5/8 in. thickness noted where required for fire or sag resistance. Openings over 10 SF are deducted from wall area.
- Count framing and trackStuds are counted by gauge, width and spacing. We measure linear feet of studs from wall length divided by spacing, then add track, corner bead, J-trim and backing. Deflection track and slip joints are noted at structural ceilings and head-of-wall conditions. For walls over 12 feet, we check the wall section for required stud gauge and note any change. Backing and blocking for grab bars, casework and wall-hung items are counted by location.
- Apply finish levels by roomFinish level is not a project-wide number. We read the drawings and specs to assign Level 4 or Level 5 to specific rooms — lobbies, corridors, boardrooms. Level 5 requires a skim coat, which changes material and labor. We note each area and its level in the takeoff. The finish schedule and general notes are checked for any room-specific requirements, such as Level 5 at wall-wash lighting conditions or in areas with critical lighting.
- Add firestopping and insulationHead-of-wall firestopping, penetration wraps and acoustical batt insulation are measured where the assembly requires them. These items are often shown on the life safety or acoustic plans rather than the architectural sheets, so we cross-check those drawings. Firestopping is measured in linear feet of joint, with the UL system number referenced where listed. Acoustical insulation is measured in square feet of cavity area, with the R-value and thickness noted from the specification.
- Price and packageMaterial and labor are priced using ZIP-code-adjusted RSMeans data. The final takeoff is delivered in Excel and PDF, organized by CSI MasterFormat division, with marked-up plan sets showing each measurement. Waste factors are listed as separate lines — typical range is 5 to 10 percent for board and 5 to 15 percent for studs. We also include a list of assumptions and clarifications for any condition not clearly shown on the drawings.
What we need from you
- Architectural plansFloor plans, reflected ceiling plans, elevations and wall sections. These show wall locations, heights and ceiling conditions.
- Wall type schedulePartition types with board build-up, stud gauge and spacing, and fire rating. Without it, we assume typical assemblies and flag them.
- Finish scheduleRoom-by-room finish levels and wall finishes. Level 5 areas must be identified for correct pricing.
- Structural plansFor head-of-wall conditions, deflection track and slip joints at structural ceilings.
- SpecificationsDivision 09 sections for board standards, finish levels, and firestopping requirements.
- Addenda and RFIsAny changes issued after the base bid date. We price to the latest documents.
Sample drywall material takeoff by assembly
This sample shows how line items are organized by CSI section and referenced to the drawing sheet. Quantities are illustrative for a mid-size commercial project.
| Section | Line item | Qty | Unit | Ref. |
|---|---|---|---|---|
| 09 21 16 | 1/2" regular gypsum board, walls, both faces | 18,400 | SF | A-201 |
| 09 21 16 | 5/8" Type X gypsum board, rated walls, both faces | 9,800 | SF | A-202 |
| 09 21 16 | 5/8" moisture-resistant board, wet walls | 2,150 | SF | A-203 |
| 09 22 16 | 3-5/8" 25-ga studs at 16" o.c. | 4,600 | LF | A-204 |
| 09 22 16 | 6" 20-ga studs at 16" o.c., tall walls | 1,200 | LF | A-205 |
| 09 22 16 | Deflection track at structural ceilings | 380 | LF | S-301 |
| 09 29 00 | Level 5 finish at lobby and corridors | 3,200 | SF | A-601 |
| 09 21 16 | Acoustical batt insulation in partitions | 6,200 | SF | A-701 |
| 07 84 00 | Head-of-wall firestopping | 1,450 | LF | A-801 |
| 10 21 13 | Backing at toilet compartments | 24 | EA | A-901 |
Drywall unit of measure and how we count them
Each line item is measured in the unit a drywall subcontractor orders and installs by. We do not convert board to square feet of wall area without accounting for both faces.
| Item | Unit | How it's measured |
|---|---|---|
| Gypsum board | SF | Surface area of each board face, by type and thickness |
| Metal studs | LF | Linear length of each stud, by gauge, width and spacing |
| Track | LF | Linear length of floor and ceiling track, by width and gauge |
| Corner bead | LF | Linear length of outside corners, plus 10% for cuts |
| J-trim and L-bead | LF | Linear length of exposed edges and shadow reveals |
| Acoustical insulation | SF | Net area of partition cavity, measured between studs |
| Firestopping | LF | Linear length of head-of-wall and penetration joints |
| Openings and backing | EA | Count of door/window openings and blocking locations |
Worked example: takeoff of one corridor wall
This example takes off a single corridor wall from a plan set. Dimensions are illustrative and used only to show the calculation sequence. We measure from the architectural plan, wall type schedule and reflected ceiling plan.
Given (illustrative): A corridor wall is 40 ft long and 10 ft high. The wall type schedule calls for 5/8 in. Type X gypsum board on both faces, 3-5/8 in. 25-gauge studs at 16 in. o.c., with R-11 acoustical batt insulation in the cavity and head-of-wall firestopping. There is one 3 ft x 7 ft door opening.
Step 1 — Gross wall area. 40 ft x 10 ft = 400 SF per face. Both faces = 800 SF.
Step 2 — Deduct openings. Door opening = 3 ft x 7 ft = 21 SF. Deduct 21 SF from each face: 400 – 21 = 379 SF per face. Net board = 758 SF.
Step 3 — Board by type. All board is 5/8 in. Type X. Net Type X board = 758 SF. If the wall had a moisture-resistant section, we would separate it here.
Step 4 — Studs. Studs at 16 in. o.c. Number of studs = (40 ft x 12 in./ft) / 16 in. = 30 spaces. Add one for the end stud = 31 studs. Each stud is 10 ft tall (full height; no deduction for door). Stud LF = 31 x 10 = 310 LF. Add 2 studs at the door jamb if not included in the 31: +20 LF. Total studs = 330 LF.
Step 5 — Track. Top and bottom track = 40 ft x 2 = 80 LF. Track is 3-5/8 in. wide, 25 gauge.
Step 6 — Insulation. Cavity area = net wall area (one face) = 379 SF. R-11 batt insulation = 379 SF.
Step 7 — Firestopping. Head-of-wall joint = 40 LF. Add 2 vertical joints at door = 14 LF. Total firestopping = 54 LF.
Step 8 — Waste. Apply waste as separate lines. Board: 758 SF x 10% = 75.8 SF, round to 76 SF. Studs: 330 LF x 10% = 33 LF. Track: 80 LF x 5% = 4 LF. Insulation: 379 SF x 5% = 19 SF.
Step 9 — Totals with waste. Board: 758 + 76 = 834 SF. Studs: 330 + 33 = 363 LF. Track: 80 + 4 = 84 LF. Insulation: 379 + 19 = 398 SF. Firestopping: 54 LF (no waste).
This sequence is repeated for every wall type and room. The final takeoff lists each line by CSI section, with board type, stud gauge and finish level noted. Waste is shown separately so you can adjust to your own installation practice. For a full project, we also measure ceilings, soffits, backing and accessories in the same way.
What moves the drywall cost estimating number
Relative impact on a typical estimate for this trade, based on estimator judgment. Select a bar for details.
Finish level
Level 5 requires a skim coat over the entire surface, adding material and labor. A corridor specified at Level 5 but priced as Level 4 is one of the most common and costly misses in drywall bids. Level 4 is typically the default for commercial work, but lobbies, boardrooms and areas with wall-wash lighting often require Level 5. We read the finish schedule and general notes to assign the correct level to each room.
Level 5 requires a skim coat over the entire surface, adding material and labor. A corridor specified at Level 5 but priced as Level 4 is one of the most common and costly misses in drywall bids. Level 4 is typically the default for commercial work, but lobbies, boardrooms and areas with wall-wash lighting often require Level 5. We read the finish schedule and general notes to assign the correct level to each room.
Type X, moisture-resistant, abuse-resistant and impact-rated boards carry different material costs and sometimes different installation requirements. Shaftliner and area separation wall assemblies are priced as systems, not as simple board. For example, 5/8 in. Type X is common in rated walls, while moisture-resistant board is used at wet walls and backer. Impact-rated board at gymnasiums may require special fastening. We separate each board type in the takeoff.
25-gauge studs at 16 in. o.c. are standard for interior partitions. Tall walls, load-bearing conditions or heavy finishes may require 20-gauge, 16-gauge or 12-gauge studs, which cost more per linear foot and may change spacing. For example, a 16-foot wall may require 20-gauge studs at 16 in. o.c. or 25-gauge at 12 in. o.c. We check the wall section and structural notes for each condition and adjust the takeoff accordingly.
Walls over 12 feet often require scaffolding, lifts or additional labor. Deflection track and slip joints at structural ceilings add both material and installation time. Height also affects stud gauge selection. For example, a 20-foot wall may require 16-gauge studs and a mid-height brace, which changes both material and labor. We note the height of each wall and apply the appropriate labor factor.
Rated assemblies require specific board types, firestopping at head-of-wall and penetrations, and sometimes acoustical insulation. These items are often shown on separate life safety or acoustic plans, not the architectural sheets. For example, a 1-hour rated corridor may require 5/8 in. Type X board on both sides, firestopping at the head-of-wall, and acoustical batt insulation in the cavity. We cross-reference all sheets to capture these requirements.
Ceiling board thickness, framing and finish level affect the takeoff. A 5/8 in. board on a framed ceiling is often specified for fire or sag resistance, while 1/2 in. is typical for non-rated ceilings. Soffits, bulkheads and multi-sided conditions add labor and waste. We measure ceiling areas from the reflected ceiling plan and note the board type, framing and finish level for each condition.
Waste factor is applied separately for board and studs. Typical range is 5 to 10 percent for board and 5 to 15 percent for studs, depending on the complexity of the layout and the number of cuts. For example, a project with many small rooms and openings will have higher waste than a large open area. We list waste as a separate line so you can see it and adjust based on your own experience.
Common drywall scope gaps we catch
These are the items most often left out of a drywall bid because they are buried in specs, on other sheets, or assumed to be someone else's scope. We check for each one.
- Level 5 finish specified at lobbies, corridors and boardrooms but priced as Level 4. It hides in the finish schedule or a general note. We read the room-by-room finish schedule and flag each Level 5 area.
- Head-of-wall firestopping and deflection track. These are often on the life safety plans or structural sheets, not the architectural drawings. We cross-reference all sheets and include them as separate line items.
- Shaftwall and area separation wall assemblies. They are sometimes shown as a wall type but priced as standard board. We identify these assemblies and take them off by component.
- Ceiling board thickness — 5/8 in. instead of 1/2 in. on a framed ceiling. The reflected ceiling plan or a general note may specify 5/8 in. for fire or sag resistance. We check the ceiling spec and measure accordingly.
- Acoustical insulation inside partition cavities. It is often shown on the acoustic plan or noted in the wall type schedule. We measure the cavity area and list it separately.
- Backing and blocking for grab bars, casework and wall-hung items. These are shown on the architectural and specialty plans. We count each location and include 12-gauge studs or wood blocking as required.
- Abuse-resistant and impact-rated board at corridors and gyms. These are specified in the finish schedule or a general note. We separate them from regular board and price them by area.
- Curved walls, radii and multi-sided soffits. These require additional labor and sometimes special board. We measure the developed length and note the condition for pricing.
- Board at elevator shafts, stairwells and mechanical rooms. These areas are often detailed on separate sheets and missed. We include them in the takeoff.
- Joint treatment level by room, not by project. A single project may have multiple finish levels. We assign levels by room and list them separately.
- Stud gauge changes at tall walls, and slip track at structural ceilings. These are shown in wall sections and structural details. We review each condition and adjust the takeoff.
- Waste factor on board and studs. Typical range is 5 to 10 percent for board and 5 to 15 percent for studs. We apply waste as a separate line so you can see it and adjust.
Board types and where they are used
Board type drives material cost and installation requirements. This table compares common gypsum board products against thickness, standard and typical use.
| Board type | Typical thickness | ASTM standard | Where used |
|---|---|---|---|
| Regular gypsum board | 1/2 in. | ASTM C1396 | Walls and ceilings in non-rated, dry areas. |
| Type X gypsum board | 5/8 in. | ASTM C1396 | Rated assemblies: corridors, stairwells, shaftwalls. |
| Moisture-resistant board | 1/2 in. or 5/8 in. | ASTM C1396 | Wet walls, backer for tile, restrooms, kitchens. |
| Abuse-resistant board | 1/2 in. or 5/8 in. | ASTM C1629 | Corridors, service areas, schools, hospitals. |
| Impact-rated board | 5/8 in. | ASTM C1629 | Gymnasiums, high-abuse walls, correctional facilities. |
| Shaftliner board | 1 in. | ASTM C1396 | Shaftwall assemblies at elevator and mechanical shafts. |
| Foil-backed board | 1/2 in. or 5/8 in. | ASTM C1396 | Vapor retarder in ceilings or walls where specified. |
| Cement board | 1/2 in. | ASTM C1288 | Wet areas, tile backer, exterior soffits. |
Codes, standards and spec sections that affect quantities
Drywall quantities are driven by the adopted building code, fire ratings and acoustic requirements. The International Building Code (IBC) and International Residential Code (IRC) set the fire-resistance ratings for walls and ceilings. These ratings determine board type and thickness. For example, a 1-hour rated wall may require 5/8 in. Type X board on both sides. The code edition adopted in your jurisdiction may differ; confirm the adopted edition with the local building department.
The International Energy Code (IECC) affects insulation requirements, which can add acoustical batt insulation in partition cavities. The National Fire Protection Association (NFPA) standards, such as NFPA 13 for sprinklers, can affect ceiling heights and soffit construction. Firestopping requirements are often found in the life safety plans and specifications, referencing UL systems. The UL Fire Resistance Directory lists tested assemblies; the wall type schedule should reference these.
Specification sections that affect quantities include:
- Division 09 20 00 Plaster and Gypsum Board
- 09 21 16 Gypsum Board Assemblies
- 09 22 16 Non-Structural Metal Framing
- 09 29 00 Gypsum Board
- Division 05 40 00 Cold-Formed Metal Framing
- Division 07 84 00 Firestopping
- Division 07 21 00 Thermal Insulation
- Division 10 21 13 Toilet Compartments and 10 28 00 Toilet, Bath and Laundry Accessories when partitions carry them.
Finish levels are defined by the Gypsum Association GA-214 standard. Level 4 is typical for commercial walls; Level 5 requires a skim coat and is often specified at lobbies, corridors and boardrooms. The finish schedule and general notes should be checked for each room. Acoustical requirements may be shown on a separate acoustic plan. Cross-reference all sheets to capture firestopping, insulation and special board types.
Who uses this drywall subcontractor estimating package
General contractors
You need a drywall number to complete your bid package or compare subcontractor quotes. Our takeoff gives you a line-item breakdown you can check against each sub's proposal.
Drywall subcontractors
You bid multiple projects a week and need a fast, accurate takeoff to price from. We deliver in 24–48 hours with marked-up plans so you can see where quantities came from.
Developers and owners
You want a budget before design is complete or a check on a contractor's proposal. Our takeoff shows board by type, studs by gauge and finish levels by room.
Architects
You need a cost check on wall assemblies and finish levels during design. The takeoff shows the cost impact of Level 5 versus Level 4 or Type X versus regular board.