Drywall Cost

Drywall Cost Per Board: What Really Drives It and How to Quote It

A money-first breakdown of drywall cost per board, from gypsum and paper to dryer fuel, labor, and scrap, with a defensible quoting method and common estimating traps.

Cost per board splits into five buckets: raw material, energy, labor, yield loss, and overhead. For a standard 1/2 inch by 4 ft by 12 ft board, material is usually 55 to 65 percent of factory cost, energy 12 to 18 percent, direct labor 6 to 10 percent, scrap and trim 3 to 6 percent, and fixed overhead the rest. A typical Gulf Coast plant lands total factory cost near 3.20 to 4.50 dollars per board before freight. Build your quote bottom-up from these buckets rather than marking up a single blended rate, or you will misprice thin versus thick and short versus long boards.

Gypsum is the swing cost. Synthetic FGD gypsum near a power plant can cost 8 to 15 dollars per ton delivered, while mined natural gypsum runs 20 to 40 dollars per ton, and long-haul freight can add another 15 to 30 dollars per ton. At 1,700 lb of core per MSF, a 12 ft board carries 48 ft2 x 1,700 / 1,000 = 82 lb of core, about 0.041 tons. Even at 30 dollars per ton that is only 1.23 dollars of gypsum, which is why plant siting next to a cheap gypsum source moves margin more than any line tweak. Use Cost Per Board to see gypsum's share explicitly.

Paper is the second material line and it is priced per ton, not per board. Face and back paper together run about 85 lb per MSF, so a 48 ft2 board carries roughly 4.1 lb of paper. At recycled linerboard prices of 500 to 700 dollars per ton, that is 1.0 to 1.4 dollars of paper per board, often 25 to 35 percent of total material cost and more volatile than gypsum. Starch, accelerator, dispersant, and foaming agent add another 0.15 to 0.30 dollars. When paper markets spike, your material cost can move 15 percent with zero change in gypsum, so quote paper on a current index, not last quarter's number.

Energy is dominated by dryer fuel, and it scales with board thickness and moisture, not board count. Evaporating roughly 860 lb of water per MSF at 65 percent dryer efficiency burns about 1.3 MMBTU per MSF. At 6 dollars per MMBTU gas that is 7.80 dollars per MSF, or about 0.37 dollars per 48 ft2 board. A 5/8 inch fire-rated board carries more core and more water, pushing drying energy 20 to 30 percent higher per board. The Dryer Energy Cost calculator lets you re-quote when gas moves from 3 dollars to 8 dollars, a swing that alone changes cost per board by 0.30 dollars or more.

Labor per board is low but fixed-rate sensitive. A modern line runs with 8 to 15 people per shift covering mixer, forming, dryer, takeoff, stacking, and packaging. At 2,000 boards per hour and a fully loaded 35 dollars per hour, 12 crew cost 420 dollars per hour spread over 2,000 boards, or 0.21 dollars per board. The trap is quoting labor per board at full-speed assumptions: if the line actually averages 65 percent utilization from changeovers and jams, effective labor per board nearly doubles to 0.32 dollars. Quote labor on realized throughput, not nameplate.

Yield loss quietly compounds every upstream cost. If scrap plus edge trim runs 5 percent, every good board must carry the material, paper, and drying energy of 1.053 boards. On a 3.50 dollar board that is 0.18 dollars of pure loss baked into cost, and it is worse because scrapped board is fully processed before rejection at the knife or stacker. Track Scrap Board Rate and Edge Trim Loss as dollar figures, not percentages: at 1.5 million ft2 per shift, one point of scrap is roughly 15,000 ft2, about 313 boards, worth over 1,000 dollars per shift in variable cost alone.

Overhead and capital recovery are where thin quotes die. A greenfield gypsum line costs 80 to 150 million dollars, and depreciation, maintenance, insurance, and plant salary loads add 0.80 to 1.30 dollars per board at typical volumes. This is why utilization is a cost lever, not just a KPI: spreading fixed cost over 250 million ft2 per year versus 180 million changes overhead per board by 0.30 dollars or more. Freight then adds 0.40 to 1.00 dollars per board because drywall is dense and low-value, so a 300 mile delivery radius is often the real edge of a profitable quote.

To build a defensible quote, price each bucket at current inputs, apply realized yield and utilization, then add margin last. A worked example: 1.25 gypsum plus 1.20 paper plus 0.25 additives equals 2.70 material, plus 0.37 energy, plus 0.28 labor, plus 0.18 yield loss, plus 1.00 overhead equals 4.53 dollars factory cost, plus 0.60 freight equals 5.13 dollars delivered, then a 12 percent margin gives 5.75 dollars. Feed the same inputs into the Cost Per Board calculator and stress-test gas price, paper index, and utilization. Quotes go wrong most often by using nameplate speed, stale paper prices, and percentage scrap instead of dollars.

Published 2026-07-01.