Estimate total 4x8 plywood sheets, OSB wall sheathing, T&G subfloor panels, cut-off waste buffers, subfloor adhesive tubes, ring-shank fasteners, and total project budget.
Standard 3x5 window = 15 sq ft; 3x6.8 exterior door = 20 sq ft.
Eliminate job site shortages, excessive scrap waste, and squeaky subfloor call-backs.
Underestimating sheet goods by neglecting kerf loss and diagonal corner cuts leaves framers stranded mid-sheathing, incurring expensive hot-shot lumber delivery fees and weather delays.
Under-allocating subfloor polyurethane adhesive leads to dry joints between joists and plywood tongues. This tool automatically calculates exact 28-oz cartridges needed at 1/4" bead coverage.
Building inspectors enforce APA 6" edge and 12" field fastening schedules. We accurately project required 8d ring-shank nails or structural screws across every square foot.
A single stack of twenty-five 3/4" subfloor sheets weighs nearly 1,800 lbs, exceeding half-ton pickup bed ratings. Our live mass tally prevents dangerous vehicle and floor framing overloads.
Five straightforward steps to generate comprehensive sheet goods takeoffs.
Enter the total run length and span width of your floor, wall, or roof plane in feet or meters.
Deduct large window, door, or stairwell voids. Leave small holes under 10 sq ft intact to cover cut scrap.
Select standard 4x8 (32 sq ft), 4x9, or 4x10 sheets to match your wall stud heights or floor joist layout.
Apply 10% for basic rectangular plans, or 15% to 20% for hip roofs, rakes, and dormers.
Review total sheets, subfloor glue tubes, nail boxes, and budget, then click Copy Summary.
Engineered for general contractors, timber framers, and residential carpenters.
Automatically derives 28-ounce heavy-duty polyurethane adhesive cartridge counts based on standard continuous 1/4" beads laid along joists and inside tongue-and-groove joints.
Supports commercial 4x9 and 4x10 shear wall panels designed to span foundation sills to double top plates without horizontal blocking or vulnerable mid-wall butt joints.
Visualizes the staggered pattern recommended by APA - The Engineered Wood Association, enforcing perpendicular strength orientation across joists and rafters.
Calculates exact ring-shank nail and structural screw counts alongside total sheet poundage to ensure structural compliance and safe transport.
International Residential Code (IRC Table R503.2.1.1(1)) and APA engineering guidelines.
| Application | Nominal Thickness | APA Span Rating | Max Joist/Rafter Spacing | Fastener Schedule | Typical Weight / 4x8 |
|---|---|---|---|---|---|
| Subfloor (Standard) | 3/4" (23/32") T&G | 24 o.c. Floor | 16" or 19.2" O.C. | 8d ring-shank (6" edge / 12" field) | ~70 - 74 lbs |
| Subfloor (Wide Joists) | 7/8" or 1-1/8" T&G | 32 o.c. or 48 o.c. | 24" O.C. | 10d ring-shank / structural screws | ~85 - 105 lbs |
| Wall Sheathing (OSB) | 7/16" OSB | 24/16 Wall/Roof | 16" or 24" O.C. | 6d common / 8d box (6" edge / 12" field) | ~42 - 45 lbs |
| Roof Decking (CDX) | 1/2" (15/32") CDX | 32/16 Roof/Floor | 24" O.C. (with H-clips) | 8d common nails (6" edge / 12" field) | ~44 - 48 lbs |
| Heavy Heavy-Duty Roof | 5/8" (19/32") CDX | 40/20 Roof/Floor | 24" O.C. (high snow loads) | 8d ring-shank (6" edge / 12" field) | ~58 - 62 lbs |
Essential engineering and installation guidance for plywood and OSB projects.
