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DIV 08 · ENVELOPE

Openings Estimating

Every door, window, and glazed opening counted and scheduled — a division where missed hardware sets quietly erode a bid's margin.

What We Take Off

  • Hollow metal, wood, and specialty doors
  • Door hardware sets
  • Windows and glazing
  • Storefront and curtain wall systems
  • Skylights
  • Frames and thresholds
2D & 3D Drawing Support

Works from whatever plans you have

Traditional 2D CAD drawings and PDF plan sets, or 3D BIM models — openings quantities are taken off directly from your source files, cross-checked against the model where one exists, and delivered in the same itemized format either way.

Need the drawings themselves, not just a takeoff from them? See Drawing & Engineering Services.

What We Watch For

Where openings estimates commonly go wrong

Hardware sets are the most commonly underpriced line in this division — a door schedule with 40 openings can carry 40 different hardware groups, each with its own cost.

Get a Quote

Ready for a openings estimate?

Send your plans and get an itemized, bid-ready estimate back — organized the way you actually bid.

Request a Quote