PROSOCO
Prosoco

Job Estimator

Waste allowance
%
Oct 5, 2026Unsaved changesNo waste added — set an allowance to pad quantities
  1. 1

    Opaque wall area

    Total square feet of opaque wall. This is the area you enter for each field membrane.

  2. 2

    Wall openings area

    Total square feet of windows, doors, and other fenestration. Subtract it from gross wall area if your takeoff has not already.

  3. 3

    Rough opening sizes

    Width, height, and quantity for each window and door size. These go under Rough Openings on FastFlash or FastFlash RG.

Pro tipAdjust rough opening stretch-out to your specific project if it is different than 8 inches.

Substrates on this job

Pick as many as apply

Start with the substrate

Coverage changes with what the product is going onto, so pick the sheathing, wood panel, or block on this job. Then add the coatings, flashings, and sealants going over it.