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Notes on takeoff & estimating

Practical, no-fluff notes on how takeoff actually works — and how ReadMyBlueprint is built under the hood.

Oct 9, 2026

Can ChatGPT do a drywall takeoff? We tested it on a real plan sheet

Free ChatGPT estimated 220 LF of new walls on a renovation sheet that draws none. Our own tool counted 1,280 LF of existing walls on the same sheet. What went wrong in both, and what we fixed.

Oct 8, 2026

Where to find drywall & framing bids in Missouri: plan rooms and bid sources

A neutral map of Missouri state, MoDOT, city, county, university and regional plan-room sources, plus tips on planholder registration, pre-bid meetings and addenda.

Oct 8, 2026

Where to find drywall & framing bids in Kansas: plan rooms and bid sources

Kansas bid sources for drywall, framing, insulation and CMU subs: the state eSupplier portal, Wichita, university and school-district pages and Kansas City plan rooms.

Oct 8, 2026

Where to find drywall & framing bids in Arkansas: plan rooms and bid sources

Where Arkansas subs find bids: the state's construction bid page and ARBuy, city portals in Little Rock, Fayetteville and more, ARDOT lettings, and tips on planholders and addenda.

Oct 8, 2026

Where to find drywall & framing bids in Oklahoma: plan rooms and bid sources

Where Oklahoma subs find bids: state Bid Express postings, Oklahoma City on BidNet Direct, Tulsa construction bids, ODOT and AGC of Oklahoma, plus planholder tips.

Oct 8, 2026

Plan rooms and bid sources in all 50 states

State-by-state guides to where drywall and framing subs find public bids: DOT lettings, procurement portals, city and university bids, builders exchanges and AGC chapters.

Oct 8, 2026

Where to find drywall & framing bids in Iowa: plan rooms and bid sources

Where Iowa subs find bids: the state bid opportunities page, Iowa State and University of Iowa bids, Master Builders of Iowa and regional plan rooms.

Oct 8, 2026

Takeoff software for small drywall and framing contractors: what actually matters

Seven things a 1–10 person drywall or framing shop should check before buying takeoff software, and where each type of tool fits.

Oct 8, 2026

Spreadsheets vs. takeoff software for drywall bids

Spreadsheets are great for pricing and weak for measuring. A hybrid workflow: takeoff for quantities, export, then price in your own sheet.

Oct 8, 2026

AI takeoff: what's real and what's hype

A plain breakdown of what AI takeoff does reliably, where it breaks, and seven questions to ask any vendor.

Oct 8, 2026

Taking off a multi-story apartment building: drywall and framing walkthrough

How to organize an apartment-building takeoff: repeating units, rated walls, sheets to skip, and grouping by wall type.

Oct 8, 2026

Drywall and framing bid sheet: how subcontractors build a bid

From takeoff quantities to a finished proposal, with waste, labor, markup, exclusions and a bid-day checklist.

Oct 8, 2026

How to become a drywall and framing estimator

The skills, training paths and career steps for drywall and framing estimators, with hiring tips for owners.

Oct 8, 2026

When your plan set has no wall-type legend (or a scrambled one): how to take off walls anyway

What to do when a plan set has no wall-type legend or a scrambled one: take off the walls by hand, document your assumptions, and demand a tool that flags instead of guessing.

Oct 8, 2026

Bluebeam for takeoff: what it does well, where manual clicking adds up, and what to pair it with

A fair look at Bluebeam for drywall and framing takeoff: where it shines, where clicking every wall adds up, and a workflow that pairs it with ReadMyBlueprint.

Sep 29, 2026

Our tool was counting some walls two or three times. Here's the fix

Ceiling plans, finish plans and elevations redraw the same walls. Walls are now counted on floor plans only; the Freeport Square re-run went from 17,648 LF to 8,684 LF, with 68% matched automatically.

Sep 23, 2026 · Guide

How to do a construction takeoff: step by step

What a takeoff is and how to do one from a plan set, from scale checks to waste factors.

Sep 23, 2026 · Guide

How to estimate drywall sheets from plans

Wall length, height, sides, layers, openings and waste, with a worked example.

Sep 23, 2026 · Guide

How to calculate metal studs and track from plans

The spacing formula, extras for corners and openings, and track footage.

Sep 23, 2026 · Guide

How many CMU blocks do I need?

1.125 blocks per square foot, openings, special blocks and waste, worked through.

Sep 22, 2026

We ran a real 21-page apartment plan set through our own tool — here's exactly what happened

41.3% of wall footage auto-matched, the rest honestly flagged rather than guessed. Updated Sep 29: re-run after our sheet-counting fix.

Sep 12, 2026

What real takeoff-software reviews actually complain about

We read real G2, Capterra, and Trustpilot reviews of seven takeoff and estimating tools. One complaint showed up more than any other — and it's exactly the failure mode our confirm-before-it-counts labeling exists to prevent.

Sep 12, 2026

A bug we found in our own insulation detection

A real permit set once produced a fabricated "R-308 batt insulation" reading. Here's exactly how it happened, how we caught it, and how we fixed it for good — with the real legend text that exposed it.

Sep 10, 2026

Why "98% accurate" should make you suspicious, not confident

Every takeoff tool claims an accuracy percentage. Here's what that number actually hides, and why a label on every individual measurement tells you more than one blended figure ever could.

Sep 10, 2026

Vector vs. scanned PDFs: why it actually matters for automated takeoff

Not every PDF is the same underneath, and the difference determines whether a tool can measure your plan set at all — or has to guess. Here's what's actually inside the file.