Need support?
For troubleshooting, bug reports, or purchase questions, email manhnt.bkit@gmail.com. Include your device, iOS or iPadOS version, and a short description of what you expected to happen.
App Screenshot
Construction Pro in the field
This screen comes from the recorded how-to walkthroughs and shows the app being used in the same kind of real-world framing workflow the support pages are written for.
Support Basics
Help, purchase recovery, and product coverage
This page is both a customer support destination and a tutorial index. It keeps routine support steps available while pointing search visitors to deeper worked examples for the tools they are already trying to use.
Restore purchases
- Open Settings in Construction Pro.
- Tap Restore Purchases.
- Use the same Apple ID that made the original purchase.
Current calculator coverage
- Roof Estimator and Rafter Calculator
- Stair Calculator and Stairwell Opening
- Concrete Takeoff and Drywall / Siding
- Right Angle, area, perimeter, memory, and tape history
Want the full page directory?
Open the dedicated index of all public Construction Pro support pages if you want one place to browse every tutorial, help page, and reference link.
How-To Guides
Ten support articles built from the in-app tutorial topics
Each article below answers the question in plain language, shows where the matching tool lives inside the app, and includes three anchored field examples for long-tail search traffic and fast internal linking.
Rafter Calculator
How to Calculate Rafter Length in Feet-Inch-Fractions
Common-rafter math with 6:12, 4:12, and 8:12 examples plus field-friendly cut-list output.
Roof Estimator
How to Estimate Roof Squares, Bundles, and Waste
Roof takeoff examples that show slope, overhang, waste, bundles, and ordering decisions.
Stair Calculator
How to Calculate Stair Rise, Tread Count, and Total Run
Floor-to-floor stair layout examples for interior stairs, basement stairs, and deck stairs.
Core Calculator
How to Convert Decimal Feet to Feet-Inch-Fractions Fast
Fast conversions from decimal feet to tape-friendly marks used on framing and slab layout.
Concrete Takeoff
How to Calculate Concrete Volume for Slabs Without Mistakes
Slab pour examples with cubic yards, bag counts, and waste assumptions that stay practical.
Right Angle
How to Find Right Angle and Diagonal for Layout Work
Square-layout checks for slab, addition, and interior wall work using rise, run, and diagonal.
Drywall / Siding
How to Estimate Drywall Sheets for a Room
Sheet-count examples based on gross area, opening deductions, and 4x8, 4x10, or 4x12 boards.
Stairwell Opening
How to Size a Stairwell Opening Correctly
Headroom-based opening calculations for standard, tall, and tight remodel stair situations.
Roofing Accuracy
How to Avoid Common Roof Framing Math Mistakes
Three expensive input errors builders make when switching between roof area and rafter math.
App Workflow
How to Replace a Physical Construction Calculator With an iPhone App
Use one app for jobsite calculation, takeoff, saved history, and tool-specific walkthroughs.
Useful Links
Keep product, legal, and support links together
The support hub is paired with the public marketing page, privacy page, and terms page so App Store visitors and customers can move between product details and support without guessing.