Roofing Contractors
Create accurate flashings, get quotes faster and reduce on-site issues.
Built for the building industry
Design metal flashings faster.
Draw precise 2D profiles, manage jobs, and share accurate fabrication details in one modern platform.
Trusted by 2,500+ building professionals designing and fabricating flashings.
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Used by professionals across the building industry
- Roofing Contractors
- Fabricators
- Builders
- Cladding Professionals
- Suppliers
Everything you need
A complete flashing design and management platform
From drawing 2D profiles to managing orders, Flash21 helps you work faster, reduce mistakes, and get accurate fabrication details to the people who need them.
2D Flashing Designer
Draw and edit precise profiles with accurate dimensions and angles.
Accurate Dimensions
Work with precise measurements to ensure a perfect fit.
Save Common Profiles
Build a library of frequently used flashings and templates.
Job & Order Management
Keep track of jobs, quotes and orders in one place.
Share with Fabricators
Send accurate drawings and details as PDF or link.
Cloud Access for Teams
Access your projects from anywhere and collaborate with your team.
Powerful and intuitive
2D flashing designer built for the trade.
Create accurate metal flashing profiles in minutes. Adjust dimensions and angles, visualise the profile in real time, and generate fabrication-ready details — no more hand-drawn sketches or guesswork.
- Easy-to-use drawing tools
- Precise dimensions and angles
- Save as reusable templates
- Generate PDF fabrication details
- Reduce mistakes and rework
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How it works
From design to fabrication in five simple steps.
1. Draw
Create your flashing profile with precise dimensions and angles.
2. Save
Store as a template or add to your job.
3. Quote
Generate a quote with material and fabrication details.
4. Share
Send to your fabricator as a PDF or share a link.
5. Fabricate
Get accurate flashings made, faster.
Built for your industry
Work smarter across the building industry.
Fabricators
Receive clear, precise drawings and speed up production.
Building Professionals
Improve coordination and ensure accurate details across your projects.
Simple, transparent pricing
Choose the plan that fits your business.
Plans will be available soon.
What our customers say
Trusted by building professionals.
“Flash21 has saved us hours every week. We can create and send flashing details to our fabricator in minutes, with way fewer mistakes.”
Matt R.Roofing Contractor“The drawings are clear and accurate, which makes fabrication so much easier for our team. It's a game changer.”
Sarah L.Fabrication Manager“Simple to use and saves a lot of back and forth. Our whole team can access jobs and details from anywhere.”
James T.Builder“Quoting used to take me an evening. Now I draw the profile, add the job and send it before I leave the site.”
Emma K.Estimator“We get clean PDFs with every dimension and angle on them, so there are far fewer calls back to check a detail.”
Daniel P.Workshop Supervisor“Saving our common profiles as templates means new jobs start in seconds instead of from a blank page.”
Olivia M.Cladding ContractorGet started today
Modernize your flashing workflow with Flash21.
Join thousands of building professionals saving time and getting it right.