

Lintel: building materials, bought on value
The problem. Contractors buy from the merchant they already know, not the best one. Suppliers can't reach new buyers, and neither side wants to pay or ship first.
- Buyer, supplier and admin accounts with company verification
- Job posting as RFQs with coded materials and site details
- Supplier quoting with a transparent best-value score
- Searchable RFQ listings with category, region and value filters
- Escrow checkout: Stripe Connect split shown in the UI (mock)
- Admin approvals, users, RFQs, escrow ledger and revenue chart
- Next.js App Router
- TypeScript
- Tailwind
- shadcn/ui
- Stripe Connect (mocked)
One-click sign-in as buyer, supplier or admin. Fictional companies; payments are a labelled mock.




