Hardware, paint & building supplies
Joist — Shopify theme for hardware
Joist is a Shopify theme for hardware and building supplies. The project calculator adds waste, rounds to whole units, and turns a room into a complete supply list the customer can buy.
$260USD · one-time
Demo password demo2026 · Shopify Theme Store listing
Joist Supply Co. / live demo
What Joist is for
Best for
- Hardware and building-supply stores
- Paint, tile, flooring, and lumber catalogs
- Merchants who sell project quantities
- Stores with coverage data
Not for
- Stores without coverage or unit data
- Catalogs that sell only fixed-size products
What you get
- Project calculator
- Coverage metafields
- Waste factor
- Whole-unit rounding
- Product-level calculator
- Project tiles
- Supply-list collection
- Spec sheets
Questions
What does the calculator do?
It converts area, length, or piece count into whole units, adds a waste factor, and updates the product quantity.
Does it work on product pages?
Yes. The product signature includes a calculator that updates the quantity before add-to-cart.
What is included?
The full Online Store 2.0 theme, documentation, support, and Theme Store updates.