Kerfline
Quoting software for countertop shops.
- Made from
- A paragraph and a spreadsheet
- Theme
- Granite
- Slides
- 12
Three example decks. Kerfline started from a paragraph and a spreadsheet, Lanes from a six-minute voice memo, and Liftday from an old 31-slide deck.
Quoting software for countertop shops.
Online booking for swim lessons at city pools.
Crane scheduling for building sites.
Kerfline, Lanes and Liftday are example companies, not customers.
Kerfline
Countertop quotes, built in ten minutes.
3–5 days
A countertop quote takes 3 to 5 days to send. The job goes to whoever answers first.
26 of 31
shops we spoke to still quote on paper or in Excel.
Interviews with fabrication shops in Texas and Arizona.
A photo and three measurements. A slab layout and a price in ten minutes of work.
One visit: photo, measurements, price.
Six pilot shops, 410 quotes. Average turnaround down from 3.6 days to 4 hours.
Request to quote sent, average across six pilot shops.
$249
a month per shop. Four paying, two on trial.
$996 a month in revenue today.
9,000
About 9,000 fabrication shops in the US.
Source neededYour notes say 'check'.
Why now: the phone in every installer’s pocket can measure a kitchen.
From the founders’ answers.
Scheduling suites don’t quote. Layout software doesn’t leave the office.
Eight years running a fabrication shop. An estimating tool built at a construction software company.
Raising $1.2M to reach 120 paying shops.
17 months of runway at $70K a month.
Lanes
Swim lessons at public pools, booked in one tap.
Swim lessons at city pools sell out in hours, and parents still book them by phone.
Registration opens at 8 on a Saturday morning.
40 min
on hold, and the class was already full.
The founder’s own booking, spring 2025.
Book in one tap. When a family cancels, the next one on the waitlist gets a text and two hours to say yes.
Timetable, booking, waitlist.
1,180 places sold this summer. The waitlist refilled 212 that would have sat empty.
Summer session, 14 pools.
$1.50
a booking, paid by the parks department. Parents pay nothing extra.
1,180 bookings this summer: $1,770.
14 pools
run by three city parks departments.
Every one took bookings by phone or on a paper form before Lanes.
Recreation software runs leagues and memberships. Lessons are an afterthought.
One parks department at a time, starting next door to the first three.
A pool registrar and a ticketing engineer.
Raising $600K to reach 40 parks departments.
RunwaySource needed
Liftday
Crane time on building sites, booked like a calendar.
47 min
a day lost waiting for the crane, booked on a whiteboard and by radio.
Liftday’s study across 9 sites.
A trade requests a lift. The superintendent approves it. The operator sees the day.
“We stopped arguing on the radio.”
Superintendent, Denver tower job.
The day, by the hour.
Idle crane time down from 47 to 12 minutes a day across 9 sites.
Average idle minutes a day per crane.
$400
a crane, a month.
Billed to the general contractor.
9 sites
live with three general contractors.
Head-office tools plan the project. Nothing books the next lift.
One superintendent at a time, then the whole contractor.
A superintendent and a logistics engineer.
Raising $1.5M.
60% product, 25% sales, 15% operations.