What is lap siding?

Lap siding is horizontal boards or panels installed so each course overlaps the one below.

What lap siding means

Lap siding is horizontal boards or panels installed so each course overlaps the one below. Vinyl, wood, fiber cement and engineered wood all come in lap profiles.

Also called clapboard, bevel siding.

Where it matters on a siding job

Exposure, the visible height of each course, sets how many pieces you need, so get it from the product sheet before you order. Keep courses level around the house and line them up with window heads where you can.

What it costs

For lap siding, the closest koira.ai price is the vinyl siding installation cost guide, near $12,000 for a typical job and $6,200 to $21,000 for most. The guide shows its sources and what moves the price. The siding cost calculator prices a job line by line.

Work it out

Built for siding contractors. Start with a free AI report.

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Standard⚡ Turbo
● Koira did it● You by hand
Today $9,300$8,100 / $1,200
This week $25,050$18,570 / $6,480
This month $69,300$46,150 / $23,150
Money, just now
Reminded Sean Love, $1,850. Polite reminder with the pay link.
Bids, 9:44 am
Nudged Dana on the kitchen bid. Day 3 follow up. She opened it at 9:12.
Convos, 9:41 am
Texted back a missed call. Walk through booked Thu 10:00.
What Is Lap siding? Siding Term Explained | Koira