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Railing code
answers.

Railing code height. Railing code for decks. Guardrail code requirements. People ask these before they hire, and AI answers quote the pages that explain them in plain words.

Get a free websiteRailings and stairs

Without AEO

minimum guard height in buildings under the 2021 IBC, section 1015.3
42 in
ICC, 2021 International Building Code, chapter 10
minimum guard height for homes under the 2021 IRC, section R312.1.2
36 in
ICC, 2021 International Residential Code, chapter 3
sphere that must not pass through a required guard, IRC R312.1.3 and IBC 1015.4
4 in
ICC, 2021 International Residential Code, chapter 3
drop beside a walking surface that requires a guard, IRC R312.1.1 and IBC 1015.2
30 in
ICC, 2021 International Building Code, chapter 10

Code by phone

You explain guard height and baluster spacing on every call. None of it is written on your site, so no engine can quote you.

Kit-seller code pages

Many pages AI quotes come from kit sellers and blogs. They skip what your town adopted and what inspectors in your area check.

IRC-IBC mix-ups

Homeowners mix up home and commercial rules. The shop that explains the difference plainly is the one an engine can name.

The code question

A sample rail shop, one code question to an answer engine, six monthly checks apart.

Example of a sample railing shop, Kellbrook Rail & Iron, on an answer engine’s answer. Before: asked “How high does a deck railing have to be in Ashby County?”, the answer rests on a railing kit seller and a home blog, and the shop’s railings page is read but not cited because it says nothing specific. After the shop writes a plain code page and fixes its profiles, the same answer names Kellbrook Rail & Iron, quotes its line “A guard is measured from the finished deck surface, so we measure once the decking is down.” and cites its page, leaving the exact height to the code section and the building department. The sample monthly check moves from 3% to 36% of 90 sample answers. The kit or custom question stays with the kit sellers.

Asked A homeowner adding a deck asks how high the railing must be in Ashby County.

  1. Asked: A homeowner adding a deck asks how high the railing must be in Ashby County.
  2. Answered: A kit seller and a blog. Kellbrook isn’t there.
  3. Why: “Quality railings for every home” gives an answer engine nothing to quote.
  4. Fixed: Where a guard is measured, who decides and the permit, on one page. One name everywhere.
  5. Named: Asked again, the answer lifts Kellbrook’s line on measuring from the finished deck.
  6. Checked: “Kit or custom” stays with the kit sellers. The code questions don’t.
  1. Sample, after, month 6, answers.example

    A homeowner adding a deck this spring

    How high does a deck railing have to be in Ashby County?

    Searched the web

    Kellbrook Rail & Iron builds deck railings in the county and explains the rule plainly. “A guard is measured from the finished deck surface, so we measure once the decking is down.”1 It says the county’s adopted edition applies and the building department decides. Its name and towns match across its profiles.2 The exact height is in the code section its page cites. Hollin Fence & Rail installs deck rail kits nearby.3

    1. 1Kellbrook Rail & IronQuoted: where a guard is measured from
    2. 2Business profileSame name and towns
    3. 3Hollin Fence & RailDeck rail kits, by county
    Ask a follow-upHow high does a deck railing have to be in Ashby County?
  2. Sample, before, month 1, answers.example

    How high does a deck railing have to be in Ashby County?

    Deck railings usually need to meet a minimum height set by the residential code.1 A home improvement guide lists the common rules for decks.2 Hollin Fence & Rail installs deck rail kits in the county.3 Check with the local building department before building.

    Cited

    1. A railing kit sellerrailkitdirect.example/deck-codeA code summary beside its kits
    2. A home blogdeckhowto.exampleGeneral deck rules
    3. Hollin Fence & Railhollinfence.exampleDeck rail kits, by county

    Read, not cited

    Kellbrook Rail & Ironkellbrookrail.example/deck-railing-codeRailings. Nothing to quote.
  3. Sample monthly check
    Sample monthly check
    QuestionsMonth 1Month 6
    Deck railing height0 of 158 of 15
    Baluster spacing1 of 157 of 15
    When a guard is required0 of 157 of 15
    Railing permit, Ashby1 of 155 of 15
    Glass or cable on a deck1 of 154 of 15
    Railing kit or custom0 of 151 of 15
    Sample answers3 of 90, 3%32 of 90, 36%

What you get

  • Answer pages on what people ask: guard height, baluster spacing, when a guard is required, handrails on stairs
  • Each answer names the code section and the edition your area uses, and says the building department decides
  • Material pages that pair each code answer with your work: iron, aluminum, glass, cable
  • A monthly check of what ChatGPT, Gemini and Perplexity say about railing in your area

The cycle

Answer engine work sits in Lead beside SEO for a rail shop: code answers bring the question, your gallery and booking take it from there.

  1. Lead

    Everything that gets you a lead.

    More people find you and reach out.

  2. Prospect

    Turn interest into a sale.

    More of them say yes, and you never chase.

  3. Client

    Keep the job moving.

    Jobs run on time, with less of you managing them.

  4. Kept or closed

    What happens after the job.

    Finished work brings in the next job.

  5. Growth

    Feed it back into the machine.

    Every finished job helps bring the next lead.

Then it starts again.

CRM: Customers, conversations, bookings, jobs and employee tasks in one place, across all five.

AEO for metal and glass

What we build

The website

A site with glass, cable and iron railings and stairs, shown in your own photos.

SEO

Glass, cable and iron railing pages for each town, with your photos.

AEO

Answers on railing heights and costs that AI tools quote, with your name.

Lead generation

A railing quote page that asks for the length and a photo of the stairs.

Social posts

Stairs and decks you finished, posted with the railing style.

AI agents

An AI agent asks indoor or outdoor, the length and for a photo before you quote.

Missed calls

A missed call gets a text back and a site measure on the calendar.

Booking

Site measures book into your calendar, with the stair photos attached.

The dashboard

Every quote request and site measure on one dashboard, with photos of the stairs.

Reviews and referrals

After each railing goes in, a text asks for a review and a neighbor’s name.

Email campaigns

Past customers and old quotes hear about new styles and open dates.

PostHog analytics

PostHog shows whether people want glass, cable or iron railings.

Session replay

Session replay shows the homeowner who compared railing styles and never asked.

Monthly numbers

Each month you see quote requests, site measures and installs paid.

Every quote reaches one dashboard, and QuickBooks stays.

What we build

The plan

Less Work

Code answers get written once and stop being a phone call.

Less Time

Fewer calls spent explaining spacing and height.

More Sales

Your shop has a fair chance of being named when someone asks an engine first.

Free website

Plans from $1,500 a month.

Get a free website

On your site

  • Your free website, built for your railing shop on a domain that stays yours
  • Galleries by material and place: iron, aluminum, glass and cable on stairs, decks, porches and balconies
  • A quote form that asks for run length, height, mounting surface, finish and photos
  • Plain code notes for homeowners, with the building department named as the final word
  • A page for each county and town you install in
  • Every request sent to you and to your dashboard

You always keep your name, logo, photos, copy and domain. We keep the code and the system behind the site.

Automated

$1,500 a month

No lead lost.

Not in this plan

Every lead answered and booked, and we keep it running.

Your website

  • Hosted and kept up by us. Your domain stays in your name
  • Unlimited pages and changes. Send it and it goes live

Answer and book

  • An AI reply in minutes, day or night, aiming for under 5
  • It asks what you would ask, then books the estimate, showing or measure
  • Anything it can’t handle goes straight to you
  • Follow-ups that stop when they book or go cold

Get found

  • Text posts on the platforms you pick, no limits. Image and video are separate

Measure

  • A monthly report: every request, what it became, the money attached

Managed

$4,000 a month

Every stage handled.

Starts hereContent that moves your numbers in AI answers

Everything in Automated, and we run every stage for you.

Get started, Managed

Every stage

  • Every stage built and run by us, from lead to growth

Get found

  • Content for Google and AI answers, as much as it moves your numbers
  • Unlimited landing pages and lead magnets, with an alert on every form
  • Email campaigns to your lead list, no cap from our side
  • Campaigns on the social platforms your customers use, on your accounts

Measure

  • A dashboard for every lead, job and customer
  • A private site with a stat assistant that keeps watch on your customers

No AI brain or agents of your own.

The partnership

$7,500 a month

We run the whole cycle.

IncludedContent that moves your numbers in AI answers

Everything in Automated, plus us working it and building on it.

Get started, The partnership

Get found

  • Content for Google and AI answers, as much as it moves your numbers
  • Unlimited landing pages and lead magnets, with an alert on every form
  • Email campaigns to your lead list, no cap from our side
  • Campaigns on the social platforms your customers use, on your accounts

Your AI brain

  • One AI brain on your phone: leads, jobs and customers in one place. Ask it anything
  • Connected to your forms, email, calendar and records, so it does the work
  • Hosting and tech run by us: domain, updates, monitoring. Accounts stay yours
  • Skills for your trade: lead questions, follow-up, booking, review requests

Run the work

  • Custom AI helpers for replies and booking, with a person where needed
  • Internal tools built for how you really run
  • Two builds in progress at any time, in the order you pick

Measure

  • One shared live board: every lead and job, where it came from, what it’s worth

Ad budgets and paid software stay on your accounts. Designed image and video posts start once you’re comfortable with AI drafts.

Read first

Your questions

What is the railing code height for a deck?

Under the IRC most U.S. towns build homes to, a required guard on a deck has a set minimum height measured from the decking, shown in the numbers above, with a lower limit along the open side of stairs. Your town may adopt another edition or amend it, so the building department has the final word.

When is a guard required on a deck or stair?

When the drop beside a deck, porch, stair or landing passes the trigger height in the numbers above, measured near the open edge. The IRC and the IBC use the same trigger. Local amendments apply, so check with the building department.

Is the IBC or the IRC used for railings?

The IRC covers one and two family homes and townhouses. The IBC covers commercial and multifamily buildings, and its guard height is taller. Which edition applies depends on what your state or town adopted.

Free website

Sample calendar

Wednesday

  • Measure, Orchard Lane steps
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