Does the tie-in callout stay visible across the full 30-foot run?

Yes, the tie-in point at the long edge is marked clearly even across this larger footprint, so it won't get lost in a long span.

Can I split this into more than three sections?

Absolutely. ArcSite lets you add or resize sections to fit a different post spacing.

Is ArcSite free to try before I commit to a plan?

Yes. ArcSite offers a free trial, so you can explore the tool before deciding on a subscription.

12x30 Deck Layout - Free Template Download!

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12x30 Deck Layout

A 12x30 deck runs long enough to support several outdoor activities at once, from hosting larger gatherings to splitting the length into distinct zones. Starting from ArcSite's 12x30 deck layout template, you can reshape the framing to fit your own site.

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Opens right in your browser — no install. Make it yours within minutes.

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Key Features

This 12x30 deck layout includes:

A true 12-foot depth and 30-foot run, framed as one continuous span
Three equal 10-foot sections across the full length
16-inch on-center spacing called out throughout
A callout marking the tie-in at the long edge
Adjustable section widths and spacing

The tie-in callout at the long edge stays visible even across this larger footprint, so the connection point doesn't get lost in a 30-foot run.

Accurate to scale

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Professional results

Design tips

Key Considerations When Designing a 12x30 Deck Layout

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At 30 feet long, this layout splits the run into three equal 10-foot sections so the framing doesn't get lost across the extra length. ArcSite lets you resize any of those sections independently, which comes in handy if your own tie-in point sits off-center along the long edge.

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