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Setting Main Support Beams — Install Beams

Intermediate4 mins

Part of project

Deck Construction · Step 7 of 13

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With the post bases secured, position the main support beams (6x10s) onto the posts. The beams are 20 feet long and will be seamed together to cover the 30-foot width of the deck. Use appropriate Simpson Strong-Tie hardware, specifically angle brackets and structural screws, to connect the beams to the posts and to each other where they seam. Use a circular saw to make any necessary cuts to the beams for precise fitting.

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FAQs

How difficult is building a deck, and how much time should I realistically expect it to take?

Building a deck is an intermediate to advanced DIY project that requires careful planning and precision. While individual tasks vary, a complete deck build can easily take several weekends or even weeks, depending on the size, complexity, and your experience level. Don't underestimate the time needed for planning, permits, and inspections.

Why are permits and local building codes so important for deck construction?

Permits ensure your deck meets safety standards and local building regulations, preventing potential fines and ensuring structural integrity. Local codes dictate crucial aspects like footing depth, span lengths for beams and joists, fastener types, and railing height. Always check with your local municipality before starting any work to avoid costly rework or safety hazards.

What specialized tools will I need beyond basic hand tools for building a deck?

Beyond common tools like a measuring tape, pencil, and level, you'll need specialized equipment such as a post hole digger for footings and a power saw for cutting lumber accurately. A decking tool, like the Plank Rite Decking Tool mentioned, can be very helpful for consistent board spacing. Consider renting larger tools for efficiency.

What are some common mistakes beginners make that compromise deck safety and longevity?

A major mistake is neglecting proper footing depth and size, which can lead to settling and instability. Another common error is improperly attaching the ledger board to the house or failing to use appropriate fasteners, which can cause catastrophic structural failure. Always ensure all connections meet local code requirements and are securely fastened to carry the intended load.

Transcript
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That's sexy. All right, so we're back with our beams here. Like promised, 6x10. I got four of them. Yeah, I got four of them. In ideal world, I would love to have a nice 30ft long one so it could just sit. Uh but instead, we have to kind of seam them together, which is fine cuz we're going to use the appropriate hardware and brackets and stuff. All that work for a stupid cut. I should have brought my chainsaw. Let's beautify this beam with the hardware. One thing you will notice if you have eyes, no disrespect to people who don't have eyes, is that there's not enough uh posts to grab the bottom. But the cool thing about this system from Simpson, yeah, Simpson Strong Kai, is that these holes line up with the the anchors. So, I'm able to take these bolts out, connect it through there, and then connect it through here. And and what that will do is keep this beam from moving. It's one with the land. Look at these cute little guys. What's cool about them is they have a centering mechanism in it, so it just hugs in place and it doesn't go anywhere, nowhere. At this point, we're just adding jewelry to a bunch of rough saw lumber and I love it. Here comes the fun part. We got

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