The Importance of LAG Bolts

TREE HOUSE LAG BOLT 1.25X12

What Other Bolts Will I Need for My Treehouse?

There are many things to consider when building your dream treehouse.  What tree are you going to use, is it healthy, what size is it going to be, what will it look like, and most importantly, and most importantly how you plan on attaching the treehouse securely to the tree to ensure fun for years to come. Just like our TABs, LAG Bolts can be a crucial part of your future build. So what are they, and why do you need them? At Treehouse Supplies, we are experts with treehouse plans, materials to use, and the bolts and brackets to build the treehouse.

Today, we will highlight one of our most frequently purchased items, the Treehouse Supplies LAG Bolts, a mainstay in today’s treehouse industry.  

Treehouse Supplies LAG Bolt

Get To Know The Basics of LAG Bolts

Treehouse LAG Bolts are one of the most effective and practical means to carry lighter weights when TABs are not quite necessary. Our tree house lag bolts come in 1” & 1¼” versions with varying lengths. LAG Bolts may be made out of steel, stainless steel, or silicon bronze, and are hot-dip galvanized to accommodate any and all projects as needed. Lag bolt provides a longer-lasting connection due to its length!

Making sure that the bolts are strong enough to match the design load of your treehouse is one of the most important safety measures you can take when constructing your treehouse. The amount a LAG Bolt can hold depends on the tree type, bending moment, bolt placement, and weather.

2 Tree - 2 Post Classic Layout Featuring LAG BOLTS

What Are the Next Steps?

If you’ve already purchased your LAG Bolts or are interested in how to install them, check out our Youtube video. Once you’ve gotten your LAG Bolts, you’ll be one step closer to beginning the building process. Also, look for our next blog post, where we will discuss our Treehouse Brackets.


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