Stronger Pergola Anchor: NO Soil Removal NO Concrete Dry Time
Foundations & Anchoring
A pergola is only as steady as what holds it down. Every Western Timber Frame® structure is engineered to stand for decades, so we anchor it to match — with our own EarthAnchor™ system on most sites, and deep helical screw piles where the ground asks for more. Neither one leaves you waiting on a slab of wet concrete to cure.
Standard on every kit
EarthAnchor™ — included, engineered, built to last
EarthAnchor™ is our own anchoring hardware, and it comes standard with your kit at no added cost. It’s machined from corrosion-resistant aluminum — so it won’t rust or rot the way steel and buried wood can — and it’s engineered to hold each post solid and level for the life of the structure. For most backyards on stable ground, EarthAnchor is all the anchoring a pergola, pavilion, or gazebo needs.
Because it’s aluminum, it carries the same corrosion resistance everywhere — inland, lakeside, or near the coast — with no special hardware to specify.
For tougher ground
Helical screw piles, when the soil asks for more
Some sites need to go deeper: hard freezes, soft or shifting soil, a high water table, or an especially large, heavy structure. For those, we anchor with helical screw piles — think of them as giant earth screws driven well below the frost line into stable soil.
They solve the same problems poured concrete does, without the mess or the wait: no forms, no dry time, and construction can begin the same day. They go in with small equipment that leaves the yard intact — a real advantage in tight backyards — and because they thread into the ground, they can even be removed and reused later.
Why it holds
Solid, level, and built for any season
No concrete dry time
No forms and no waiting on a slab to cure — the build starts right away.
Installs in hours
Small equipment sets the anchors fast, in tight spaces, with no soil hauled off.
No landscape damage
Lawns, patios, and planting beds stay intact — no excavation scars.
Any season
Installation isn’t held up by weather the way a concrete pour is.
Level and staying level
Posts are set true and stay put — no frost heave, no drifting over time.
Fully engineered
Every anchor is matched to your structure and your site’s soil and loads.
Ready to begin?
Let’s anchor your project the right way
Tell us about your site and structure and we’ll recommend the right anchoring — and put together a quote, freight included. Prefer to talk it through? Call 1-801-331-6690 and ask for a Design Manager.
Built Nationwide · Recognized At Home
7,000+ outdoor structures built.
One standard of craftsmanship.
Engineered to code and shipped to all 50 states.
2026 SBA Utah District Manufacturing Small Business of the Year
28-time Best of State honoree
Designed, manufactured, and crafted in Payson, Utah since 2008
Looking for costs? Current pricing by size and series is published on our timber structure pricing page.
