Setting Up Your Hot Tub Foundation Gravel the Perfect Way
Choosing the right hot tub foundation gravel will be the first stage toward making sure your brand-new spa doesn't sink into the mud or break under its own weight after the 1st big rain. I know it's tempting to just pick a level just right the lawn and call this a day, but once you fill up that tub with hundreds of gallons of water, it's going to weigh many tons. Without a strong, well-draining base, you're basically requesting a lopsided soak and a very costly repair bill for your tub's frame.
Building a gravel pad any of those DIY projects that feels like a lot of sweating with regard to a "simple" outcome, but it's in fact the smartest method to go for most homeowners. It's cheaper than flowing a concrete piece, much better regarding drainage, and it won't crack whenever the ground freezes and thaws. Let's walk through just how to do this particular so your hot tub stays degree and happy for a long time.
Why Gravel Beats Concrete Quite often
A lot of people think concrete is the particular gold standard intended for hot tub basics. While concrete is definitely definitely sturdy, it has a few annoying downsides. First, it's permanent. When you decide to move the hot tub in five years, you're left using a giant gray rectangle in the middle of your yard. Second, this doesn't "breathe. " Water can pool on top of it, which means underneath associated with your hot tub is constantly seated inside a puddle.
Hot tub foundation gravel solves the drainage problem instantly. If you spill water—or in order to rains—the drinking water just filters right through the gems and in to the surface. This keeps the arearound your own spa dry and helps prevent the wood or plastic framing from the tub through rotting or developing mold. Plus, in case you ever want to get rid of the particular tub, you may just rake the gravel away or even use it for any fire pit area.
Picking the Best Kind of Stone
You may head to the hardware store and believe all rocks are created equal, but that's a quick way to end up getting the foundation that adjustments around like a ball pit. You need to prevent "pea gravel" with regard to the actual bottom. Pea gravel consists of smooth, round gemstones that don't locking mechanism together. If you attempt to put the 4, 000-pound hot tub on pea gravel, the gemstones will just squish in order to the edges.
Instead, an individual want to look for 3/4-inch crushed stone or "crushed limestone. " Because these rocks have jagged, sharp edges, they lock together if you pack them down. There's also some thing called "3/4-minus, " which includes the smaller dust plus bits of rock. This stuff packs down as difficult as a rock (literally), that is exactly exactly what you want to get a heavy spa.
The Role of Geotextile Fabric
Before you even think about dumping the pile of hot tub foundation gravel in your yard, you have to purchase a roll of heavy-duty landscaping material (geotextile fabric). Don't skip this. If you put gravel straight onto the grime, the dirt will eventually swallow the gravel. After a few heavy rains, the stones will certainly sink, the dirt will rise, plus your foundation will become a mess. The fabric works as a barrier that lets water through but will keep the stone plus soil separate.
How to Build the Foundation Step-by-Step
You don't need a level in engineering to do this, but you perform require a shovel and a bit of patience. Here's the general flow associated with how many people obtain it done.
1. Mark Your own Territory
Start by measuring your own hot tub. You'll want your gravel pad to be at least 6 to 12 inches wider than the tub on all edges. This provides you a nice "splash zone" and ensures the particular weight is distributed properly. Use some stakes and thread to mark out the perimeter.
2. Dig It Out there
You'll have to dig down about 4 to 6 inches. If you're building on a slope, this part will get a bit trickier because you'll end up being digging deeper on one side than the particular other. The goal is a flat underside. Remove all the particular grass, roots, and loose topsoil. In the event that you leave the grass underneath, it'll rot and trigger the foundation to settle unevenly.
several. Build a Wood Frame
This isn't strictly necessary, however it makes the particular job look 10 times more professional. Use pressure-treated 4x4s or 4x6s in order to create a framework throughout the hole. This particular keeps the hot tub foundation gravel contained therefore it doesn't drip out into the yard over time. Protected the timbers with long pieces of rebar driven directly into the ground.
4. Fill plus Level
Place down your fabric, then start shoveling in the gravel. Fill it within layers of regarding 2 inches from a time. After each layer, make use of a plate compactor (you can rent these for cheap) or a hands tamper to package it down tight. If the gravel is too dry, squirt it lightly with a hose; the particular moisture helps the particular particles settle directly into each other.
Getting the Ranking up Perfect
This is the most critical part of making use of hot tub foundation gravel . If your tub is also an inch out of level, you'll notice it every time you look with the water range. Worse, it places uneven pressure on the acrylic cover, which can direct to cracks.
The best way to check for level is to use an extended, straight 2x4 board and a 4-foot carpenter's degree. Place the board across your gravel bed and put the amount on best. Move it close to in a star pattern—across, side-to-side, and diagonally. If you find the spot, add a bit more gravel and pack it down. Don't confidence your eyes; your own backyard is most likely even more sloped than a person think it is.
Keeping This Each and every
Once the tub is usually delivered and sitting down pretty, you don't have to perform much, but a little maintenance goes a long method. Occasionally, you may see a stray weed pop upward through the gravel from the edges. Given that you used landscaping design fabric, these must be easy to pull out.
If you find that will the hot tub foundation gravel is getting kicked out into the grass, you might want to add a decorative border of larger riv stones or pavers around the edge. This creates a clear transition and the actual whole set up resemble a deliberate part of your gardening rather than simply a pile of rocks.
Is Gravel Comfortable to Walk On?
Let's be honest: strolling barefoot on spectacular crushed stone isn't exactly a spa-like experience. If you're worried about your own feet, you are able to spot a few huge, flat flagstones or even concrete pavers on top of the gravel perfect where the steps of the hot tub will sit. This gives a strong, smooth place to step when you'm obtaining in and away, while still allowing the rest of the pad drain perfectly.
Final Thoughts on Costs
Compared to a professional concrete pour, which can very easily run you $1, 500 to $3, 000 depending on the size and location, a gravel pad is really a grab. You're mostly searching at the cost of the rock (which is usually sold by the ton or the yard), the wood regarding the frame, and the rental of the compactor. For the few hundred dollars and a Sunday afternoon of function, you get the base that's perhaps better for your durability of your hot tub.
Creating a solid foundation isn't the most exciting part of getting the spa, but it's the part you'll be most grateful for in 5 years when your own tub is nevertheless perfectly level plus the wood frame is bone-dry. Just take your time along with the digging and the leveling, and you'll be soaking in peace before long.