A hot tub can be installed in less than a day once the foundation is ready.
But what kind of foundation do you need for your Master Spa?
A hot tub requires a flat, level foundation surface — whether it’s a concrete slab, reinforced deck, or firmly compacted soil with crushed gravel. There’s also the option to have an in-ground hot tub. However, if you want to put your spa in the ground, you will need a concrete vault.
For concrete installations, you should go with a 4-inch-thick reinforced concrete base that can support 120 pounds per square foot.
Why is it best to use a concrete slap for your hot tub foundation?
A hot tub is heavy and weighs even more when you fill it with water. Larger units can weigh more than 7,000 pounds when filled. A concrete hot tub foundation can support the weight of the spa filled with water and people.
Your local Master Spas retailer can help you find a contractor or landscape company. These professionals can help you prepare the site for your spa, giving you peace of mind that your investment is safe and protected.
A “bad” spa base can potentially void your warranty and cause damage to the structure of the spa.
If you want to install your spa on a spa pad, you still need to have the site prepared. Steps include removing sod and digging down at least 4 inches. You will also need stone and gravel before putting the spa pad down.