What Substrate To Put Under A Granite Slab Tub Deck

I ve framed out the tub deck to prep for having the granite installed and then drop the tub down on top of the granite.

What substrate to put under a granite slab tub deck. Surround the hot tub with a deck of granite marble quartz solid surface or other material. Compared to concrete and large stones gravel usually costs around 35 to 55 per cubic yard. Installing the granite over the tub often creates a weak point in either the strength of the tub deck or the waterproofing material. When rainwater runs over a gravel patio it just soaks into it rather than accumulating.

Lastly gravel is relatively cheap. It s one of the cheaper options for hot tub bases but it still remains powerful and sturdy enough for large heavy hot tubs. Do not pre cut the hole for the tub. Gravel is cheaper than other filling materials available in the market.

A 12 foot by 14 foot slab would be big enough for an 8 foot by 8 foot spa with steps and a coverlift. I could put gravel in say 2 and 3 5 of concrete over that or just full 5 5 of crete or i could do lot of gravel and a 2 top coat over that with a bunch of steel and fibers. To start use a good level to place horseshoe shims as needed at about 2 ft apart intervals checking from shim to shim that they are all level to each other. If it is under a patio cover a slope of 1 8 inch per foot will work great.

There will only be about a 6 inch strip of granite on either long side of the tub. The gravel molds to the base creating a solid firm platform for sitting. Installing granite on top and face of a jacuzzi or soak tub or hot tubs. Its about 3 75 cu yards of crete or like 400 it will cost 100 for gravel to fill in 2 but my crete is still only a little cheaper and it will be a thinner slab.

To install the granite slab you can use a good thinset. Is this the right method or should i drop the tub in and have the granite pushed up next to the. A sunken hot tub eliminates the need for steps or ladder rungs to get into the water. Thinking about using gravel as a base for your hot tub.

Sloping the topsoil away from the foundation is essential before laying down gravel because it ensures drainage occurs at the soil surface under the gravel. Small gravel including construction or road grade gravel that contains clay drains water away from foundation more slowly than clean large particle gravel. How to install a gravel hot tub base. Construct a backyard hot tub deck to surround.