Waterproof Hot Tub Cover

Taisheng Waterproof hot tub cover is the best choice for your spas and hot tubs. It has a 5 years warranty, with ASTM F 1346-9 approved. It provides the best insulation to the spas, less heat loss and more energy saving. We have thickness choices from 12cm-10cm to 4’’ to 2’’, different type of foam density to meet your market need. What’s more, there are 17 colors of cover skin for your available choices.

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Product Details

Product Parameter of the Taisheng Waterproof hot tub cover

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EPS Foam+100%Marine Vinly

Foam Thickness

 5’’-4’’, 4’’-3’’,4’’-2’’

Steel Inserted Channel

1mm thick galvanized steel

Position of C-channel

Inserted inside the foam

Foam outer layer

Polyethylene film

Thickness of the foam protection layer


Technology of the foam protection layer


Vinyl Color


Cover Skin Standard



1~3 years



Factory Lead Time

10~20 days

Featured Details of Outdoor Spa Cover for Sale

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1- The core:

25 kg/m3 EPS virgin foam. Thickness: generally 10-6cm, 12-8cm, 5’’-3’’, 4’’-2’’ for choices.

2- A heavy-duty C channel

It is 1mm thick, inserted inside the foam to make sure the cover itself can support heavier weight. (traditionally, the C-channel is outside the edge of the foam, which will easily get loose due to heavy load, and will damage the outer protective film easily, then cause unwanted water-absorbing easily)

3- Outside protective film for the core

It is 1.0mm thick PE film in case to protect the core from absorbing steam and vapor. And to prevent mildew and deformation.

4- Two Standard Handles.

On edge of each side. They are sewed inside the leather, in case of leather burst caused by needle holes.

5- 4 adjustable straps with locks.

They can be custom made also. Firmly lock to the spas to avoid any access of children climbing and push.

6- 11.5cm standard Cover Skirt.

It can be custom made also. Logo OEM acceptable.

7- Thermal Pad

A long thermal pad in the middle of two half covers, in order to prevent heat from getting loss. We have 3 types of thermal pad available for choices. A full long one, a long one + two small pads, two small pads only.  A full long thermal pad would be the best choice of heat-reservation.

8- Skin Colors

There are 17 colors available for choices. And There are two standards of quality.

9- Bottom Skin

It is made of  PVC waterproof cloth/ black mesh for choices.

10- Packaging

PE woven bag / Master carton

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Our Guarantee for Every Cover

--A tracking number on the cover skin to offer you best after-service

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Is the straps adjustable?

Can be fixed and can be adjustable

What types of locks do you have?

Two, the center button and the tint release

What’s a thermal pad?

The pad in the middle of two half covers

What’s a long thermal pad?

A long pad in the middle of two half covers

How to measure the Radius corner of Waterproof hot tub cover?

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If your required Waterproof hot tub cover is a square one with round corners, then, you need to further confirm us the corner radius for a suitable cover. Please follow me by below steps:

Firstly, you need a carpenter's square.

Secondly, place the carpenter’s square on the corner of your existing cover or on the corner of your hot tub.

Thirdly, the measurement from the inside corner of the carpenter’s square--A to the point where it first touches the hot tub--B. The distance--R is exactly the radius of the rounded corner.

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