Floating Floor Over Rigid Insulation

But a floating sub floor can be used by using two layers of 3 8 or 1 2 cdx 1 screwed to each other.

Floating floor over rigid insulation.

Stylite eps floor insulation is available in a range of different thicknesses and sizes. You may want to look into a 1 2 rubber material instead. There are two ways to handle insulating concrete floors. Floating floors have become increasingly popular for many types of floor coverings.

The term floating floor does not refer to a type of flooring material but rather to a method of installation that can be used with a variety of materials including laminates engineered hardwood and luxury vinyl flooring. Or as demonstrated here you can cover the slab with rigid foam insulation add two layers of plywood and then add the finish flooring. The insulation should be pushed tight to the underside of the floorboards. You can attach wood sleepers to the floor fill the gaps with rigid foam insulation and then apply your finish flooring.

Rockwool offers stone wool insulation products to meet and exceed thermal regulations in floor constructions as well as solutions for separating floors to prevent heat transfer between the upper and lower floors. This system is usually installed over sound proofing material. Glue down click lock or loose lay. Achieving a u value of 0 25 would be a good target.

However if you are installing vinyl flooring over a concrete sub floor you will need a very thin vapor barrior such as visqueen vapor barrier underlayment to protect your flooring from. Starting from the bottom the floating floor insulation is laid over the concrete slab and screed and damp proof membrane if necessary. Stylite eps floor insulation boards. The flooring is separated from the insulation board with usually polythene and covered with the floor finish such as carpet or laminate floor for example.

Vinyl flooring needs to have a sturdy stable sub floor with very little cushioning regardless of the installation type. A semi rigid material is generally best as it can be cut very slightly oversized and squeezed in between the floor joists thereby ensuring no draught causing gaps. That would need 90mm of rigid foam or 150mm mineral wool. You just need to make sure your foam insulation doesn t get crushed with all the weight on top of it.