Platon Stop - Damp Proof Floor Membrane

Platon Stop - Damp Proof Floor Membrane

Isola | Damp Proof Floor Membranes

Platon Stop Original is a Premium Grade, 2.5mm Stud, Damp Proof Floor Membrane for use as an Damp Proof underlay when installing wood and laminate floors onto concrete, providing a robust an secure physical damp proof barrier.

Platon Stop Original allows for an uninterrupted construction process, a direct result of both the Platon Air Gap Technology and the isolation of the concrete slab from the wooden flooring.

Supplied in (W) 2.05M x (L) 20M (40M²) Rolls.


Platon Stop Original - Damp Proof Floor Membrane

Platon Stop provides an effective, single application damp proofing underlay for wood and laminate floors, and other wood based floors, laid on concrete.

It’s equally effective for renovation or new build projects and the tough polypropylene membrane can be laid directly on to a new concrete slab as soon as it is dry enough to walk on.

With three times the water vapour resistance than film membranes, it eliminates the need to install a foam underlay. Construction height is only 2.5mm.

Platon Stop can be used at ground level as well as on multi storey concrete floors. The wooden flooring material can then be installed immediately.

Numerous tests and studies prove the reliability and dependability of Platon Stop. High standard production and material quality, according to EN 13984 Standard, document Platon Stop's quality ensure this unique performance over the floor's lifespan.

Product Benefits:

  • No need to wait for concrete slab to dry.

  • Offers 3 times more water vapour resistance than film membranes.

  • Fast, single application.

  • Suitable for use under all wood and laminate floors including glue-free systems.

  • Suitable for use on contaminated floors, prior to installation of the finished flooring.

Technical Data:

Membrane Material Polypropylene
Stud Height Approx 2.0mm
Construction Height Approx 2.5mm
Unit Weight 0.450 kg/m²
Point Loading Max. deformation less than 2mm, but dependant on flooring type and thickness
Impact Sound (ISO 717-2) 15dB to 19dB, dependant on flooring type and thickness
Cushioning Effect (DIN 18032-2) 20%
Floor Heating

Thermal Conductivity greater than 0.15 W/mK

More than 1°C Higher Surface Temperature than for film and foam.

Water Vapour Resistance 300m Equivalent Air Layer




  • Brush the floor clean

  • Remove any sharp protrusions

  • Fill all non-structural cracks above 1mm wide

  • All structural cracks should be repaired or treated

  • Any holes or indentation should be filled with a suitable filler

Application Method:

Platon Stop should be rolled along the longest dimension of the floor with the studs facing down.

Platon Stop should be sealed using Platinum Corner Tape (Overtape).

The edge of the roll is laid over the next roll width, and sealed with the tape laid over the overlapping edge, equally divided between overlapping edge and the underlying product face.

End of roll edges are placed edge to edge and sealed with Platinum Corner Tape (Overtape) before sealing the longitudinal joints.

The same tape may be used to protect the edge of floating wood flooring against the wall. Fix the tape along the edge of the Stop and turn up against the

After fitting Platon Stop around services and fixings, the cut edges and the fixing / membrane joint should be sealed using Platinum Corner Tape (Overtape).

Data Sheets

Technical Data Sheet (See Platon Stop 'Original', NOT 'Optimal')

Installation Instructions

Declaration of Performance (DoP)

NBS Plus Product Entry

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£155.00 ex. VAT | £186.00 inc. VAT

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