multifunctional underlay with ventilation feature for floating floors


ProVent is suitable for most applications with floating floors including:
- on the concrete subfloors (ProVent was created especially for the use on concrete subfloor)
- on the ceramic tiles
- on the wooden subfloors
- over the heated floors

ProVent may be used under laminated and laminate floors as well as veneered and all engineered hardwood and coniferous floating floors. According to the experience of our distributors their customers apply ProVent under the flooring of thickness range from 6mm to 16mm.

ProVent is not suggested for use with the flooring which requires underlay with maximum of 2mm thickness.

ProVent underlay reduces dramatically the time of flooring installation. ProVent comes with a laminated vapour barrier as a part of the product. You can lay the underlay at one go unlike with the conventional underlays that require the additional installation of the vapour barrier.

Installation guidelines

IMPORTANT NOTE: ProVent is to be laid with the vapour barrier up and the profiled side down. The profiled side of ProVent should face the surface of concrete subfloor in order to enable the ventilation system. There is a reminder THIS SIDE UP printed on HDPE film. No LDPE or any other vapour barrier may be used under ProVent because it would close the air channels and stop the ventilation process.

1. Clean properly the subfloor surface, following the instructions of the producer of parquet or laminate. ProVent provides a compensation of the micro-roughness in the floor base (maximum 2mm within a distance of 2m).

2. Lay ProVent with the air channels to the direction of the laying of flooring panels. For better ventilation lay ProVent with air channels perpendicular to the longest size of the room.

3. Lay the first row of ProVent with the printed side up, the wavy side down and the HDPE overlap towards the wall. Leave about 1cm space to the wall. Cut off or turn up the HDPE overlap of the first row of ProVent.

4. With the overlap of the next row of ProVent cover the edge of previous row and spread it even. Make sure that there are no sharp objects on the surface of ProVent underlay to avoid damaging the HDPE film.

5. Lay parquet or laminate according to the instructions of the producer of the respective product. We recommend to spread out only one row of ProVent at the time, then install the flooring and, after finishing the first section of floor, continue with the next ProVent row.

6. Optional: create an air gap. The common practice of floor laying creates enough space for air exchange under ProVent. However you may wish to create even better conditions for the ventilation. It is enough to leave just a 2-3mm gap between the surface of parquet or laminate and the floor lath for better air exchange. There are two main ways to create the air gap (see in the drawing). You can leave the gap either between the flooring and the floor lath (option A) or between the floor lath and the wall (option B). See the drawing here