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CONDITIONING OF THE MATERIAL
As BipanFlor is a wood-fibre floor, it’s sensitive to variations in humidity and temperature; for this reason, in order to avoid abrupt dimensional changes after laying, it’s necessary the acclimatization of packed material, conditioning it in the laying environment for 48 hours at the temperature of about 18° C (64.4° F) and 60% relative humidity (A.R.H.) .
CAUTION:
We absolutely advise you against the warehousing of material in open rooms that haven’t got any door and window frames. You mustn’t stock the material for long time in building yards where there are cements and plasters still in drying stage. We recommend you the laying of
BipanFlor floor only after the completion of all the most important finishing works, such as distempering, electric installations, door and window frames, structural furnishing, etc. During acclimatization the floor packages must lay flat and in horizontal position. If possible, after you have cut the fastening metal straps, leave the packages whole on the wooden pallet. During transportation, it’s important to shield the packages from wind and bad weather. Never use means of transport that are not provided with suitable protections (open trucks).
CHECK OF MATERIAL
Before laying, examine the material in the daylight accurately, in order to find any visible damage or defect and check its colour and structure. Carry out the dry assembly of some boards in order to verify the product suitability.
CAUTION:
DO NOT LAY any material that isn’t up to the specifications. You cannot put in any claim for pieces that have been already laid. The pre-existing fabric or flexible flooring must be removed without leaving any residual piece.
PREPARATION OF THE FLOOR FOUNDATION
If not otherwise specified, make reference to DIN 18356 (wood flooring) and DIN 18365 (floor covering) standard. The preliminary steps must comply with the related regulations and, in order to ensure a workmanlike laying, it’s necessary to point out accurately all factors that can be useful to avoid possible problems for the laid floor, paying the greatest attention to composition and insulation of the floor foundation. The floor foundation must be dry and well levelled in order to avoid possible crackings after the laying of the planks. The maximum allowable difference in height tolerance is 2 mm. out of 2.
CAUTION:
If the floor is laid on an uneven foundation, the product may incur in crackings and creakings, increasing the "re-sound" effect of footsteps.
POLYETHYLENE SHEET
You must use "basin"-laid polyethylene sheets in any room where you suspect possible humidity infiltrations coming from the floor foundation or where humidity is higher than recommended values. This sheet must have 0.2 mm thickness and density of about 920 kg/m³; it’s always recommended in rooms that are above basements, garages, ground floors and on moquette foundations; it furthermore must be laid making attention to detach the connections about 10 cm and then seal them using adhesive tape. When you cover the ceramic or stone floors, it’s always recommended the use of steam barrier. Linoleum and vinyl foundations, if they are in good conditions, are damp-proof enough and for this reason they don’t need the steam barrier.
CAUTION:
The steam barrier doesn’t remove the humidity coming from the foundation, but avoid the ascent of residual or outer humidity.
INSULATING SHEAT
The floating laying always needs the use of a foam polyethylene guide with thickness of about 2 mm, in order to adjust foundation to small differences in height and minimize the noise effect of footsteps. We always recommend the use of
BipanFlor products as they conform with used material
CAUTION:
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The rough side of the sheath must be turned towards the floor, while the smooth side must be in contact with the foundation. We recommend to spread one strip at a time and lay the floor until the strip has been almost totally covered; then continue with another strip and repeat the procedure until the floor has been completely laid. In this way you don’t damage the sheath treading it.
Avoid to lay the insulating sheath on moquette floors. The polyethylene foam sheath must not be used on heated foundations, in order to ensure an increased efficiency of the heating system. Before laying, make sure that the under-floor heating has been carried out in compliance with DIN EN 1264 and DIN 4725 standards, and that the floor has been sufficiently heated for the laying. In case of large surfaces, or where the presence of humidity is suspected, you always must use the polyethylene steam barrier.
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