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The laying of the joints in the floor systemsThe expansion joints have the function of absorb thermal expansion or shrinkage of the concrete.

Their implementation is essential for the floors of environments that exceed 40mq surface or 8 m in length.

These are obtained by making a cut of the support layer until the insulation and filling it with plastic material (eg, polyurethane foam).

To avoid localized phenomena of cracking is recommended the realization of contraction joints in correspondence of jambs e thresholds of internal doors: in this case the cut is to be practiced at a depth not exceeding one third of the thickness of the screed paying attention to the placement of the heating tubes.

The section of an expansion jointIt 'important that these joints are made when the screed is still plastic and are sealed only after the start of the heating.

The joints can be crossed only by connecting tubes which, at the crossing must be protected with hoses insulating minimum length 0,3 m.

The project provided, must be complete with a diagram showing the position joints.

If you want to do the insights on heating in the floor, you can find valuable information at the following links:

 

 

Rossato Group Srl
Via del Murillo, km 3.500, 04013 Sermoneta LT - Italy
Share capital € 200.000,00 fully paid up - no. REA LT-107494
VAT-CF IT01745300598

Opening Hours
From Monday to Friday
Morning 8: 30 - 12: 30
Afternoon 13: 30 - 17: 30