BE899547A - Floor insulation on concrete base - has expanded clay granulate covered by sprayed on polyurethane instead of screed and insulation plates - Google Patents

Abstract

The insulating floor structure comprises load bearing members with a layer of concrete poured thereon and filling the spaces between the members. Instead of a conventional levelling screed layer and insulation plates, a 1.5-2 cm thick layer of medium-size expanded clay granules and any tubing (e.g. for floor heating) is laid and supplemented to e.g. 10 cm thickness by spray application of (two-component) hard polyurethane foam in successive layers. After setting and grinding, the final screed and flooring (e.g. tiles 4) can be laid.

Description

       

   <Desc / Clms Page number 1>
 



    APPLICANT: P. V. B. A. W. BLOCKEN-SCHILS
GROENSTRAAT 64 B 3730 HOESELT CLIENT: WILFRIED BLOCKEN INVENTION PATTERN TITLE: "POLYURETHANE-HARD FOAM-SPRAYED FLOOR INSULATION"
COMPLETE DESCRIPTION OF THE INVENTION With polyurethane rigid foam A = 0.026 W / m2K, a floor insulation is carried out in one whole as follows: On the bare filler concrete, above the vaults, a direct insulation is applied. It is not necessary to carry out a leveling step (saving time and costs).



  First, a minimal layer of loose expanded medium-sized clay granules is scattered at a thickness of about 1.5 to 2 cm. This layer is necessary to absorb on the thermal bridge, so that an immediate and sufficient reaction of the sprayed polyurethane rigid foam can take place.



  Due to this design, an extra thickness of insulation is gained of approx. 4 cm, which will significantly decrease the K value.



  The space between the pipes on the floor is therefore completely filled with high-quality insulation material i. p. v. an estrich floor, which produces more moisture and no insulation in the construction.



  With a total mutual adhesion, several layers of polyurethane rigid foam are sprayed to the required or desired thickness.



  The floor insulation is completely seam-free and jointless, without cold bridges, in a compact for each living space (provided)
 EMI1.1
 homogeneous mass performed. a
 EMI1.2
 This also results in a perfect amans on the walls without waste or surpluses.

 <Desc / Clms Page number 2>

 A few hours after the foaming, the heads of the hard foam sprayed are broken with a special sander and all irregularities are sanded away, so that a practically flat and level surface is obtained.



  The two-component polyurethane rigid foam is sprayed with a specially designed spraying machine.



  It is fully passable, vapor-permeable (breathable) and with optimum efficiency.



  In summary, this means: The difference in implementation with a traditional floor insulation in the form of insulating plates, which are placed crosswise on a subfloor in two layers, is first of all, saving a much faster implementation cost, then; less moisture in the home - leveling is unnecessary; no waste at corners - so no surpluses; lower E-value leveling is replaced by high-quality polyurethane insulation; no seams and joints over-cold bridges expired; perfect connection to the side walls.

 <Desc / Clms Page number 3>

 LEGEND TO DRAWING Drawing 1
 EMI3.1
 4 cm:

   insulation material 1. 2. external walls 3. roofing 4. tiles
 EMI3.2
 chappe 5. 6. 2 x 3 cm insulation boards - placed crosswise 7. leveling chappe 8. filler concrete on hollow core slabs (compression layer)
 EMI3.3
 hollow pipes on the subfloor.



  Drawing 2 4 cm: external wall insulation material 9. 3. roofing 4. tiles
 EMI3.4
 scape 5. 6. 10 cm sprayed polyurethane rigid foam 7 '. 1.5 to 2 cm of expanded clay granules 8. filler concrete on slabs (compression layer) 9. hollow slabs 10. pipes on the subfloor.



   N. B. All figures given on the right side of the drawing are size indications expressed in centimeters.