Chemical name:

Formulated mixture of polyols and isocyanates


consumer products and packaging, spray insulations, polyurethanes, poliurethane systems

Markets and applications:

building & construction, thermal & acoustic spray systems


insulation, rigid foams, spray foams




PCC Prodex Sp. z o.o.


Crossin® Floor Foam is a two-component spray polyurethane system used for the production of closed-cell rigid foam with self-extinguishing properties. The system consists of the polyol part (component A) and the isocyanate part (component B). Each of the ingredients is a viscous liquid and has different parameters. Component A with a higher viscosity is dark, while component B with higher density is brown. Both components are free of solid suspension. In addition, the system is distinguished by a reduced emission of volatile organic compounds (VOC), as it does not contain foaming agents that significantly deplete the ozone layer - according to European Union regulations, Regulation (EC) No. 1005/2009 of 16.IX.2009.

As a result of the combination and thorough mixing of both components, rigid (hard) foam is obtained. The system should be processed only with professional high-pressure foaming units equipped with a foaming head. This product is a unique system designed for the production of high-quality thermal insulation applied in residential, commercial, as well as industrial and agricultural buildings. The system is characterized by increased compressive strength, which enables long and short-term structural load. At the same time, the foam obtained using the Crossin® Floor Foam system has increased flammability parameters (flammability class: E) and stable physico-mechanical parameters. Due to the appropriate thickness of the insulating layer (at least two uniform layers, which in total give a thickness of not less than 30 mm), the surface of the floor or foundations is jointless, which significantly improves the energy efficiency of the entire insulated surface.

Crossin® Floor Foam was introduced for sale on the basis of the Regulation on construction products CPR No. 305/2011 together with the assessment of performance carried out by the Building Research Institute (ITB) in accordance with the European harmonized standard PN-EN 14315-1. The product has the PZH hygienic certificate, as well as CE marking confirmed by the Declaration of Performance issued for this product.

The Crossin® Floor Foam system is used for the production of rigid (hard) foam, which at the same time is a spray thermal insulation applied directly to the insulated surface of the floor and foundations, regardless of the building material used. If the foam is exposed to direct UV radiation (sunlight), it should be protected, for example by painting it with at least two layers of protective paint (as recommended by the manufacturer).

Main application advantages of the product:

  •  Applicability directly onto the insulated surface made of most commercially available construction materials;
  • External thermal insulation with a wide application range (insulation of floors, foundations in residential, commercial, industrial and agricultural buildings, both modernized and newly erected);
  • Extremely durable and light insulation allows individual insulation thickness to be chosen without overloading the building structure;
  • Jointless insulation, without thermal bridges or air gaps responsible for heat losses;
  • The ability to isolate hard-to-reach places with full insulation tightness guarantee;
  • The speed of execution and versatile technique of applying insulation give the possibility of making insulation in one day – in case of flat surface of floors / foundations of up to 1000 m2 ;
  • Thermal insulation with high resistance to moisture and wind protects the insulated object against mould and fungi;

Mechanical properties of polyurethane foam made with the Crossin® Floor Foam system:

  •  Apparent density of the core: ≥ 50 kg/m3
  • Classification of the reaction to fire performance: E
  • Resistance to external fire: BROOF(t1)
  • Short-term water absorption by partial immersion, WP ≤ 0,11 kg/m2
  • Coefficient of thermal conductivity:
    • λmean, i : 0,022 W/(m·K)
    • λ90, 90 : 0,023 W/(m·K)
  • Declared value, λD for thickness:
    • dN < 40 mm: 0,029 W/(m·K)
    • 40 mm ≤ dN < 60 mm: 0,028 W/(m·K)
    • dN ≥ 60 mm: 0,027 W/(m·K)
  • High mechanical strength, compressive strength: ≥ 400 kPa
  • Coefficient of water vapor diffusion resistance: μ 80
  • Temperature stability:
    • 70°C, 90% RH, over 48 h: l ≤ 4%, w ≤ 4%, t ≤ 1%
    • -30°C, over 48 h: l ≤ 2%, w ≤ 2%, t ≤ 0,5%

In order for polyurethane insulation to retain all properties over time, it is important to clean the insulated surface before spraying. It is also worth protecting the room and the immediate surroundings from possible dirt.

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Properties and applications:

  • production of high quality rigid foam with increased density and strength;
  • production of polyurethane foam (PUR) with closed-cell structure and the fire class E;
  • production of effective thermal insulation using modern and practical spraying technology;
  • production of insulating material with stable parameters and excellent adhesion to all building surfaces;
  • durable insulation of floors and foundations of buildings without losses and excess in thickness;



crossing insulation thermal insulation rigid foam spray systems floors foundations flooring
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