Performance

Size Does Not Matter! It is the performances!

Thermal Resistances or, indicate that a given system or product will reduce heat gain, particularly radiant gain, while also provides resistance against conduction heat through the multi-layer polymer closed thermal air cell structure. The benefits achieved by Polynum products result in a reduction in heat gain (heat loss) and in the demand for mechanical cooling or heating.

  • Thin, light-weight yet great insulation power.
  • 8 to 18 microns pure foil is used to ensure high performances
  • Confirmed, certified thermal resistance = (R system = Rt)
  • Recognized and guarded hot box tested for Thermal performance R value= 3.72 m²K/W (Polynum™ Ultra) measured by the Geo sciences laboratory.
  • Low emissivity surfaces (e=0.03), reflecting 97% of radiation heat.
  • Thermo-cellular air bubbles (low K) to control and heat
  •  100% impermeable to air and water (act as vapor barrier as per ASTM C 1136)
  • High Resistance treatment to the aluminum surface, reducing possible corrosion over time.
  • Not affected by solvents, grease, roofing frame treatments (solvent or aqueous solutions)
  • 15 to 20% reduction in the hygrometry rate
  • Effective Noise reduction – . (Noise reduction varies per products and application)
  • Temperature stability from -40 °C to +88 °C
  • Long life: insulating power remains constant over time
  • No shrinkage or dimensional changes.
  • 7 to 15 year’s product warranty, but last for life!
What is an R-value?

R-value is a measure of thermal resistance used in the building and construction industry. The greater the number (R), the better the building insulation’s effectiveness. R value is the reciprocal of U-value.

 

What is the R-Value measurement units commonly used?

There are two commonly used units based on British Thermal units (BTUs) or, metric units given in Watts. As different values associated with different units, it is essential to verify which units are used for a given R-value. For Example:

R 1 based on m2xºC/W is equal to R 5.677 based on hrxft2xºF/Btu

What is a Total R-value, or system R-value (RT)?The Total R-value (RT) is the total resistance of a building element such as a roof, wall, floor or ceiling. It takes into account resistance provided by each given construction material, internal air spaces, and the air film adjacent to solid materials. This allows architects and consultants to assess the overall thermal resistance of the complete component (such as roofing system).
convection
A direct flow of heat through a material, resulting from direct physical contact. Heat transferred by conduction is governed by the fundamental equation described by Fourier’s Law: (rate of heat flow) = k x (Area) x (Temperature Gradient). Thermal conductivity: The ability of an object to move heat from one part of itself to another part. The higher the K value (thermal conductivity value), the faster the heat will transfer along the substance. Air has very low K (thermal conductivity). Vacuum’s thermal conductivity equals to zero (such as in outer space). Heat conduction can not take place in vacuum! Polynum™ products make smart use of air and low K materials to minimize thermal conductivity and providing protection against thermal bridges between building elements.
Hygrometry is the degree of humidity in the air. The more the insulating product is watertight, the less humidity there is in the ambient air. When hygrometry is superior to 45%, humidity begins to penetrate the absorbent products, specifically mineral and glass wools.

Most of the time, the hygrometry level in homes varies between 55% and 80%, resulting in excessive heating in winter. Having no ridges, Polynum™ products are completely waterproof. The result is a significant reduction in humidity level.

The Noise Reduction Coefficient (commonly abbreviated NRC) is a scalar representation of the amount of sound energy absorbed upon striking a particular surface. An NRC of 0 indicates perfect reflection; an NRC of 1 indicates perfect absorption.