Suppliers of Pre Insulated Panel Products

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Company Profile
YiTac (S) Pte Ltd was incorporated in 2006 with
our core business in supplying building products,
Pre Insulated Panel Suppliers and providing
engineering services to the building and
construction industry.
We are currently expanding our stable of
products and services whereby our dynamic sales
and engineering team are ready to take on.
www.yitac.com.sg
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Polyisocyanurate Foam Insulation Application and
Benefits
Polyisocyanurate foam insulation also commonly
known as polyiso is a kind of thermoplastic
essentially produced as a foam and is put to use
as rigid thermal insulation. It is used in all
types of commercial building applications for
roof insulation, wall insulation and sheathing
purposes. Recently, it has been increasingly
employed in residential building projects.
Polyiso is commonly used with a foil facing and
contains an r value of 7 to 8 percent thickness.
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Our Service

• Polyisocyanurate Foam
• Polyisocyanurate Foam Sheets 
• Polyisocyanurate Foam Insulation
• Polyisocyanurate Rigid Board 
• Pre Insulated Roof Panel System 

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Polyisocyanurate Foam Insulation
The reflective foil facing renders an excellent
insulation material when radiant heat is given
out. It also makes it easier to seal it with fine
quality tapes.
There are two other types of foam insulation
sheets available in the market apart from
polyisocyanurate foam insulation. Lets see how
each differs from the other and which is
preferred the most in particular type of
insulations.
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Expanded Polystyrene Foam
It is the cheapest of the lot and least used foam
product on the market. Its r value ranges from
3.6 to 4 per inch in thickness. It is mostly used
for insulated concrete forms, and sometimes used
on commercial buildings for wall and roof panel
insulation that is squeezed between light gauge
metal.
Extruded Polystyrene foam
Commonly known as pink board or blue board is
available in variety of thickness and edge
profiles. With a r value of 4.5 to 5 inch of
thickness, this kind of insulation board is most
widely used in residential constructions.
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Polyisocyanurate Foam Sheet
It is the most expensive of the lot. These are
closed celled foam sheets and contain low
conductivity gases in their cells (either HCFC or
CFC gases). The reason behind the higher r value
of such sheets is due to the thermal resistance
of gases in the cells.
This could, in turn, meet some disadvantages such
as off gassing of CFC or HCFC gases, and gradual
decrease of r value over time as the gases
escape.
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Applications In Various Constructions
In case of roof insulation, polyiso is the only
high thermal foam to meet UL 1256 and FM 4450.
They are also widely used in walls as their foil
faced insulation has the highest r value per inch
and u value (unit of measurement of heat
transmission through a given thickness such as a
wall or a window) of the cavity walls can be
achieved with minimum thickness. This lessens the
overall footprint of the building as well as
lowers construction costs.
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Benefits Of Polyiso Sheathing
If properly specified and installed, polyiso
sheathing offers the best value for money for
residential construction.

• A residential wall system that has high r value
  increases energy efficiency at home and
  considerably minimizes heat loss.
• Reduces air infiltration and exfiltration thus
  reducing heat loss.
• Reduces the risk of water condensation that
  increases thermal and structural performance of
  the wall.
• Hence, by applying polyiso foam sheets, you are
  rest assured that you have built your home with
  state of the art energy efficient techniques.

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Contact Us
YiTac (S) Pte Ltd 2 Woodlands Sector 1 03-04
Woodlands Spectrum 1 Singapore 738068 Tel (65)
6257-1191 Fax [phone] E-mail
sales_at_yitac.com.sg
www.yitac.com.sg