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Foil Batts

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Product: Concertina Foil Batts

Application: Underfloor and Ceiling.

About the Product: Concertina Foil Batts offer a combination insulation system – dual Winter and Summer climates. They are simple to lay, they can be retrofitted and they produce great benefits.

Ceiling: The ceiling temperature can be reduced by approximately 5-10 degrees depending on the thickness of the existing insulation.  Concertina works by reducing the extreme radiant heat from roof, creating comfort in the rooms below and decreasing the energy running costs of the house. The batts can be laid differently to suit the needs of the building, pitched roof versus flat or cathedral roof.

Floor: Concertina can be installed to new and existing floors – overlapped and stapled to joists with minimum 50mm airspace. 97% of the radiant heat flow is reflected back to maintain warmer floor temperature during Winter. The batts have an unstable base so they do not encourage the nesting of rats and rodents. Retrofit for existing floors do not need perforation holes as breathing of timbers occurs through unsealed overlap.

WALLS
(HEIGHT)
FOIL BATTS (mm)
Pack Heights x Centres
No. per pack WEIGHT
(kg)
M2 COVERAGE per pack EXPANDED(includes timbers)
2400 1350 x 450* 25 3.00 15.20
2550-2700 1350 x 600 25 4.00 20.25
FLOORS 1350 x 450(P) 25 3.00 15.20
CEILINGS# 1350 x 425 30 3.50 17.20

* suitable for retrofit
(P) Perforated for Drainage
# 600 centres

R Value : The Total R-value calculations are in accordance with AS/NZS 4859.1:2002/Amdt1:2006, and are based on a temperature difference between indoor and outdoor air temperatures of 6 degrees for Winter and 12 degrees for Summer. The contribution of Concertina Foil Batts to Total R-Value depends on installation and environmental conditions. The R-Value is effected by outside materials, ie Brick Veneer, Weatherboard, Suspended Floor, Metal Roof, Tile Roof. R Values between 2.2 – 4.9.

General Installation AdviceThe batts can be laid differently to suit the needs of the building, pitched roof versus flat or cathedral roof. Concertina can be installed to new and existing floors – overlapped and stapled to joists with minimum 50mm airspace.

FOIL_BATT_FACTS_2_Insulation_Material_Thermal_Performance___March2007

FOIL BATT FACTS-3

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