Roof insulation helps to reduce energy consumption by preventing heat loss during winter and heat gains during summer.
Roof foil batts.
Installing foil backed blanket insulation is also a great idea if you are building a flat roof or cathedral ceiling.
The r value is a measure of a material s resistance to heat flow known as thermal resistance.
Coupled with good roof space ventilation there can be a significant reduction in heat.
It s recommended that you install foil backed insulation in your roof to an r value of r1 0 or higher.
The idea is that this thin material can act as a type of insulation in tight spaces where you cannot put thick fiberglass insulation.
Radiantguard radiant barrier foil insulation installed in an attics can reduce attic temperatures by up to 30 degrees when stapled with a staple gun to the underside of roof rafters by reflecting up to 97 of the radiant heat that strikes its surface thereby reducing heat transfer from the attic to living spaces resulting in lower utility bills.
Dust on upper foil surface is of little importance downward air spaces constantly emit re radiate only 3.
The foil insulation will typically reflect heat coming into the roof space as well as prevent condensation forming on the sheet roofing.
Foil insulation is insulation that has a thin layer of reflective foil on one or both sides and is designed to reflect heat.
In new homes we recommend installing a combination of foil faced roofing blanket and roof batts.
Keeping homes cooler in summer and warmer in winter.
Found in major outlets such as in home depot s insulation aisle reflectix comes in tightly spooled rolls of 25 by 2 feet of shiny reflective foil look bubble wrap texture insulation in plastic bags.
Foil insulation can take any one of a number forms.
Ceilings pitched roofs.
Reduces heat load on airconditioning ductwork insulation.
Most commonly it s supplied as sheets used for sarking laminated onto plasterboard or expanded polystyrene xps or supplied as a backing on concertina style batts or multi celled i e.
Foil insulation is also known as reflective insulation or referred to as a house s radiant barrier or reflective barrier.
If you live in an existing home then consider installing another layer of roof insulation on top of the existing batts.