A Guide to Multifoil Insulation (16 SuperFOIL Products And Their Uses)
SuperFOIL in the UK offer a range of multifoil insulation products to the construction, residential housing development, self builder and DIY and Home Extension markets respectively.
In our blog today we look at what insulation is and how it works and then examine the full range of 16 SuperFOIL multifoil products that are available and explain their uses in more detail.
What Is Insulation?
Insulation is commonly used in buildings to prevent heat loss (or gain) and to reduce energy usage and therefore save the user money. Without effective insulation, as much as 50% or more of your heat could disappear straight through the roof and walls of your house. And of course, when you leak heat - you also leak money!
How Does Insulation Work?
Basically, insulation works by resisting the flow of heat. Heat flow is how heat moves - and it always moves from warmer to colder areas. This movement is what causes your house to get colder in winter (when the heat leaks from the the building into the colder environment outside) and hotter in the summer (when heat moves from the warmer outside environment into the cooler building).
This all happens through one or more of three different heat transfer mechanisms - Conduction, Convection and Radiation. Thermal insulations have been designed to resist (or at least restrict) heat transfer, using these three mechanisms.
Convection Heat Transfer takes place through the movement of liquids or gases. Convection is one of the reasons why a house cools down quickly when it is windy - heat is blown away from your house more rapidly in a wind! One important way to help insulate against convection heat loss is to ensure that your house is well-sealed, but you must also conversely ensure that your house is ventilated for fresh and filtered air and this is where using an MVHR heat recovery ventilation system comes in as it changes the air from your "sealed house" whilst trying to save as much of the heat you have paid for as possible!
Conduction Heat Transfer occurs when the molecules in one part of any substance move faster as they heat up. Then they transfer their energy to other close-by molecules and so on down the line. Some molecules conduct heat well, like stone for example, and other molecules such as insulations are poor conductors hence their use for such.
Radiation Heat Transfer works without the need for direct contact or the air being blown around from the heat source. It does this through electromagnetic waves (infra red light) which are invisible to the human eye. This is the reason why things like black tarmac or asphalt get hot on a sunny day as they slowly absorb the heat from the sun. The best way to reduce this form of heat transfer is to use low emissivity services such as those found in multi-foil insulations.
Multi-foil helps reduce the heat transfer on all 3 fronts. By taking advantage of low-emissivity foil layers, radiation heat transfer is minimised. The foam layers then help protect against conduction heat transfer. SuperFOIL also provides a barrier to the movement of air and controls air leakage. This control of air leakage is essential to the further improvement of energy efficiency and for insulating against convection heat transfer.
SuperFOIL muilti-foil is lightweight and easy to handle, requiring no specialist equipment. With a life expectancy in excess of 50 years, you will be feeling the insulation benefits for a long time to come!
MULTIFOILS
SuperFOIL SF6 1.2M X 10.0M ROLL 12.0 M2
25mm thick multifoil. Thermal insulation for use in roofs, walls & floors.
Ideal for DIY Projects, Loft Conversions, Garden Buildings Garages, Sheds & Behind Radiators.
Keep warmer in winter and cooler in summer by reducing the effects of solar gain.
Lightweight & flexible.
Quick & easy installation with minimal waste.
Acts as a radiant barrier to reflect excessive heat gain during the summer months as well as insulating throughout the year. Installed as a continuous layer, eliminating the need to "cut and fit" between rafters & joists making installation significantly faster and simpler. Can significantly improve air tightness reducing uncomfortable draughts. Lightweight & flexible making it easy to transport - no more running up & down stairs to cut to size before taking it inside! Can be used on its own or in combination with any other form of insulation.
For technical details please refer to the PDF data sheet which we link to above.
Product normally requires a minimum air gap either side of the multi-foil to ensure that this product works in the way it was designed to.
Product requires installation in accordance with manufacturer details - If in doubt then please follow manufacturer instructions and advice.
SuperFOIL SF19+ 1.2M X 10.0M ROLL 12.0 M2
45mm thick multifoil. Thermal insulation for use in roofs, walls & floors.
SuperFOIL SF19+ is BBA Agrement certified for use in roofs and walls
SuperFOIL SF19+ has a BBA certified R Value of 2.53 in pitched or flat roofs and 2.97 in walls.
Utilises DuPont ultra efficient nano coating technology to improve performance
SuperFOIL SF19+ also acts as a radiant barrier to reflect excessive heat gain during the summer months as well as insulating throughout the year
"DUET" Installation - an over the rafter and under the rafter application consisting of two layers of SuperFOIL SF19+ with SF40 provides a U-Value of 0.16
"Combi" Installation - use SuperFOIL with any other insulation including mineral wool or foam board such as PIR to achieve the new regs
SuperFOIL SF19+ is ideal for use in walls and roof structures in new build and in renovation, refurbishment and extension projects.
SF19+'s technical specification means high performance from a small footprint.
Easy installation results in minimal waste. SuperFOIL is manufactured with 40% recycled materials and is recyclable at the end of its useful life.
SuperFOIL SF19+ Acts as a radiant barrier to reflect excessive heat gain during the summer months as well as insulating throughout the year. Installed as a continuous layer, eliminating the need to "cut and fit" between rafters & joists making installation significantly faster and simpler. Can significantly improve air tightness reducing uncomfortable draughts. Lightweight & flexible making it easy to transport - no more running up & down stairs to cut to size before taking it inside! Can be used on its own or in combination with any other form of insulation such as PIR or Insulated Plasterboard.
For technical details please refer to the PDF data sheet which we link to above.
Product normally requires a minimum of 25mm air gap either side of the multi-foil to ensure that this product works in the way it was designed to.
Product requires installation in accordance with manufacturer details - If in doubt then please follow manufacturer instructions and advice.
SuperFOIL SF40 1.5M X 10.0M ROLL 15.0 M2
65mm thick multifoil. Thermal insulation for use in roofs, walls & floors.
SuperFOIL SF40 has BBA Agrement & LABC Registered System approval
SuperFOIL SF40 has a BBA certified R Value of 3.47 in pitched or flat roofs and 3.91 in walls.
DuPont ultra efficient nano coating technology.
SuperFOIL SF40 also acts as a radiant barrier to reflect excessive heat gain during the summer months as well as insulating throughout the year
"DUET" Installation - an over the rafter and under the rafter application consisting of two layers of SuperFOIL SF40 provides a U-Value of 0.14
"Combi" Installation - use SuperFOIL with any other insulation including mineral wool or foam board such as PIR to achieve the new regs
SuperFOIL SF40 is ideal for use in walls and roof structures in new build and in renovation, refurbishment and extension projects.
SF40 technical specification means high performance from a small footprint.
Easy installation results in minimal waste. SuperFOIL is manufactured with 40% recycled materials and is recyclable at the end of its useful life.
SuperFOIL SF40 acts as a radiant barrier to reflect excessive heat gain during the summer months as well as insulating throughout the year. Installed as a continuous layer, eliminating the need to "cut and fit" between rafters & joists making installation significantly faster and simpler. Can significantly improve air tightness reducing uncomfortable draughts. Lightweight & flexible making it easy to transport - no more running up & down stairs to cut to size before taking it inside! Can be used on its own or in combination with any other form of insulation such as PIR or Insulated Plasterboard.
For technical details please refer to the PDF data sheet which we link to above.
Product normally requires a minimum of 25mm air gap either side of the multi-foil to ensure that this product works in the way it was designed to.
Product requires installation in accordance with manufacturer details - If in doubt then please follow manufacturer instructions and advice.
SuperFOIL SFUF 1.5M X 8.0M ROLL 12.0 M2
6mm thick multifoil. Thermal insulation for use in roofs, walls & floors.
Multifoil Insulation for solid & suspended floors
Quick & easy installation
Use to insulate new or existing floors
Reduces impact noise
Can be used in solid or timber floors as well as roofs and walls
ideal for use under screed and underfloor heating
Performance R = 0.8
SuperFOIL SFUF Thermal Insulation for under floors, walls & other any other areas of construction that require a slim high performance insulation. SFUF can be used under screeded and laminate floors as well as over and under suspended floors. SFUF will contribute to the air-tightness of your building, and provides a thermal break to reduce or eliminate cold bridging when turned up the walls. SFUF contains multiple reflective layers that reflect the radiant energy back into the room. You can use SFUF to meet or improve U-Values in both new build projects and renovation work. SFUF is ideal for insulating underfloor radiant heating pipe and has grid markings to assist with the laying of under floor heating pipes. SFUF is also an ideal product to lay as a thermal break to help eliminate cold bridging in areas difficult to insulate with traditional insulation.
For technical details please refer to the PDF data sheet which we link to above.
Product requires installation in accordance with manufacturer details - If in doubt then please follow manufacturer instructions and advice.
BREATHABLE MULTIFOILS
SuperFOIL SF19BB 1.5M X 10.0M ROLL 15.0 M2
40mm thick breathable thermal insulation for use in roofs & walls.
Reflective Breather Membrane & Insulation Combined
U-Value solutions as low as 0.10
Ideal for new build or retrofit
Watertight W1 & breathable
Roof R 2.22
Wall R 2.53
SuperFOIL SF19BB has a certified R value of 2.22 in pitched or flat roofs & 2.53 in walls. SF19BB is a breathable membrane and insulation layer in combined into one. SF19BB helps to prevent the formation of mould and damp by reducing the risk of condensation. W1 water-tightness makes SF19BB suitable for use in both roofs and walls. SuperFOIL SF19BB is ideal for use in walls and roof structures in new builds and renovations, for refurbishments and also extension projects. SF19BB's technical specification means high performance is possible from a small footprint. Easy installation results in minimal waste. SuperFOIL is manufactured with 40% recycled materials, and is fully recyclable at the end of its useful life.
SuperFOIL SF40BB 1.5M X 10.0M ROLL 15.0 M2
75mm thick breathable thermal insulation for use in roofs & walls.
Local Authority Building Control Registered
U-Value solutions as low as 0.10
Ideal for new build or retrofit
Roof R 3.67
Wall R 3.98
SuperFOIL SF40BB has a certified R value of 3.67 in roofs & 3.98 in walls. SF40BB is a breathable membrane and insulation layer in combined into one. SF40BB helps to prevent the formation of mould and damp by reducing the risk of condensation. W1 water-tightness makes SF40BB suitable for use in both roofs and walls. SuperFOIL SF40BB can be used on its own, inmultiple layers or with any other form of insulation to achieve any U-Value required. SuperFOIL SF40BB is ideal for use in walls and roof structures in new builds and renovations, for refurbishments and also extension projects. Easy fit with minimal wastage and SuperFOIL is manufactured with 40% recycled materials & is fully recyclable at the end of its useful life.
FIRE RESISTANT & NON COMBUSTIBLE MULTIFOILS
SuperFOIL SF19FR 1.5M X 10.0M ROLL 15.0 M2
40mm thick Fire Rated multi-layer foil insulation. Thermal insulation for use in roofs, walls & floors.
BS476-6 "Class O" Spread of Flame
BS476-7 "Class 1" Spread of Flame
Ideal for either new build or retrofit
Roof R = 2.27
Wall R = 2.73
Floor R = 4.37
SuperFOIL SF19FR (Fire Rated) is "Class O" and "Class 1" rated.
BBA tested and DIBT approved (German Agrement).
BBA certified R value of 2.27 in a flat or pitched roof & 2.37 in walls.
SuperFOIL SF19FR acts as a radiant barrier to reflect excessive heat gain during the summer months as well as insulating throughout the year. Installed as a continuous layer, eliminating the need to "cut and fit" between rafters & joists making installation significantly faster and simpler. Can significantly improve air tightness reducing uncomfortable draughts. Can be used on its own or in combination with any other form of insulation such as PIR or Insulated Plasterboard. Easy fit with minimal wastage and manufactured with 40% recycled materials.
For technical details please refer to the PDF data sheet which we link to above.
Product normally requires a minimum of 25mm air gap either side of the multi-foil to ensure that this product works in the way it was designed to.
Product requires installation in accordance with manufacturer details - If in doubt then please follow manufacturer instructions and advice.
SuperFOIL SF40FR 1.5M X 10.0M ROLL 15.0 M2
65mm thick Fire Rated multi-layer foil insulation. Thermal insulation for use in roofs, walls & floors.
BS476-6 "Class O" Spread of Flame
BS476-7 "Class 1" Spread of Flame
Ideal for either new build or retrofit
Roof R = 3.58
Wall R = 4.04
Floor R = 5.69
SuperFOIL SF40FR (Fire Rated) is "Class O" and "Class 1" rated.
BBA tested and DIBT approved (German Agrement).
BBA certified R value of 3.58 in a flat or pitched roof & 4.04 in walls.
SuperFOIL SF40FR acts as a radiant barrier to reflect excessive heat gain during the summer months as well as insulating throughout the year. Installed as a continuous layer, eliminating the need to "cut and fit" between rafters & joists making installation significantly faster and simpler. Can significantly improve air tightness reducing uncomfortable draughts. Can be used on its own or in combination with any other form of insulation such as PIR or Insulated Plasterboard. Easy fit with minimal wastage and manufactured with 40% recycled materials.
For technical details please refer to the PDF data sheet which we link to above.
Product normally requires a minimum of 25mm air gap either side of the multi-foil to ensure that this product works in the way it was designed to.
Product requires installation in accordance with manufacturer details - If in doubt then please follow manufacturer instructions and advice.
SuperFOIL SF60FR 1.5M X 8.0M ROLL 12.0 M2
100mm thick Fire Rated multi-layer foil insulation. Thermal insulation for use in roofs, walls & floors.
BS476-6 "Class O" Spread of Flame
BS476-7 "Class 1" Spread of Flame
Ideal for either new build or retrofit
Roof R = 4.42
Wall R = 4.88
Floor R = 6.53
SuperFOIL SF60FR (Fire Rated) is "Class O" and "Class 1" rated.
BBA tested and DIBT approved (German Agrement).
BBA certified R value of 4.42 in a flat or pitched roof & 4.88 in walls.
SuperFOIL SF60FR acts as a radiant barrier to reflect excessive heat gain during the summer months as well as insulating throughout the year. Installed as a continuous layer, eliminating the need to "cut and fit" between rafters & joists making installation significantly faster and simpler. Can significantly improve air tightness reducing uncomfortable draughts. Can be used on its own or in combination with any other form of insulation such as PIR or Insulated Plasterboard. Easy fit with minimal wastage and manufactured with 40% recycled materials.
For technical details please refer to the PDF data sheet which we link to above.
Product normally requires a minimum of 25mm air gap either side of the multi-foil to ensure that this product works in the way it was designed to.
Product requires installation in accordance with manufacturer details - If in doubt then please follow manufacturer instructions and advice.
SuperFOIL SFNC 1.2M X 8.35M ROLL 10.0 M2
20mm thick non-combustible multi-layer foil insulation.
Thermal insulation for under floors, walls & other areas of construction.
Euro Class A1 Fire Rating "Non Combustible"
U Value solutions as low as 0.10
Ideal for specialist projects, new build and retrofit
Radiant barrier
Pitched Roof R = 1.54
Wall R = 1.99
SuperFOIL SFNC is non combustible - it will not ignite or burn.
SuperFOIL SFNC achieves an R Value of 1.54 in pitched or flat roofs and 1.99 in walls (values include air gaps).
"DUET" Installation - an over the rafter and under the rafter in a "Duet" format to achieve an even higher performance
"Combi" Installation - use SuperFOIL with any other insulation including mineral wool or foam board such as PIR to achieve the required insulation U-Value.
SuperFOIL SFNC is ideal for use in specialist projects that require walls and roof structures to meet specific fire rating requirements.
SFNC's technical specification means high performance from a small footprint.
SuperFOIL SFNC also acts as a radiant barrier to reflect excessive heat gain during the summer months as well as insulating throughout the year
Easy installation results in minimal waste. SuperFOIL is manufactured with 40% recycled materials and is recyclable at the end of its useful life.
For technical details please refer to the PDF data sheet which we link to above.
Product normally requires a minimum of 25mm air gap either side of the multi-foil to ensure that this product works in the way it was designed to.
Product requires installation in accordance with manufacturer details - If in doubt then please follow manufacturer instructions and advice.
REFLECTIVE MEMBRANES
SuperFOIL SFTV 1.5M X 25.0M ROLL 37.5 M2 OR 1.5M X 50.0M ROLL 75.0 M2
1mm thick general purpose thermal, vapour & air tightness barrier
SFTV resists the passage of moisture through walls, ceilings & floors.
Metalised Polymer Facing Both Sides
Water & vapour proof
Quick & easy installation
Radiant barrier
Air tight
Helps to prevent mould & damp
Performance up to R = 2.8
SuperFOIL SFTV is waterproof and resists the passage of moisture through walls, floors and ceilings. Installing SuperFOIL SFTV improves the air tightness of the building. SFTV is a radiant barrier which can be used to enhance your thermal performance U-Values in both new build and renovation projects. SuperFOIL SFTV is vapour proof and restricts the passage of warm moist air from within the building from permeating into the structure or the roof. SFTV is suitable for roof and wall applications, SFTV helps to prevent mould and damp. SFTV also reduces both convective and radiant heat loss.
For technical details please refer to the PDF data sheet which we link to above.
Product requires installation in accordance with manufacturer details - If in doubt then please follow manufacturer instructions and advice.
SuperFOIL SFTV1L 1.2M X 20.0M ROLL 24.0 M2
1mm thick general purpose thermal, vapour & air tightness barrier
SFTV resists the passage of moisture through walls, ceilings & floors.
Pure Aluminium Facing Both Sides
Water & vapour proof
Quick & easy installation
Radiant barrier
Air tight
Helps to prevent mould & damp
Performance up to R = 1.4
SuperFOIL SFTV is 100% waterproof and resists the passage of moisture through walls, floors and ceilings. Installing SuperFOIL SFTV1L improves the air tightness of the building. SFTV1L is a radiant barrier which can be used to enhance thermal performance U-Values in both new build and renovation projects. SuperFOIL SFTV1L is vapour proof and restricts the passage of warm moist air from within the building from permeating into the structure or the roof. SFTV1L is suitable for roof and wall applications, and helps to prevent mould and damp. SFTV1L also reduces both convective and radiant heat loss.
For technical details please refer to the PDF data sheet which we link to above.
Product requires installation in accordance with manufacturer details - If in doubt then please follow manufacturer instructions and advice.
SuperFOIL SFBB Breathable Membrane 1.5M X 25.0M ROLL
>1mm thick reflective breather membrane for use in roofs and walls
Watertight W1 & breathable
Reduces the risk of condensation
Ideal for new build or retrofit
Improves thermal performance
Radiant barrier
SuperFOIL SFBB is a watertight (W1 - EN 1928:2000) breather membrane for use in roofs and walls. SFBB is vapour permeable and allows the passage of warm, moist air to reduce condensation. Installing SFBB improves the airtightness of the building. SFBB is a radiant barrier - it can be used to enhance thermal performance U-Values in both new build and renovation projects. SFBB has a reflective thermal advantage over standard breather membranes, and is easy to handle and install. SFBB can be used to help meet the requirements of Building Regulations Approved Document Part L and Scottish Building Standards Part J.
For technical details please refer to the PDF data sheet which we link to above.
Product requires installation in accordance with manufacturer details - If in doubt then please follow manufacturer instructions and advice.
SuperFOIL SFBA MP Bubble Foil Insulation
1.5M X 25.0M ROLL 37.5 M2 or 1.5M X 50.0M ROLL 75.0 M2 or 0.75M X 50.0M ROLL 75.0 M2
3mm thick double foil, single bubble thermal insulation for use in roofs, walls and floors
Water resistant and vapour resistant
Quick and easy installation
Ideal for new build or retrofit
Roof R = 0.97
Wall R = 1.33
Floor R = 2.23
SuperFOIL SFBA MP is waterproof and resists the passage of moisture through walls, floors and ceilings. SFBA MP is part of the SuperFOIL range, designed to maximize insulation performance with a quick and easy installation. SFBA MP is a multi layer air bubble insulation with external layers of aluminium metalized PET - this provides corrosion resistance for increased lifespan. SFBA MP is a leading bubble-foil insulation. It can be used for insulating under floors, in walls, in dry lining such as for cellars and can also be used in greenhouses and other industrial applications. SFBA MP is a high performance insulation which utilizes low emissivity air gaps to maximize the thermal performance. SFBA MP reflects heat, just like a mirror reflects light. It is an ideal radiant barrier for supplementing existing insulation to keep your house warmer in winter and cooler in summer.
For technical details please refer to the PDF data sheet which we link to above.
Product requires installation in accordance with manufacturer details - If in doubt then please follow manufacturer instructions and advice.
SuperFOIL SFBA 2/2 Bubble Foil Insulation
1.2M X 25.0M ROLL 30.0 M2 Roll
6mm thick double foil, double bubble thermal insulation for use in roofs, walls and floors
Water and vapour resistant
Pure aluminium facing
Ideal for new build or retrofit
Roof R = 1.04
Wall R = 1.47
Floor R = 2.79
SuperFOIL SFBA 2/2 is waterproof and resists the passage of moisture through walls, floors and ceilings. SFBA 2/2 is part of the SuperFOIL range, designed to maximize insulation performance with a quick and easy installation. SFBA 2/2 is a multi layer air bubble insulation with external layers of pure aluminium foil - this provides corrosion resistance for increased lifespan. SFBA 2/2 is a leading bubble-foil insulation. It can be used for insulating under floors, in walls, in dry lining such as for cellars and can also be used in greenhouses and other industrial applications. SFBA 2/2 is a high performance insulation which utilizes low emissivity air gaps to maximize the thermal performance. SFBA 2/2 reflects heat, just like a mirror reflects light. It is an ideal radiant barrier for supplementing existing insulation to keep your house warmer in winter and cooler in summer.
For technical details please refer to the PDF data sheet which we link to above.
Product requires installation in accordance with manufacturer details - If in doubt then please follow manufacturer instructions and advice.
SuperFOIL SFBA BB Insulating Breather Membrane
1.35M X 25.0M ROLL 33.75 M2 Roll or 1.35M X 50.0M ROLL 67.5 M2 Roll
4mm thick reflective insulating breather membrane for use in roofs, walls and floors
Complies with Building Regulations
Reflective surface improves the thermal performance of the wall
Fully waterproof
Out-performs traditional breather membranes
Thermal Resistance = 0.833 W/m2K
SFBA BB is a breathable membrane and insulation layer in one. SFBA BB helps to prevent the formulation of mould and damp by reducing the risk of condensation. SFBA BB's water-tightness makes it suitable suitable for use in both roofs and walls. SFBA BB insulates during winter and acts as a radiant barrier (reducing solar gain) in the summer. SFBA BB is ideal for use in walls and roof structures in new build and in renovation, refurbishment / extension projects. SFBA BB's technical specification means high performance from a small footprint. Easy installation results in minimal waste. SuperFOIL is manufactured with 40% recycled materials and is recycle at the end of its useful life.
For technical details please refer to the PDF data sheet which we link to above.
Product requires installation in accordance with manufacturer details - If in doubt then please follow manufacturer instructions and advice.
SUMMARY
The Right Insulation For You?
Not only does the location of the insulation make a difference to the types of insulation you might choose, but the type of job should also be factored into your decision:
Are You Installing It Yourself?
You will possibly want to choose a type of insulation that is easy to handle, easy to install, does not make a lot of mess and does not require special protective clothing or equipment.
How Old Is Your Home?
The age of your house can affect how thick the walls are, and how well insulating they already are (cavity walls are normally more insulating than solid walls for example when of equal thickness). This may then require you to consider the amount of space your insulation could take up and where you will want to (or be able to) install it.
How Long Would You Like The Insulation To Last?
Choose one with a lifespan that suits your needs and / or budget. Some insulations last 50+ years, others can start to deteriorate over time.
Where Is The Insulation Going?
Keep in mind how much space you have to work with. If you have 75mm rafters for example then you would not be able to install 300mm of loft roll or PIR insulation between them, and you may also need to allow for a "ventilation void" of space within the thickness available too.
For more advice on any of these options,
please call and talk to the team a the BMD National Sales Office on 01793-791010
or email us on insulation@buildingmaterialsdirect.com
Alternatively visit our online store at www.directinsulation.com at any time 24 hours a day and purchase online.
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