Insulation Xpander System Elements
FT: Facade pocket used to align
uneven walls (See Figures 3)
UE: Universal Expander can be used to align walls in combination with the FT
pocket. It can also be applied externally
to existing rafters (see figures 1,3)
SE: Rafter Expander SE can be applied
on the inside of rafters, in attics to
increase joist depths or on solid floors
in conjunction with the DP Insulation
strip (see figures 2,4 &5)
DP insulation strip: Used in attics or
on top of solid ground floors.
Thermally broken strip into which the
SE expander is inserted (see figures 4
OUR BUILDING SOLUTIONS FOR MORE INSULATION
Create extra insulation space with this adaptable expansion system for roofs, walls and floors
Insulation Xpander is an innovative product which provides greater flexibility in the thermal refurbishment of existing buildings. The system can also be utilised in new buildings. Insulation Xpander has been developed,patented and engineered in Germany, its creates additionalinsulation space for roofs, walls and floors in an effective, economical and safe manner. The system can be applied either internally or externally.
The principle of the system is to simply install an engineered beam onto the existing construction or to combine this beam with a specifically designed pocket, which in turn, increases the volume of insulation which can be installed. Any element of the building fabric can be insulated over a broad range of depths.
Insulation Xpander is lightweight and easy to handle on site, whether on walls or in confined attic spaces. A major limitation of retrofitting existing buildings can be the additional costs incurred to level up uneven walls or roofs prior to insulating.
Insulation Xpander allows installers to rapidly level off walls or roofs safely and cost effectively
Thermal refurbishment of attics and walls
A major limitation in the thermal refurbishment of existing buildings is the limited depth of existing rafters or joists. This often leads to the requirement to either replace existing timbers which may still be in good condition or the requirement for additional solid timber which adds significant weight to the roof. The Insulation Xpander system allows contractors to more efficiently align rafters or joists and at the same time significantly increase insulation thicknesses in a safe and cost effective manner. As the system is very lightweight it does not add significant weight to the roof structure.
The system also provides an efficient solution for the thermal refurbishment of attic spaces. In order to meet the latest requirements of the building regulations or to meet Passivhaus levels of energy performance more the 300mm of fibre insulation is often required. Homeowners often use attic spaces for storage which can lead to the compression of insulation which in turn, significantly reduces thermal performance. Applying high levels of insulation in attics also increases the difficulty of moving within the attic space.
Attic spaces can be safely and effectively insulated with the SE Expander fixed directly to the joist or with a combination of the SE Expander combined with the DP Fibre insulation strip as shown on Figure 6.
Figure 1: Insulation Xpander Universal Expander (UE) aligns and increases rafter depth to accommodate
more insulation from the outside of buildings
Figure 2: Insulation Xpander Rafter Expander (SE) aligns and increases rafter depth to accommodate more insulation from the inside of existing buildings
Figure 3: A combination of the SMART SIX Universal Expander (UE) and the FT wall
pocket allows uneven external walls to be more effectively levelled and insulated
Figure 4: Increasing insulation depths on concrete ground floors are simplified with the thermally
broken DP fibre insulation strips in combination with the SE expander
reducing repeating thermal bridges. This
leads to a 15% improvement on U values
compared to conventional solid timber
studs or rafters
expander has been 3rd party tested and
approved in Germany
developed in Germany
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