TIMBER FRAME
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System Approval Thermal Conductivity Extensive Range High Performance PIR Wall Insulation Board Timber Framed Walls High Thermal Performance Certified Thermal Conductivity Foil Facings Dual Material System Approval BRE Green Guide A+ Rated More than insulation

XT/ TF Insulation for Timber Framed Walls Xtratherm’s Timber Frame Insulation Systems brings Timber Framed wall insulation performance to new levels, surpassing regulations default values and towards those standards indicated for Zero Carbon Fabric and Passive House Standards. Building Timber Frame construction is a fast, systematic method that can result in buildings that perform well in Environmental terms and provide excellent Energy Performance ratings, if insulated to the highest standards. Property & Units Density (Foam Core) 30 (Kg/m3) Compressive Strength >140 (kPa) Water Vapour...

More than insulation Timber Framing & Lower U-Values Placing insulation between the timber framing studding has proven effective until recent changes to building regulations have asked for U-values better than 0.27 W/m2K. Improving the wall performance past this figure has proven difficult because of the amount of timber that bridges the insulation. The timber studs, wall and foot plates, and noggins that cut through the insulation when it is placed between the studs, must be taken at a default of 15% of the total wall area, but can be higher in certain circumstances. Layers Thickness (mm)...

XT/ TF Insulation for Timber Framed Walls Fibre between studs with Xtratherm Sheathing Using a fibrous glass or stonewool type of material between studs is the most common method of insulating Timber Framed constructions. Although not as efficient in insulation values, the flexibility of the materials allows the insulation to be squeezed between studs with irregular spacings. Placing a lining of Xtratherm XT/SB Sheathing Boards into the traditional cavity of the construction, and effectively insulating the thermal bridging caused by the timber studding, drastically improves the insulation...

Fibre between studs with Xtratherm Sheathing As with system 1, using a fibrous glass or stonewool type of material between studs allows the insulation to be squeezed between studs with irregular spacings. An alternative to applying a Sheathing Insulation into the cavity to improve the thermal bridging factor of the timber, is to place a lining of Xtratherm XT/TF over the studding to the inside face of the construction, thus improving the insulation value of the wall. An insulated service duct can be created by placing counterbattens between the Xtratherm and plasterboard finish allowing...

XT/ TF Insulation for Timber Framed Walls Fibre between studs with Xtratherm Lining As with systems 1 & 2, using a fibrous glass or stonewool type of material between studs allows the insulation to be squeezed between studs with irregular spacings. An alternative insulation lining system to improve the thermal bridging factor of the timber, is to place a lining of Xtratherm over the studding to the inside face of the construction. Installation Fibrous insulation should be cut to fit snugly between the timber studding. The full depth of the stud should be filled with insulation. Place a...

Xtratherm between studs only The traditional method of insulating Timber Framed walls is to provide insulation between the studs only. Typically 80mm of Xtratherm XT/TF will achieve a U-value of 0.27W/m2K. Installation Xtratherm XT/TF boards should be cut to fit tightly between the timber studding. The Xtratherm should be positioned against the sheathing board. The boards should be held in place by nails or a timber batten to the warm side of the insulation. This void may be utilised as an insulated service duct. Place a sealed vapour control layer with lapped and sealed joints over the...

Xtratherm Technical Services All the members of our technical team are individually BBA accredited to help you reach your low energy goals. BBA qualified in U-value calculation, condensation risk and also Thermal Bridging 3D analysis backed by BRE accreditation – when you call Xtratherm, you can be assured you’re speaking to a qualified person. Walls: Insulation for Partial Fill Cavity Wall Walls: Full Fill Built-in Insulation for Traditional Build Walls: Insulation with enhanced performance for Partial Fill Cavity Walls Floors: Insulation for Ground Supported and Suspended Floors Walls:...