NEW BF Data Sheet means Thermobar can be substituted into any WER?!

Thermobar Warm Edge Spacer, manufactured by Thermoseal Group, is officially at the top of the list of the most thermally efficient spacer systems as per figures published on the new Bundesverband Flachglas (BF) Data Sheet – 0.14W/mK.

This value and the calculated Psi Values detailed in this latest data sheet means that according to the 2-box model, you can substitute Thermobar Warm Edge Spacer into any current Window Energy Rating (WER) Simulation… Including all rigid tubes and foam spacer systems! Thermoseal Group proposes that substitution of spacer systems should take place when sightlines (including spacer height and accepted simulation measurement for sealant depth) are the same measurement or smaller AND the total box value (including thermal value of spacer and sealant) is equal or better. This will ensure that substitution can only positively affect the overall WER value. Thermoseal Group’s Sales Director Mark Hickox, comments: “WER calculations are derived from figures based on the 2-box model figures detailed on BF Data Sheet – including the spacer and the sealant. This makes sense as it gives an overall value for the whole sightline of the unit. “We are manufacturers of both rigid and foam spacer systems so have no bias as to which option customers choose. However, if you look at the information as detailed on the table on this link http://thermosealgroup-orderconfirmation.co.uk//106 Table.jpg you can see the figures associated with Thermobar and those of a current foam spacer system. Note that foam systems require a larger simulated sealant depth which negatively affects the 2-box model total. Resultantly, even if the 2-box model figure is re-calculated using lower spacer W/mK values than Thermobar, the 2-box value is likely to still be less thermally efficient than a comparable Thermobar sightline. “On this basis, we propose that the BFRC adopt the 2-box model method of substitution and give manufacturers the opportunity to substitute the whole sightline of the unit as long as the overall 2-box value is the same or lower. Thermobar with hot melt sealant currently offers the best 2-box value available.” To download the latest BF data sheet, visit www.bundesverband-flachglas.de. The link to our data sheet is: http://www.bundesverband-flachglas.de/cms/upload/datenblaetter_engl/BF_Datasheet_27_Thermobar.pdf To find out about Thermoseal Group and its comprehensive range of insulated glass components and machinery for glazing manufacture, call +44(0)121 331 3950 or visit www.thermosealgroup.com.Thermobar Warm Edge Spacer, manufactured by Thermoseal Group, is officially at the top of the list of the most thermally efficient spacer systems as per figures published on the new Bundesverband Flachglas (BF) Data Sheet – 0.14W/mK.   

This value and the calculated Psi Values detailed in this latest data sheet means that according to the 2-box model, you can substitute Thermobar Warm Edge Spacer into any current Window Energy Rating (WER) Simulation… Including all rigid tubes and foam spacer systems!

Thermoseal Group proposes that substitution of spacer systems should take place when sightlines (including spacer height and accepted simulation measurement for sealant depth) are the same measurement or smaller AND the total box value (including thermal value of spacer and sealant) is equal or better. This will ensure that substitution can only positively affect the overall WER value.

Thermoseal Group’s Sales Director Mark Hickox, comments: “WER calculations are derived from figures based on the 2-box model figures detailed on BF Data Sheet – including the spacer and the sealant. This makes sense as it gives an overall value for the whole sightline of the unit.

“We are manufacturers of both rigid and foam spacer systems so have no bias as to which option customers choose. However, if you look at the information as detailed on the table on this link http://thermosealgroup-orderconfirmation.co.uk//106 Table.jpg you can see the figures associated with Thermobar and those of a current foam spacer system. Note that foam systems require a larger simulated sealant depth which negatively affects the 2-box model total. Resultantly, even if the 2-box model figure is re-calculated using lower spacer W/mK values than Thermobar, the 2-box value is likely to still be less thermally efficient than a comparable Thermobar sightline.

“On this basis, we propose that the BFRC adopt the 2-box model method of substitution and give manufacturers the opportunity to substitute the whole sightline of the unit as long as the overall 2-box value is the same or lower. Thermobar with hot melt sealant currently offers the best 2-box value available.”

To download the latest BF data sheet, visit www.bundesverband-flachglas.de. The link to our data sheet is: http://www.bundesverband-flachglas.de/cms/upload/datenblaetter_engl/BF_Datasheet_27_Thermobar.pdf

To find out about Thermoseal Group and its comprehensive range of insulated glass components and machinery for glazing manufacture, call +44(0)121 331 3950 or visit www.thermosealgroup.com.

600450 NEW BF Data Sheet means Thermobar can be substituted into any WER?! glassonweb.com

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