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Hi Nish, you appear to have followed the process, however you r workings for the I'p were incorrect. This is the figure you should have got for the I'p. If you need to discuss, please let me know.

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Went with letter report for my personal benefit, hope it is on par

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Gents, whilst I am at the doctors, here is a "typical" solution to the homework problem.
Check it out and discuss the results you have with peers. I want to see your workings uploaded here please......thats all of you please
Steve

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175.8 + 20 = 195.8mm. This does not meet requirements.

205.1 - 175.8 = 29.3mm.

A 30mm increase in thickness is necessary to meet the requirement.

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The quick, free and easy way to find out the insulation thickness and the U-value you need for your building project. The U-value Calculator covers all the main ways of building walls, flat roofs, pitched roofs and floors using Kingspan Insulation products.

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It is designed for all users, but specifically those who want to make an assessment of the U-value achieved with various combinations of block and thermal insulation prior to finalising a wall design. Users need to make a selection from each of the drop-down boxes.

In the internal finish drop-down box the R-values for the 5 options of insulating plasterboard are for plasterboard, insulation and air-gap combined. Some drop-down boxes require input from the user and others permit changes to be made:

External render
Select an option from the drop down box
External insulation
Select an option from the drop down box. If an external insulation is to be used the insulation thickness needs to be inserted.
Details about outer leaf
Select an option from the drop down box. The default values can be used or the λ-value of the blockwork can be changed if an appropriate value is available from the block manufacturer.
Details about cavity
Select an option from the drop down box. The thickness of insulation needs to be inserted. A selection of R-value of the residual cavity needs to be made (guidance available from insulation manufacturer).
Details about inner leaf
Select an option from the drop down box. Default values can be used or the λ-value of the blockwork can be changed if an appropriate value is available from the block manufacturer.
Details about internal finish
Select an option from the drop down box.

Note: Whilst the calculator is simple to use and gives results close to those achieved with a detailed U-value calculation it includes a number of assumptions such as type and density of wall ties. As a result, a calculation may not be in accordance with BS EN ISO 6946 (ie if the program assumptions do not match those of the design choices)

To view summary please scroll up the page

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It is designed for all users, but specifically those who want to make an assessment of the U-value achieved with various combinations of block and thermal insulation prior to finalising a wall design. Users need to make a selection from each of the drop-down boxes.

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20220405_Cantiliver Stair homework_ Sgt Diamond

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NSBRC - A difficult acronym to remember.

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NSBRC Reflection Essay - Sgt Engelbrecht