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EWI, soffits and insulation


Doodlehime

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We want to install EWI on our house. The soffits are due to be replaced this week as part of a new roof. Next door has had EWI replaces already as part of a gov scheme and I noticed rockwool has been placed in the soffits. 
 

the EWI would when retrofitted come below the soffits but I assume this would leave a thermal bridge band of around 6-9 inches around the top of the wall in the affected external walls. 
 

Would it be advisable to use rockwool or PIR behind the soffits now before they are finished? 
 

 

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