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4ft wide , 9inch cavity , no joists onto it , the roof has three slopes so yes this wall supports the roof

im putting a new opening for a 4ft window in the kitchen what would be best to use RSJ , concrete lintel or a catnic lintel. I used concrete lintels to put in the new doorway in but the window is wider so will it need a bigger support . Its a 9in double skin brick wall , cheers andy

cheers guys for the advice

hi static...this measurement ,is that where i start the opening or where the lintel must start ie pushing the door another 6 inches cheers

what is the minimum distance from the corner of the house for an exterior door.