Oh, if u look at ur floorplan, those think black lines represents walls or beams that cannot be hacked.. For example, if u look at makanology's floorplan (http://www.renotalk.com/forum/topic/58479-loft-iklektic/) all r black thick lines lor.. so she can’t knock down anything let alone the whole storeroom, which she wanted very much to… I look at urs no prob lah! put heart!