Render repair is required to the front of my house. The house is a Potton Range, built some 25 yrs. The front is of a stainless steel twill _lathe, rendered then covered in High Build. There is an expansion joint which stretches the width of the house above a window. AaThis joint is now show and detracts from the appearNce of the house.What is the answer to remove/ disguise this joint and what is the procedure with re applying high build?
