CertainTeed Vinyl Siding Installation Guide
Repairing Buckled Siding at the Joist
Vinyl siding sometimes becomes buckled between the first and second floors of a newly built siding installation due to settling and shrinkage of wet lumber and some framing practices. Using “engineered” lumber for the joist greatly reduces the chances of shrinkage and settling and can help prevent buckling of siding. If, however, you do have a building with this situation, here is a way to correct the problem using aluminum starter strip.
With a
Pull down and “unzip” the panel.
Insert an inverted scrap piece of starter strip into the exposed receiving lock of the lower panel.
With the scrap piece inserted into the lock, lay the upper panel over the starter strip. The starter strip should be visible behind the upper panel. Mark a line on the scrap piece where the return leg of the upper panel meets the scrap piece.
Trim the starter on this line, saving the portion with the locking edge.
NOTE: Cut the starter strip in short lengths to ease handling and relocking.
Insert the trimmed edge into the lock of the lower panel.
Begin at one end and, using a
