Mar 27, 2015 . When replacing a porch floor, be sure to use pressure treated pine or other . It's a good idea to prime all four sides of tongue and groove flooring before . two coats of porch and deck enamel paint to protect the top surface.
In order to repair my porch I needed to use tongue-and-groove (T&G) lumber. However, I've yet to find any place that sells pressure-treated T&G lumber.
Remove any rotted joists by removing the fasteners holding them to the rim joists. . If you're replacing tongue-and-groove boards, you have to cut the bottoms of.
Install z-bar flashing between porch frame and house (Image 1), allowing . If you use tongue and groove porch decking, ensure that all sides are primed before.
How to replace weathered, rotting outdoor flooring. . Replacing porch decking is not a challenging task for any homeowner who's used a circular .. exposed joists, then place the groove of a replacement board over the tongue of an old deck.