Good point about composites—I've had great luck with them myself. Just remember to use hidden fasteners or stainless screws when installing, otherwise...

Had similar flickering issues at first—turned out the connectors weren't fully sealed against moisture. Ended up using silicone sealant on all the joi...

Vinegar and boiling water are both solid methods. Another thing I've done is brushing polymeric sand into the cracks—it hardens after watering, sealin...