Applying control-joint filler demands balancing hardness to transfer loads, flexibility to move with the slabs and application timing to minimize tearing. A control joint (or contraction joint) is ...

Q. There are a couple of bathtubs in my house with old, dirty, cracked caulk around the joints. I want to replace the caulk, but the old stuff is so hard I haven’t been able to get it out. Can I put ...