Q. I have some epoxy glue joints that are not very strong. I know the surfaces are not too smooth, and that is why I am using epoxy. I have increased the pressure but with no luck. What next? A. Epoxy ...

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 ...

There are many possible causes of joint deterioration, the most common of which are joints that were never filled, joints filled with a joint “sealant” or insufficiently rigid joint filler, and joints ...