Profile: Trowel Trades Supply, Inc. offers masonry, drywall and landscape services. Our services include masonry mortaring, masonry anchorage & reinforcing, masonry insulation systems, clay unit masonry, concrete unit masonry and glass unit masonry. Our glass block masonry units come in numerous shapes and finishes. They allow light to enter through a structural masonry wall. Our concrete masonry units come in numerous shapes, sizes and textures.