Product Catalog Catalog Masonry Products Concrete Block Bond beam View as: Display items as thumbnails Display items as a list Solid Bottom Description Knock-Out Bond Beam Rates Please contact us for current pricing and availability. Request Availability Knockout Description Solid Bottom Bond Beam Rates Please contact us for current pricing and availability. Request Availability Concrete Chimney Block 18" x 8" x 18" Description Clay Chimney Products | NYS Tek Spec 3.5 .pdf | Heat Stop Refractory Rates Please contact us for current pricing and availability. Request Availability