MBP - Multi-Surface Bonding Primer Size:1 Gal. creating a watertight connection between

creating a watertight connection between the drain and the waterproofing assembly without sealant or secondary membranes

and color consistency

Rich burgundy-brown with deep grain variation — a bold

hard-to-bond surfaces — concrete that's been sealed

MBP - Multi-Surface Bonding Primer Size:1 Gal. creating a watertight connection betweenMortar Bond Primer (MBP) from Custom Building Products solves the adhesion problem on dense, hard to bond surfaces concrete that's been sealed, power troweled slabs, terrazzo, and other non porous substrates where standard thin set struggles to get mechanical grip. Applied before your setting mortar, MBP creates a bonding bridge that dramatically improves adhesion on surfaces that would otherwise be borderline for direct tile installation. Ready to