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DISCOUNTS ON BULK QUANTITIES! FREE SHIPPING ON ORDERS $1,500+
DISCOUNTS ON BULK QUANTITIES! FREE SHIPPING ON ORDERS $1,500+
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MTI Mortar Belt

SKU MB 3550 BUNDLE
by MTI
Original price $176.48 - Original price $553.85
Original price
$176.48
$176.48 - $553.85
Current price $176.48
Request a quote

MTI MORTAR BELT™ 

PREVENTS MORTAR BUILD-UP IN CMU WALLS

MB 3550

The MTI Mortar Belt™ (MB 3550) is the ultimate solution for ensuring a clear drainage path in CMU walls. This innovative product prevents mortar build-up, allowing your weeps to function efficiently and your walls to drain properly. Designed for quick and easy installation, the Mortar Belt™ keeps your crew productive and your walls performing as intended.

THE MTI ADVANTAGE

  • Catches & holds trash mortar: Keeps excess mortar from blocking drainage paths.
  • Protects drainage path to weeps: Ensures effective moisture management.
  • Easy to install: Simple roll-out design speeds up construction.
  • Sustainable: Made with 100% recycled content.

APPLICATIONS

  • Single wythe CMU walls
  • CMU veneers

MORTAR BELT™ INSTALLATION

  • Roll out the Mortar Belt™ and center it on the block wall.
  • Hold it in place with a cross web of mortar or a dry masonry unit.
  • Place the belt every 4 to 6 courses of block.
  • Note: Mortar Belt™ is not recommended for use in masonry unit cells smaller than 5 inches.

MORTAR BELT™ SPECIFICATIONS

  • Thickness: 0.024" (0.6 mm)
  • Material: High-impact polystyrene
  • Corrugations: 3/16" (4.8 mm) deep
  • Width: 3 3/8" (85.7 mm)
  • Length: 50 ft (15 m) continuous roll
  • Purpose: Designed to suspend and trap trash mortar within CMU cells to maintain effective drainage.

PACKAGE QUANTITIES 

Product Number MB 3550
Roll Length (Feet) 50
Rolls Per Bundle 4
Linear Feet per Bundle 200
Bundles Per Box 4
Linear Feet per Box 800

 

RESOURCES

Call Us

+1 (833) 246-3900

Email Us

sales@masonrydirect.com

Chat With Us

We reply instantly

Free Shipping

On orders over $1,500

Quick Order

Quantity Price QuantityTotal
Bundle (200 Linear Feet) $176.48 $0.00
Box (800 Linear Feet) $553.85 $0.00

FAQ

Do you offer free freight?

Yes, we offer free freight on orders over $1,500.

How long does shipping take?

Most orders ship and deliver within 1-2 weeks, with many arriving sooner. Lead times vary by product and manufacturer.

Can I order in bulk or wholesale quantities?

Yes. We specialize in bulk and wholesale orders. Use our Wholesale Order form or request a quote.

Can you help me choose the right product?

Yes. Our team can review specs and recommend the correct product for your project.

Do I need an account to place an order?

No account is required. Creating one gives you access to exclusive pricing, reorder tools, and industry insights.

Who do I contact with questions?

Call (833) 246-3900 or email sales@masonrydirect.com.