1. What is MVIS?
MVIS (Masonry Veneer Installation System) was designed to create a better way to install thin adhered masonry veneer. LATICRETE offers an installation system that provides a permanent solution to adhering natural, manufactured stone, thin brick and other products to vertical and horizontal substrates. MVIS when used in accordance with written instructions, provides the owner with a warranted solution for the installation of thin brick, manufactured stone, natural stone, and other thin veneer products.
2. What’s wrong with the methods traditionally used to install thin adhered veneers?
While there have been many examples of success using the traditional masonry method of installation, the materials used – felt paper, metal lath and scratch coats made of Type S/N masonry mortars are not engineered as part of a complete wall system. Some limitations of this method include:
■ Absence of third party testing to substantiate performance levels
■ Low bond strength adhesion values of traditional mortars result in delamination
■ Lack of freeze/thaw durability
■ Substrate is seldom properly wet cured as stipulated prescriptively in the model building codes, resulting in shrinking and cracking
3. What advantages does MVIS offer?
■ Labour and materials warranty over exterior steel or wood framed construction
■ Labour and materials warranty over exterior masonry and concrete, and interior wood and steel framed construction
■ Superior adhesive mortars with six to ten times the bond strength of traditional mortars
■ Fully monolithic and load-bearing waterproof membrane
■Faster and more economical system using factory blended and bagged, ready to use products
■ Mortars provide non-sag – easily adjustable qualities producing easier installation
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