by John Ammons | Nov 2, 2022 | MDI
Did you know that GMI has a sister company called Klingstone? Klingstone 40 is a low viscosity, single component, moisture-curing liquid designed to stabilize soils and create a Klingstone bunker liner. Golf course superintendents use it extensively on courses to...
by John Ammons | Oct 24, 2022 | Polyurethane, Soil Stabilization
Contractors routinely use Mountain Grout Polyurethane on soil stabilization jobs with great success. Inexperienced installers are often apprehensive about grouting soils if it isn’t in their comfort zone, but it can be a valuable tool to add to a...
by John Ammons | Oct 17, 2022 | Equipment
You’ve chosen Mountain Grout. You know the specific formulation you plan to use. Remaining questions tend to revolve around equipment and methods. Therefore, this post focuses on equipment recommendations on different types of jobs. For crack injection, a...
by John Ammons | Oct 12, 2022 | Polyurethane
Green Mountain International (GMI) was one of the earliest members of the International Concrete Repair Institute (ICRI). ICRI was founded in the early 1990’s. Over the decades, GMI has found ICRI to be a very helpful partner in its efforts to grow, meet new...
by John Ammons | Oct 3, 2022 | Chemical Resistance
Mountain Grout MGP-168 is a two-component, hybrid polyurea joint filler formulation. This polyurea joint filler protects joints in concrete slabs and can withstand heavy, hard-wheeled traffic. It is packaged in bulk as well as convenient dual-component cartridges. ...
by John Ammons | Sep 28, 2022 | MDI
We are often asked about the interaction between polyurethane and chlorine in swimming pools. In most cases, the grout repair is behind some type of coating and would not be directly in contact with the pool water. Polyurethane products are generally susceptible to...
by John Ammons | Sep 26, 2022 | Polyurethane
Questions regarding the pressure (or psi) created by the expansion of polyurethane grouts during crack injection are common. Single component polyurethane grouts are designed to react with existing moisture in the crack or joint. This reaction produces a small...
by John Ammons | Sep 22, 2022 | Polyurethane
Oakum is a fibrous material that has traditionally been used in shipbuilding, plumbing, and other water control applications. Polyurethane-soaked oakum it can prove to be a very affordable, yet effective way for installers to address a leaking joint. The following...
by John Ammons | Sep 15, 2022 | Polyurethane
We are often asked about injecting polyurethane in cold environments. While there are some challenges to injecting in cold environments, injections can certainly be accomplished with success. As long as there is no ice in the crack or joint, the product can be used...
by John Ammons | Sep 6, 2022 | Polyurethane
The successful injection of any leaking crack requires experience and attention to detail. Cold weather injection increases the need for additional precautions and patience. The expansion and curing of the polyurethane grout is a chemical reaction and is, therefore,...
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