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,...
by John Ammons | Aug 22, 2022 | MDI, Polyurethane
Safety should be the the number one priority on any job site. With that in mind, this post focuses on Mountain Grout customers working with mdi-based products safely. The vapor pressure of MDI is very low. Due to that very low vapor pressure, in normal usage the...
by John Ammons | Aug 15, 2022 | Polyurethane
How will Mountain Grout stand the test of time? What, if anything, can shorten its lifespan? These are common questions and we, of course, have answers. Fortunately, the chemical resistance of polyurethane polymers has been widely tested over the past 80 years. ...
Recent Comments