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Post by Cory Marchildon on Feb 22, 2016 14:11:56 GMT -5
Gift card to the person who can best outline how to sell a crack injection and what kind of crack injections we will install. And What is the difference between Urethane and and epoxy!
Best answer gets gift card!
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chris
New Member
Posts: 10 
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Post by chris on Feb 22, 2016 15:27:24 GMT -5
Polyurethane injection
The crack injection (if we inject)that our company uses is Polyurethane Injection. It is done by installing injection ports (nipples) in the foundation using a zipper like pattern. Then Polyurethane is injected into these ports from the bottom up.
Epoxy vs urethane
Epoxy dries hard and doesn't have the flexibility like a polyurethane injection has and the wall moves with wet dry cycles-in the end a Flexipsan will give the customer the best results because it is a 3 part Repair and makes use of the drainage below the basement floor slab.
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Post by Trevor Saker on Feb 23, 2016 14:34:22 GMT -5
I thought we did not do crack injections as a fair percentage of these releak instead we do flexispan a tough poly eurathane resin that is more flexible and allows for more movement through the wet dry cycles allowing us to give it a lifetime warranty
The best warranty is the one you never have to use, and flexispan fixes your crack permanently no matter what
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Post by thirstymonk on Feb 23, 2016 21:46:30 GMT -5
Polyurethane and epoxy resin injections are the most widely used strategies for repairing cracks in the marketplace. We will generally only inject cracks that are horizontal or wide vertical cracks )greater than a 1/4 inch.)However even though we inject wider vertical cracks we will still install Flexispan. The only other time we would inject is if the customer doesn't want to damage finished flooring because replacement cost would be too high. The problem with polyurethane is although its flexible it generally only flexes about 50% of its mass. A crack can potentially double in size between the warmest and coldest day of the year and with outside pressures on the wall. This causes a separation of the material from the concrete. Epoxy on the other hand does not flex bur cures extremely hard and over time will crack itself. Both these methods merely try to block the water and waterproofing is not about blocking water but providing a drainage strategy. Both injections methods carry a limited workmanship and materials warranty but not the stronger warranty offered with Flexispan against leakage.
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