Subj : slab jacking To : JIM WELLER From : Dave Drum Date : Sat Feb 05 2022 06:20:00 -=> JIM WELLER wrote to DAVE DRUM <=- JW> shrinking permafrost ... JW> As they slowly melt the mud jackers fill the void. DD> I assume they are using some form of plastic - which may cause DD> other problems down the road. JW> Yeah, in the old days they used a mud-like mixture of soil, lime- JW> stone and cement, and forced it through holes in the slab using JW> enough hydraulic pressure to raise and level the slab. Hence the JW> name mudjacking. JW> Today they use quickly expanding rigid foam. They shoot two JW> chemicals through the slab which quickly react with each other to JW> make a quick drying, very rigid foam that fills air holes, displaces JW> water and is strong enough to lift the slab (and the building on top JW> of the slab). They can even run it in narrow strips to lift a JW> foundation wall. It is more properly called slab jacking or foam JW> jacking. The foam is called polyurethane and it's a polymer. The JW> two starter chemicals are monomers called isocyanate and polyol. JW> Every jacking contractor has its own proprietory secret formula. JW> PU is pretty inert and remains buried so it isn't a future hazard. Polyurethane is a plastic that I'm somewhat familiar with. JW> Buildings sitting on really bad soil structures may need repeat JW> treatments every decade of so. JW> Loblaws also owns Shoppers Drug Mart now DD> They sure sound like the 800# gorilla, though. JW> They are. Our anti-combines people barely allowed the merger and JW> imposed all sorts of conditions. Sorta like Farcebook (now Meta) DD> by comparison shopping I've learned that Amazon is not always DD> the lowest price. JW> That's been my observation too. Roslind uses it for speciality JW> textbooks not otherwise available. JW> we also have a (non-practising) Mennonite BIL DD> in this area / Most are Lutherans ... but not all. There are Roman DD> Catholics, etc. JW> Ours are either Amish-like Mennonites or randy, whisky swilling JW> heathens. No middle ground. Mennonite - Amish with a car. Bv)= MMMMM----- Recipe via Meal-Master (tm) v8.06 Title: Amish Pork Chops Categories: Five, Pork, Vegetables, Soups Yield: 6 Servings 6 (8-10 oz) center cut pork - chops; bones optional 1 c Ketchup 1/2 c Chopped onion 10 3/4 oz Can cream of mushroom soup 1 tb Worcestershire sauce Place uncooked pork chops in baking dish. Combine soup, ketchup, Worcestershire sauce, and chopped onions. Mix all together and pour over chops. Bake, covered, for 1 1/4 hours. Remove, cover, and bake 1/2 hour longer or until tender. RECIPE FROM: http://www.cooks.com Uncle Dirty Dave's Kitchen MMMMM MMMMM----- Recipe via Meal-Master (tm) v8.06 Title: Old Recipe Rhubarb Jam Categories: Five, Jam/jelly, Fruits, Nuts, Citrus Yield: 12 Pints 15 c Rhubarb; cut up 14 c Sugar 8 Oranges 1 c Walnuts Put oranges through food chopper. Put sugar and oranges over rhubarb and let soak overnight. Next morning cook slowly for 1 1/2 hours. Add walnuts and put in hot jars. This makes 5 to 6 quarts (5 to 6 liters). This recipe is about 50 years old. Source: The Recipe Book Committee of the Mennonite Traditional Cooks publication of "GRANDMA'S COOKING" From: http://www.recipesource.com Uncle Dirty Dave's Archives MMMMM .... The red headed guy at the bakery is a ginger bread man. --- MultiMail/Win v0.52 * Origin: SouthEast Star Mail HUB - SESTAR (1:3634/12) .