вторник, 1 сентября 2015 г.

Keep Concrete Crack Resistant


There's nothing worse than a cracked, heaved, or sunken concrete pad.

Chances are you've experienced one of these 3 things if you're a homeowner (i'm in this club myself, and unfortunately it doesn't involve a cool jacket).
Fortunately you can avoid issues of this nature by making your concrete's expansion joints watertight.
With spring coming there's no better time to do this project and it's certainly a weekend DIY task.
Here's a short description
+Remove old sealant or felt from between expansion joints
+Use an angle grinder to detach stubborn sealant or felt
+Wear goggles and gloves to protect your self from the sparks or debris from the grinder
+Vacuum or blow out any dust, dirt, or debris from the joint
+Add closed cell foam backer rod between expansion joints
+Ensure the backer rod is 1/8 inch wider in diameter than the joint
+Place the backer rod 1/4 beneath the surface of the concrete pad
+Apply self-leveling sealant onto of the backer rod (I used Sikaflex SL)
+Don't walk or drive on the sealant for 3-5 days
You can buy the self-leveling sealant at Home Depot or your local hardware store.
For more tips, pictures, and two short videos check out my post at http://www.homerepairtutor.com/concrete-expansion-joints/





keep concrete crack resistant, concrete masonry, home maintenance repairs, Make concrete expansion joints watertight with a self leveling sealant







keep concrete crack resistant, concrete masonry, home maintenance repairs, Sika makes a great sealant that you can use with a caulking gun







keep concrete crack resistant, concrete masonry, home maintenance repairs, Fill expansion joints with foam backer rods







keep concrete crack resistant, concrete masonry, home maintenance repairs, Make sure the backer rod is 1 8 inch wider than the joint and 1 4 inch below the concrete surface






Original article and pictures take http://www.hometalk.com/1131557/keep-concrete-crack-resistant site



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