Brick Pavers Crumbling
Crumbling Brick Pavers
Colored brick pavers have been around since the late 1970s.
I remember when these interlocking colored concrete bricks were introduced. Homeowners were attracted to them like flies to picnic food.
When I first saw them, I knew there would be problems with them.
First, they were made from regular concrete. Small pieces of stone were used, but it's just concrete.
Traditional paving brick are made from clay and fired in a kiln. If the kiln temperature is hot and the brick are left in for a long time, the brick that come out are more like solid rock. The color of real paving brick is solid through the entire brick.
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The biggest issue with the paving brick is they start to fade and lose their original color.
When they're made, the pigments added to the Portland cement coat all the pieces of sand and gravel used in the brick pavers. But weather wears this off.
Pressure washing concrete brick pavers greatly accelerates this color fade and the wearing away of the fine colored cement paste that gives the brick their original pleasant appearance.
Just be aware that the color is going to fade unless you live in a mild climate and the patio is in the shade.
The concrete paving brick crumble because the Portland cement used to hold together the sand and gravel looses it's ability to hold on. This happens most frequently in cold climates.
Water soaks into the concrete paving brick. When this water freezes, it expands in volume by 9 percent.
The ice crystals can blast apart the cement crystals. When this happens, the brick crumble.