| 41. | The use of expansion joints in sidewalks may not be necessary, as the concrete will shrink while setting.
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| 42. | If there were no gap ( it's called an expansion joint ), the boards would buckle when they expanded.
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| 43. | This is not to suggest that the expansion joint that crashed into the seats was anything but an accident.
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| 44. | The ECC patch was used as a replacement to the previously existent expansion joint that linked two deck slabs.
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| 45. | At the expansion joints, commercial-grade polyurethane sealants keep water out and adhere tenaciously, if the joint is thoroughly cleaned.
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| 46. | If there were no expansion joints, cracks would appear willy nilly, and you would have a mess on your hands.
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| 47. | Usually this expansion joint is covered by the baseboard or a shoe mold, a quarter-round molding nailed to the baseboard.
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| 48. | This expansion joint, about 1 / 2 inch wide, allows the tiles to move into this space when they expand.
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| 49. | This is an expansion joint, space for expanding boards ( they swell when they absorb moisture ) to expand into.
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| 50. | Hydrophilic strip applied waterstops should not be used in contraction or expansion joints per the instructions of most commercial manufacturers.
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