12 FIELD GUIDE TO SLAT REPAIR & REPLACEMENT Another critical area is the amount of bearing surface a beam has on a column or end wall pocket. At least 3” of bearing surface should be present. Over time a building can shift, especially on the end walls allowing the beam to fall out of the pocket. When this condition is discovered the slats and beams must be removed and column added at the end wall. The appearance of uneven slats can be an indication of a beam starting to fall from a column or end wall pocket.
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