How to stabilize your deck railing with crush blocks

Crush blocks are important support pieces that fit snugly between the bottom section of your deck railing and deck surface. These blocks are used to support composite / synthetic wood railing, PVC railing, wood railing and many other deck railing material to keep the rail section from sagging and possibly warping over time. Crush blocks are often made from leftover deck building material like 2x2 composite decking pieces, aluminum balusters, square aluminum balusters or treated lumber. You can also cut a piece of 5/4x6 decking and stand it on end under the bottom rail of a deck... read more

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