Summary: Learn how to maintain a gate, repair rotten timber, deal with a rusty gate and repair a sagging gate.
Wooden gates should be regularly treated with wood preservative or painted to protect against rot. Likewise, metal gates should be painted unless galvanised, to prevent rust. The hinges on gates can be smeared with oil or grease to prevent rust, but it is best to paint latches.
The earlier you notice rust spots, the easier they are to remove. It is a good idea to keep an eye on metal gates or fixings for that reason.
Gates can sag over time for various reasons. The most common cause is the hinges which can become loose through wear and tear.
Another reason why a gate may sag is when there is no diagonal brace to strengthen the rails, or the one in use is not strong enough. Fit a new brace in place with waterproof adhesive and galvanised screws ensuring it is a good fit. However a more common error is that the gate was hung the wrong way round. The gate should be fitted to the posts so the top end of the diagonal brace is nearest the latch and the lower end closest to the hinge.
If the joints have become separated, use a metal plate to hold the wood firmly together.
If required, fit a new brace in place with waterproof adhesive and galvanised screws.
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