Gather your supplies
• Deck cleaner
• Decking oil
• Black exterior paint
You’ll also need
- Plastic sheeting
- Stiff broom
- Pressure washer
- Lambswool applicator
Cover plants near the deck with plastic to protect them while you’re cleaning. Also protect any paintwork from the deck cleaner, especially dark colours. Hose off deck to remove surface dirt.
Mix deck cleaner and water in a bucket in the ratio of 4:1. Using a stiff broom, scrub the timbers of the deck. Leave cleaner on deck for 15 minutes, keeping it wet. Wearing gloves, scrub the handrail as well.
Use a pressure washer to clean off deck and handrail. Work along the grain of each board to remove dirt and greying timber. Squeegee off extra water. Leave to completely dry.
Cut in around edge board of deck and against painted surfaces with a paintbrush. Use lambswool applicator to apply the decking oil. Work a few boards at a time, laying off each board to remove lap marks. Apply 2 coats of oil, allowing it to dry between coats.
Paint deck posts black. Keep a cloth on hand to wipe any paint off the wires as you go. Let dry.
Apply a coat of oil to handrail. Let dry.
No matter what type of deck you have, here are some great tips for you to give it a new lease on life.
How do I prepare a weathered deck?
The type of preparation you need to do depends on the condition of your existing deck – the type of coating it already has on it and the look you’re going for.
If the timber is in pretty good condition and has just gone grey, give it a clean with a deck-cleaning product. This will remove the weathered wood fibres, any oils or tannins and bring your deck back to its natural colour. Badly weathered timber should be sanded back to a solid surface before cleaning.
Previously oiled or stained timber
The old coating needs to be sufficiently weathered to accept the new finish. The best way to find this out is to use the water bead test. Sprinkle some water on the deck and wait a few minutes. If the water still beads then the timber won’t be able to accept a new coating and you’ll have to sand it off before going through the cleaning process.
If you’re just looking to give it a fresh coat of paint, then standard paint recoating rules apply. Remove loose or flaking paint, give it a light sand and clean it before repainting. If you want to change the colour with a stain or oil then the paint will need to be removed by sanding or stripping.
How to choose deck finish
There are three options when it comes to deciding which finish to use on your deck.
If you want to preserve the timber colour of your decking, use a natural oil. There are semi-transparent finishes that penetrate into the timber for added protection. Oils are also available in tints to match your type of timber decking. As well as protecting, tinted oils deepen the colour of the timber to make it last longer.
If you want to change the colour of the timber but still see the grain showing through, a stain is the product to use. It’s particularly suited for use on treated pine decks or on weathered timber that has lost its colour. As well as traditional timber hues, there is also a wide range of other colours such as blues, greens and greys to make your deck something a bit out of the ordinary.
Use a paint to go over a previously painted surface or if you want to match your deck with other painted features. There are paints available that are specifically designed for decking that are more durable than regular exterior paints.
With a little bit of TLC, you can make your deck the standout feature of your home season-round!
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