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Decking Joists

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13 products

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Decking Joists Forest Garden P200398 20x120mm
Forest Garden P200398 20x120mm
Deck Joists, 19x120 mm
£349
8 stores
Decking Joists Snowdon Timber Garden Treated Wooden Sleeper 150mm x 1.2m 10 Pack
Snowdon Timber Garden Treated Wooden Sleeper 150mm x 1.2m 10 Pack
Deck Joists, x
£177.99
3 stores
Decking Joists Wickes Redwood PSE Timber
Wickes Redwood PSE Timber
Deck Joists, 20.5x94 mm
£12.20
1 store
Decking Joists Snowdon Timber Pressure Treated CLS Decking Joist 3 x 2 Inch 5 Pack Green
Snowdon Timber Pressure Treated CLS Decking Joist 3 x 2 Inch 5 Pack Green
Deck Joists, x
£60.99
3 stores
Decking Joists Forest Garden PAT88V3HD 1308x 2448x2456mm
Forest Garden PAT88V3HD 1308x 2448x2456mm
Deck Joists, 1308x24480 mm
£581
5 stores
Decking Joists Wickes 261393 22x47x2400mm
Wickes 261393 22x47x2400mm
Deck Joists, 22x47 mm
£58.50
1 store
Decking Joists Blooma Adda Pine Deck Joist 2.4M 45mm 70mm Green
Blooma Adda Pine Deck Joist 2.4M 45mm 70mm Green
Deck Joists, x
£9
1 store
Decking Joists B&Q Sawn Treated Timber 47mm x 250mm C24
B&Q Sawn Treated Timber 47mm x 250mm C24
Deck Joists, x
£92
1 store
Blooma Aldan Pine Deck Joist L2.4M W38mm T62mm
Blooma Aldan Pine Deck Joist L2.4M W38mm T62mm
Deck Joists, x
£8
1 store
Wickes Redwood PSE Timber
Wickes Redwood PSE Timber
Deck Joists, 20.5x119 mm
£13.90
1 store
Wickes Stop Chamfered 223202 41x41
Wickes Stop Chamfered 223202 41x41
Deck Joists, 41x41 mm
£3.70
1 store
Timber Pressure Treated Battens 2.4m x 38 x 19mm 10 Pack
Timber Pressure Treated Battens 2.4m x 38 x 19mm 10 Pack
Deck Joists, x
£43
1 store
Snowdon Timber Garden Treated Decking Joist 8 Pack 2.4M 89mm 38mm
Snowdon Timber Garden Treated Decking Joist 8 Pack 2.4M 89mm 38mm
Deck Joists, x
£101.99
3 stores

Decking Joists: 3 things to consider before buying

When choosing decking joists, it's crucial to consider the material and any treatment they have undergone. Pressure-treated timber is a popular choice due to its durability and resistance to rot and insects. If you live in a damp climate, opting for treated timber can extend the lifespan of your decking. Additionally, some joists may be made from composite materials, offering a low-maintenance alternative.

The size of the decking joists directly impacts the strength and stability of your deck. Common sizes are 2″x6″ or 2″x8″, but it's essential to match the size with your deck's design and load requirements. Spacing between joists is equally important; typically, 16 inches on center is standard for residential decks. Ensuring proper spacing helps distribute weight evenly and prevents sagging over time.

If sustainability is a priority for you, consider looking for decking joists sourced from certified sustainable forestry or made from recycled materials. FSC-certified timber ensures responsible forest management practices. By choosing eco-friendly options, you contribute to environmental conservation while still achieving a sturdy and reliable deck structure.

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