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Decking Joists

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23 products

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Decking Joists Forest Garden P200398 20x120mm
Forest Garden P200398 20x120mm
Deck Joists, 19x120 mm
£349
9 stores
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 Wickes 261393 22x47x2400mm
Wickes 261393 22x47x2400mm
Deck Joists, 22x47 mm
£58.50
1 store
Decking Joists 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
£40.99
3 stores
Decking Joists Forest Garden PAT88V3HD 1308x 2448x2456mm
Forest Garden PAT88V3HD 1308x 2448x2456mm
Deck Joists, 1308x24480 mm
£544.99
7 stores
Decking Joists Low Profile Composite Decking Joist Battens 3m
Low Profile Composite Decking Joist Battens 3m
Deck Joists, x
£8.99
1 store
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 Blooma Aldan Pine Deck Joist L2.4M W38mm T62mm
Blooma Aldan Pine Deck Joist L2.4M W38mm T62mm
Deck Joists, x
£8
2 stores
Wickes Redwood PSE Timber
Wickes Redwood PSE Timber
Deck Joists, 20.5x94 mm
£12.20
1 store
Blooma Adda Pine Deck Joist 2.4M 45mm 70mm Green
Blooma Adda Pine Deck Joist 2.4M 45mm 70mm Green
Deck Joists, x
£9
2 stores
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
£101.63
1 store
Premium Decking Frame Kit Pressure Treated Timber 3M x 3M
Trending
Premium Decking Frame Kit Pressure Treated Timber 3M x 3M
Deck Joists, x
£169.56
1 store
Wickes Redwood PSE Timber
Trending
Wickes Redwood PSE Timber
Deck Joists, 20.5x119 mm
£13.90
1 store
Snowdon Timber Cls Timber 38mm 63mm 2.4M Pack Of 8
Snowdon Timber Cls Timber 38mm 63mm 2.4M Pack Of 8
Deck Joists, x
£80.34
1 store
Brown Treated Softwood Garden Railway Sleepers 1000mm 200mm
Brown Treated Softwood Garden Railway Sleepers 1000mm 200mm
Deck Joists, x
£35
1 store
Arranwood C16 Treated Wood 4X2 Pack Of 2
Arranwood C16 Treated Wood 4X2 Pack Of 2
Deck Joists, x
£24
1 store
Marlborough Brown Pressure Treated Roof Battens 25mm x 50mm Brown 2.4M
Marlborough Brown Pressure Treated Roof Battens 25mm x 50mm Brown 2.4M
Deck Joists, x
£300.38
1 store
B&Q Sawn Treated Timber 47mm x 250mm C24
B&Q Sawn Treated Timber 47mm x 250mm C24
Deck Joists, x
£74.04
1 store
Premium Decking Frame Kit Pressure Treated Timber 3.6M x 3.6M
Premium Decking Frame Kit Pressure Treated Timber 3.6M x 3.6M
Deck Joists, x
£223.81
1 store
Premium Decking Frame Kit Pressure Treated Timber 2.4M x 2.4M
Premium Decking Frame Kit Pressure Treated Timber 2.4M x 2.4M
Deck Joists, x
£122.07
1 store
B&Q Treated Smooth Timber 45mm Pack Of 10
B&Q Treated Smooth Timber 45mm Pack Of 10
Deck Joists, x
£74
1 store
Forest Garden Easy Deck Bearer
Forest Garden Easy Deck Bearer
Deck Joists, x
£309.99
1 store
Wickes Stop Chamfered 223202 41x41
Wickes Stop Chamfered 223202 41x41
Deck Joists, 41x41 mm
£3.70
1 store

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.

DECKING JOISTS

FAQ

Decking joists are structural components that support decking boards. They form a framework to ensure stability and durability. When choosing decking joists, consider the material, size, and spacing to match your decking type and load requirements. Proper installation helps prevent sagging and prolongs the deck's lifespan.

Choosing the right decking joists involves considering material, size, and spacing. Decking joists made from treated timber resist rot and insects. Ensure the size matches your deck's load capacity, and spacing supports the decking boards securely. Consult building regulations for specific guidelines.

Decking joists are typically made from treated timber or composite materials. Treated timber resists decay, while composite options offer low maintenance. Both materials provide strength and durability, but your choice depends on budget, environmental conditions, and aesthetic preferences.

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