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Aluminium Decking Substructure

Size: 3 size options

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Aslon Any Deck - Decking Substructure

The Aslon aluminium decking joist substructure system is designed specifically for universal, straightforward forward, and fast assembly of composite decking on flat roofs, balconies, and terraces. The system will work with and decking board that has been provided with a groove of at least 3.5mm in height and 8mm in depth.

Save on installation time with the groove

With the Alson Any Deck substructure system you will save at least 50% on installation time.

Universal

The system can be used for wood composite, synthetic, bamboo, and hardwood decking. The aluminium beams are always straight unlike the hardwood alternative.

What materials do you need?

Simply contact us with your measurements, fall heights, and decking board information. We will then provide a free design showing where each part goes with a list of quantities.

If you have a drawing of the area we can also add the system to the drawing

Please email your information to sales@castlecomposites.co.uk

Contact Us

ASLON Aluminium Beams

ASLON Aluminium Beams are always straight and provide a very light weight substructure for porcelain tiles. Installation can be on our Aslon Rubber Pads or our Adjustable Slope Correction Pedestals.

Always install the aluminium beams (substructure) in accordance with the installation manual to which reference is made by the manufacturer of the porcelain tiles.

Available Sizes
40 x 40 x 2400mm
35 x 23 x 2000mm

Fastening Clips

Fastening clips are used to secure the decking boards to the aluminium beams. These clips can be loosened to allow removal and replacement of boards at any time without damage to the decking boards or substructure

End Fastening Clamp

End Fastening Clamps are used to fasten the first and last boards of the layout. Pushes into the ends of the aluminium beam to secure the first and last decking boards where possible.

Coupler

Couplers are available where aluminium beams need to be joined. Couplers are fixed using the same quick fit connection as the fastening clips keeping installation time to a minimum and ensuring a secure connection.

Installation On Rubber Pads

Installation on our Aslon rubber pads is quick and easy. Aslon rubber pads are 100 x 100 x 10mm in size and will protect the substrate below from damage as well as allowing for free drainage. When installing on Aslon Pads the decking will simply follow the existing fall of the roof. Please contact us if you have an area with multiple fall directions. Supports should be placed under the aluminium beams no more than 500mm apart.

Installation On Pedestals

Installation on our adjustable supports allows for complete adjustment of the deck level. Using this system the decking can be installed level by adjusting the height of the supports to overcome the drainage falls of the roof. Our slope correction supports automatically adjust for the angle of drainage and fit perfectly to the aluminium beams.Supports should be placed under the aluminium beams no more than 500mm apart.

Multi Brackets

Multi Brackets can be used to attached the aluminium beams to almost any surface including timber, concrete and even existing pavers.

The Multi Bracket can also be used to connect aluminium beams together at 90 degree angles where required.

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Sarah M
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Once again, a great company to deal with, helpful and reasonably priced. Highly recommend
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Charlotte
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Impeccable service from this company! From start to finish they have showed patience, kindness and honesty throughout. As for the product.......beyond our expectations!! After almost a year of deliberation and with limited options due to placement we decided on the grassflex tiles and 100% made the right choice. Great quality! Thank you
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Pam Jordan
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Just had a 15m garden wall built, topped by porcelain coping stones. Customer service was wonderful, and Fraser was so incredibly quick to answer any questions l asked. Samples were sent first and ordering was easy. Thank you Fraser for all your help. A great company to deal with!
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J
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Absolutely amazing service from start to finish! Fraser was super helpful, replied promptly to all my queries, delivery was quick and smooth. Trully great team providing best service, was kept updated on my delivery which was super fast, would definitely recommend this company! Thank you Fraser. Kind Regards Jara
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Carole McGregor
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Fabulous service from this company and Martin in particular who took me through the order process step by step. So easy to deal with. Very happy with the copes and pier caps ordered. Great quality and speedy delivery. Would definitely use again.
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Lucy Zorina
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Absolutely amazing customer service from Fraser Brown! We had a delivery of outdoor tiles this morning, and our construction team was struggling to figure out how to use the levelling discs supplied. Fraser immediately stepped in and provided a direct WhatsApp number so the team could send videos and speak to him directly. The issue was resolved within five minutes. A huge thank you to Fraser for such responsive and hands-on support — truly appreciated!
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Truman Burbank
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Great products at good prices. Highly recommend.
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L McGinness
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A great experience with Castle Composites! We purchased the EPDM Rubber Tiles in ‘Sunburst’ for the kids’ play area section of our garden. Fraser was a wonderful help - from the first phone call enquiring about the product, showing us samples at the warehouse, liaising throughout the ordering and production process (and for helping with a later change to increase our order quantity within the same batch), to ensuring smooth delivery, Fraser’s customer service was fantastic and very much appreciated. The play area is now fully installed in our garden and we are delighted with the finished product. Thank you!
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Ernest Machin
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Excellent service from a great company with fantastic staff and a wonderful product. We have just used Castleflex tiles for our large patio and are very pleased with the end result. They look great and were easy to lay.