TheTopDeck.co.uk

Large Flat Garden Deck - Ground level deck


Full decking sequence with images of decking sub frame right through to finished deck. Large garden patio decking for ease of access into garden, serves as a truly superb garden room. Excavation of the old patio area was carried out to allow room for the combined depth of the timber sub decking and finished deck. Total depth - thickness - of deck is 20cms.

The joists are 150x50mm and deck boards 28mm thick. Substantial sub deck frame required before decking is installed.

Old ppatio and lawn area before deck is built

Always a pain in the neck when it has to be done, but in this case the existing paving patio had to be removed to allow the proper depth required as where the deck abuts the house - in particular the door frame sill.

 

 

 


Akll the paving removed from the patio to allow for the low step reveal on conservatory Image shows ground clearance below DPC of house and conservatory

 

 

 

Images show the clearances now available for building this ground level patio deck. The deck frame and deck boards will now fit properly under the door sill of the conservatory, and where above the damp proof course, spacer washers will be incorporated to leave a small gap between deck and house.


Ground levelled and compagted ready for the decking works to take place

 

The ground has been cleared and sufficiently levelled to allow work to commence unhindered. In many places, the deck frame will be above the ground level. this will allow for added ventilation under the deck, and prevent the deck from soaking up the groundwater in rainy periods.

 

 


Substantial sub base being fixed for the large garden deckSupport posts for the deck frame maximum of 1.2m in each direction

 

 

 

The construction of the ground level deck sub deck frame can be seen.  Note that joist hangers were used for this sub frame. The deck frame divided into two by the use of an intermediate bearer joist which is well supported by posts concreted into the ground.


 

Decking being laid on large ground level garden patio deck

Laying of deck boards is now well advanced. When joining deck boards like this, extra care has to be taken to ensure that the gaps are suitable for the next layer of deck boards to be affixed.

For those who are not experienced in this size and type of decking project, it would probably be easier to lay the run of deckboards the whole length of the run, and then proceed with the next row - rather than as done here.

 


Finished decking on ground level garden patio deck

 

A good level ground level patio deck - eminently suitable for client who is confined to wheelchair. The colour of the deckboards has already toned down to the honey brow - before finally toning through to grey - unless treated with a tinted decking oil.

 

 


 

Decking level with bottom of door sill to allow for wheelchair accessThe finished softwood deck showing the levels at house

 

 

 

 

 

Finished levels on the deck can be seen matching the door sill and also under the patio doors. This makes for ease of access and egress, and is a feature that can be best utilised with a deck - rather than paved patio.

It is even more imperative that all stages of the deck and sub deck frame construction are thoroughly checked  on a large decking project such as this. the basic maxim is simply never to proceed to the next stage until you are fully happy with the section of construction in hand at that moment.


 

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