How to build deck fascia?

[SimonM]

Hi,

I have built a deck using 135 x 19mm Spotted gum feature grade.

Deck dimensions are 5.4m w x 11.5 long.

I need to select an appropriate size timber for the fascia. Picture framing not used and no overhang at the ends, so the fascia will sit flush with against the joist and deck boards.

I have a lot of smaller lengths (1m - 1.5m) left over and was considering using these, but I'm not sure how it would look due to the number of seams.

I was considering ordering some longer lengths.

What would you recommend in this scenario?

Also what would you recommend to keep moisture from entering gap between joist/end of deck boards and fascia?

Regards,

Simon

[JacobZ]

Hi @SimonM,

If one of the sides is not as visible as the other, then you could use some of those shorter lengths, but having a number of seams on a very visible face isn't ideal.

I would suggest getting some longer lengths for the fascia. As they are often one of the most visible faces of your deck, the fewer seams you can have, the better. 

It depends on what is in stock, but you can usually get decking in lengths up to around 5.7 - 6 metres, so it is feasible to say that you could clad the 5.4m side with no joins and the 11.5m length with only one seam. It is certainly worth a trip to your local store's timber yard to see what lengths are available.

The only thing I would recommend is to ensure you oil the ends of the decking boards that butt into the fascia, so water doesn't enter the end grain. As it stands, the gap, being completely vertical, would be free draining. If you added anything to cover this gap, it would cause water to pool, which can, over time, cause issues. It's best to just leave the gap as it is.

Let me know if you have any further questions.

Jacob