Edge join 6x2 for garden?

[pe2dave]

Pressure treated 6x2, edge on, making a raised planter.
Suggestions for joining them please, out all year.
Any galvenised .... roof joining plate thingies?
Or other suggestions? Pretty? No. inside joints.

 

[owen]

Just some roofing battens screwed on the back? I'm guessing you'll be lining them with plastic anyway so they'll be fine?

 

[pe2dave]

Just some roofing battens screwed on the back? I'm guessing you'll be lining them with plastic anyway so they'll be fine?

Good idea... They only come in bundles don't they (the ones I've seen, Wickes).
I could use them to 'stake' it down too.

 

[Droogs]

Dry dominoes or dowels just to give a bit of structural support incase the glue joint fails.

 

[Jameshow]

Scarf joint with 2" screws going though?

 

[owen]

Good idea... They only come in bundles don't they (the ones I've seen, Wickes).
I could use them to 'stake' it down too.

I've only bought them in packs, but I'm pretty sure in DIY places such as Wickes they sell them in single lengths too. The other way would be splitting a pallet down and using pallet wood

 

[pe2dave]

Dry dominoes or dowels just to give a bit of structural support incase the glue joint fails.

Glue for outside? In the wet?
Agreed big dominoes, but not a tool I have!
8mm dowel... but weak?

 

[pe2dave]

Scarf joint with 2" screws going though?

Sorry James, long edge to long edge, to make a 12/18" high edge to the planter?
Scarf joint would be fun, but not for this use?

 

[pe2dave]

This (plate connector?) is what I meant?
Does that make sense for this use?

 

[Coyote]

+1 for battens and leave them a foot or so long as stakes as you suggest. If you wanted an extra secure connection then galvanised nail plates regularly spaced could help. Or just big timber coach screws driven in upwards.

 

[pe2dave]

+1 for battens and leave them a foot or so long as stakes as you suggest. If you wanted an extra secure connection then galvanised nail plates regularly spaced could help. Or just big timber coach screws driven in upwards.

Makes sense. Coach screws/bolts was my original idea.... but they are *costly* compared? And I didn't fancy an 8" hole (not that I've a drill that long!)
Angled stainless screws was another one... Cost and longevity?

 

[Droogs]

D4 waterproof and for exterior use
https://www.everbuild.co.uk/products/adhesives/wood-adhesives/d4-wood-adhesive/

 

[pe2dave]

D4 waterproof and for exterior use
https://www.everbuild.co.uk/products/adhesives/wood-adhesives/d4-wood-adhesive/

Timber I'm looking at is sawn, not finished (at all) @Droogs do you think glue would do the job...
Assuming the planks (finished at 2440) aligned?

 

[Droogs]

as long as you give the joint edges a good plane and surface, I had stuff made with D4 that has sat outside for years that did fine. In fact the fold away table and chairs for the garden were given away to some friends after replacing the metalwork as I'm looking to totally revamp the garden furniture once recovered from my op and have it ready for when the new bread/pizza oven and smoker are finished.

 

[pe2dave]

You're hitting on a deep prejudice here @Droogs I shall give it a try!<aside> backed up by naily plates?</aside>
;-)

 

[recipio]

I always feel metal plates are a bit of a design failure. Why not simply glue them together using a waterproof glue ?. If pressed for sash clamps just use pocket hole screws and remove them when the glue has gone off. !

 

[Myfordman]

I've drilled through in situ and then hammered stakes through into the soil cut from lengths of re-bar.
cut the timber at 2" less than the overall dimensions needed and stack on edge offset by 2" to form a coarse finger joint look. drill down through the corners and lock with rebar.

 

[Sandyn]

I would just use batons across both widths and screw them together. If you machine treated rough sawn timber you will cut away the best protected part of it. You could also drill both bits and hammer rebar pegs through both to hold them together.

 

[Sandyn]

This (plate connector?) is what I meant?
Does that make sense for this use?

I have tried hammering these in, but didn't work. You need to use something to spread the load or somehow press them in. I ended up using nail plates and these nails. Worked very well. The twist nails grip the plates really well, but for real strength, you need a plate at each side.

 

[Gordon Tarling]

The two raised beds that I've made aren't edge jointed at all - as Sandyn says above, just screwed to battens inside works well enough.

G.