How to Repair Damaged Deck Boards | Mitre 10 Easy As


Damaged or rotten
decking boards are ugly. They can be dangerous, too. Luckily, they’re
incredibly easy to fix. I’ll show you how
to repair them, which will make your
deck a whole lot safer, and it’ll last longer. Now, what we’ve got here
is a classic example where a pot plant has
been sitting on the deck. The decking boards have now gone
a little bit dozey and ugly. So what we’re going
to do is just show you exactly how to
replace that section of rotten decking board. Now, the first
thing you need to do is establish exactly
where your nails are. That’s nice and easy. In this case, it’s over here. Because we’ve got our
joist underneath there, we need something nice
and solid to nail to. So for this section of decking
board, what I’m going to do is cut five millimeters
away from those nails. So we’re going to leave the
existing nails in the deck. So what I’ve done is cut
myself a piece of timber. That’s all 90
degrees on the end. I’m going to use
this as a guide. What I’m going to do
is nail this to that decking board five millimeters
away from that nail. Make sure that’s
going to be nice and lined up with the
edge of the board. I now know that, when I cut
this piece of decking board out, that’s going to leave
it perfectly 90 degrees. So what I’m going to
do is pin that down, and when we’re finished with it,
that will just get popped off. Thrown in the rubbish. Now I’m just going to
use my pin gun here to fix that board down. If you don’t have
a finishing gun, just use the old
hammer and nails. Now, for this job I’m
using the multi-tool with our woodcutting
blade, and also I’ve got a depth gauge
on the front here. I’ve set that to 35 mil, the
exact thickness of our decking. So I’m not going to hit
our joisting behind. Now, if you don’t
have a multi-tool, you can just use a
hammer and chisel. We’ve cut through
our decking board. It’s all ready to go. The only thing we need to
do now is pull out our nails in the middle of the board here. So to do that, I’m just going
to use our cat’s paw, or nail puller, if you will. And to do that, all
you simply do is just sit that at the
back of the nail. Give it a good, hard whack. Rightio, we’re just about there. I’ve got two more
nails that’s sitting underneath this trellis. Now, to get to that, I’m going
to use the multi-tool again. Now I’m just going to take
out our woodcutting blade and swap it over with
our metal cutting blade, and that’s just going to
cut through those nails. Lovely. OK, all our nails are out
of our decking board now. First thing we need to do is
take off our little guide block here. Right, now let’s just
pop up our board. OK. Next thing to do is just measure
out our length of decking for when we go and cut that. That’s 1163. OK, just before we put
our decking board on– now, as you can
see, that multi-tool has given us a perfect
90 degree cut there. Now, the only
other thing is I’ve got about 12 millimeters
of my joist left to fix to underneath. So there’s a couple of different
things we could do here. I can either pre-drill
an angle for our nails to go through on the end
of our decking board, but the only thing is that’s
going to look quite ugly when we skew those in. So what I’m going to do is bang
a block on our existing joist here. That’s going to
give me something nice to fix to with our
decking nails on the end here, and they’re just going to
go through down 90 degrees. I’m going to use
the battery drill to screw the block in place. Now, if you are unsure of
what sort of decking to get, just take in your old
piece to Mitre 10, and the guys there
will help you out. OK, I’ve cut my piece of timber. That’s ready to go in. Just before we do that,
what I’m going to do is just put a light aris on
the end of our decking board, just on a slight 45 degree. All that’s going to do is
just take off any sharp edge. Right, we can drop that in. Now that’s looking
absolutely marvelous. So kind of just line up
our nails with our existing ones on the deck about 15 mil
in from the edge of our board. Now, because we’re using about
a 3 and 1/2 mil thick nail. I’ve got a 2 and 1/2
mil drill bit in there. That’s going to
make sure that nail goes in there quite nice without
splitting the decking board. And we want to just
go on a slight angle. That’s going to give your
nail something a little bit extra to grip to. Now, the nails I’m using here
are 75 mil annular groove. Because I’ve got 30 mil thick
timber, I want a 75 mil nail. Now, these have got
a groove on the end, and that’s why it’s
called an annular groove. That helps it key
into the timber, stop the decking board
popping the nail out. Now just do the same
for the two ends. Now, if you are worried about
this being a different color to your deck, you know what? Give that another six
months, and that’ll all blend in exactly the same. And that’s all there is to it. Just check your deck for
any other damaged boards, use the same method
to replace them, and you’ll have yourself a
safer, stronger deck to enjoy.

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28 thoughts on “How to Repair Damaged Deck Boards | Mitre 10 Easy As

  1. Guide block is a good tip so you don't have to look for the line of nails and re-orient yourself. Also good idea to screw the block in place instead of going in at 45 degrees. I wasn't comfortable with doing that either. Think I'll be using that. Great tips! Thanks! 🙂

  2. From not so suuny and dry England… If you use cross head screws with a Dewalt Impact driver, you can replace the whole piece in 10 mins.  This Dewalt will screw a 4" screw, in , . less than 5 secs.  Great vids, but USE SCREWS !!!!!!!!

  3. The one thing I was waiting for you to mention was the different sides to the decking timber. Make sure the timber is replaced the correct way to match the existing timber!

  4. Nice video but why not seal the two end grains of the replacement board with a product like Anchor Seal to stop splitting and checking before installing it?

  5. Do video on how to repAir or replace a fence made of wire, namely window , not the chainlink wiring. Wire used to just keep in small pets. Thank you.

  6. Plans from the Stodoys site perfect for beginners and advanced people will find something for themselves.

  7. Thanks for the tip. Could you help me, please? I bought a 14' long deck plank to replace one that rotten in our deck. It got rained on bad. It's water treated/pressurized whatever that means. How soon can I cut it with a circular saw? Is there a certain dry out time? Thanks.

  8. Yeah…us poor boys don't have all those fancy tools, aussie. You need to make a video that relates to people with just common tools like a hammer and nails. Not this fancy powertool shit.

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