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-   -   Decking question(s)... (https://www.johnbridge.com/vbulletin/showthread.php?t=125912)

netrate 08-14-2018 07:25 PM

Decking question(s)...
First time making a deck.

Weeds under the deck:
1) it is recommended to use Landscape Fabric under the deck to prevent weeds? My deck is on grass.

2) I purchased an aluminum gate for the deck that has the ability to be resized.

On the deck, so far I have two deck posts (4x4x4) screwed in but can be moved. The aluminum gate is 36" but the gap that I need for the gate is 32" presently.

It is better :

a) to move deck posts to ensure a gate fits exactly out of the box?
b) to cut the gate to fit the the gap between the deck posts already in place?

Thanks in advance.

Kman 08-14-2018 07:54 PM

Welcome back, David. :)

Since this thread is about something other than tile or related to tile, I moved it over here to the Mud Box. If you plan to tile over the deck, we can move it back.

If the area under the deck would be closed off with no access, I would put down a weed barrier or plastic and set something on it to keep it down. If you have access, you might want to cut the grass regularly, or cut it once and use a herbicide to keep the grass from growing back.

As for the gate, do you need the full 36"? If so, move the post. If not, adjust the gate. What I would do other than just screw the post in place is to make it longer so that it extends below the deck and anchor it directly or indirectly to the framing below. Otherwise the weight of the gate will cause it to lean over time.

netrate 08-14-2018 08:00 PM

Thank you.

Yes the post is already anchored to the JOIST and boxed in with other pieces of PT wood to give it a secure placement.
The area below the deck is less than 10 inches at certain points and about 2 feet at others, so I cannot really get up to do any lawn maintenance.

Kman 08-14-2018 09:45 PM

You got any small children that can run a weed eater? :D

If it were mine, I'd probably hit it with Roundup a couple of times a year to keep the weeds down, and the snakes from hiding in there. I know some don't like to use chemicals like that, and in that case I'd use a weed barrier. Even then, you have the potential for critters to get underneath it.

netrate 08-17-2018 07:22 PM

Strings and stairs...
I am going to add a set of stairs to the deck, but the height is only about 14 inches from the ground. Any ideas how I would go about doing this for such a short distance? How many steps?

cx 08-17-2018 07:29 PM

You need only one step, David. How is a matter of how you've constructed the deck and what you want it to look like.

Kman 08-18-2018 03:47 AM

And how wide the step will be.

netrate 08-23-2018 09:21 PM

It looks like I am going to create a step up wooden box for now.

netrate 08-23-2018 09:43 PM

post sleeves loose?
I am putting vinyl post sleeves on my 4x4 PT wood, but noticed that the sleeves are loose (not just a little, about 1/8 loose all around).

I was going to shim them up on the inside of the sleeve, but someone said that it will split the SLEEVE if it expands when it gets wet - BUT, I don't know how it could get wet considering there is a CAP on the top of the sleeve. I don't want to proceed until I know if I should shim the inside of the sleeve or not. Any ideas?

cx 08-23-2018 10:02 PM

You got a link to these "sleeves?"

You gonna share some of your design with us? I can't imagine what your posts would be for if there are no penetrations to these sleeves. And if there are penetrations, there's gonna be moisture gettin' in there, yes?

But I can't imagine new PT wood getting any larger when wet when they're starting out nearly saturated. And if the sleeves are already loose...........

Kman 08-24-2018 05:42 AM

Probably something like this.

netrate 08-24-2018 08:58 AM

1 Attachment(s)
Ok, here is the sleeve:


and here is a pic with the sleeves on my posts attached below.

The rails will be attached between the post/sleeves which I suppose will give some support but since it was so loose and I have never completed a deck before, I wasn't sure how to proceed. The company that manufacturers them said that the 4x4 was the right size for the 4x4 post(which are really 3.5x3.5)

Tool Guy - Kg 08-24-2018 11:45 AM

It’s proper that the 4x4s are only 3.5” x 3.5”. It’s referred to as a nominal 4x4. They got their name in the old days when they were cut to 4” square from a wet log. After drying and machining, the measurement was less.

Yes, your sleeve will be a little loose. But don’t your directions tell you to secure the sleeve with screws from one side only, or something? Between that and the guardrail/baluster assembly that’s anchored to the posts, the sleeves will be secured.

All that being said, I agree with CX. Those pressure treated 4x4s are likely to be the maximum size they’ll ever be. Most pressure treated lumber is absolutely soaking (literally) wet when you pull it off the rack. Unless you bought lumber that has had a long time to dry and doesn’t weight a ton, it’s only going to get skinnier.


Davy 08-24-2018 02:29 PM

Like Bubba said, they will probably be secure as is but I wouldn't think a small squirt of canned foam in each top corner gap would hurt anything if needed.

netrate 08-24-2018 07:55 PM

It is interesting after sliding on a few more sleeves, some fit very snuggly and others don't. Knowing that snuggly isn't going to split the sleeve, I have cut some wedges out of the PT wood and used them to keep the post from moving around. The screws from the railings also help but this at least keeps it from moving around while installing the railing system.

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