20 Long Trex Step? - General Discussion - Contractor Talk

20 Long Trex Step?

 
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Old 03-12-2019, 03:15 PM   #1
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20 Long Trex Step?


I need to build a 9 x 20 deck (approximate)in a covered back patio.

The HO wants to eliminate the step down, and have the deck level with the threshold.

That would require a step down to the yard.



l



Ill build it free floating and run a seam board at the mid point and picture frame the far end where the BBQ is.


My question:

If I want to put a step on the long side, how can I compensate for expansion?

- shied framing and an end cap fastened to the tread?

- step will be either 11 or 16.5 deep.



(Door is at right side of patio)


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Old 03-12-2019, 04:21 PM   #2
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Re: 20 Long Trex Step?


Are you in snow country?
If so, don't run the deck even with the door threshold.

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Old 03-12-2019, 05:17 PM   #3
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Re: 20 Long Trex Step?


This last month we were close to snow country. 60 miles south in the same Valley, they got a foot.

We only get a couple inches for a couple days. Shouldnt get any under this corner of the house.


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Old 03-12-2019, 09:18 PM   #4
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Re: 20 Long Trex Step?


Not understanding the question. What type of expansion are you wanting to compensate for?


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Old 03-13-2019, 05:47 AM   #5
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Re: 20 Long Trex Step?


Trex has specific expansion requirements, just follow them.
Yes to end caps or finish on end stringers.
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Old 03-14-2019, 10:37 AM   #6
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Re: 20 Long Trex Step?


Quote:
Originally Posted by Californiadecks View Post
Not understanding the question. What type of expansion are you wanting to compensate for?


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I think 10 footers on the deck separated with a seam board in the middle wont stretch too much orbe too noticeable.

Im worried that a continuous stair will stretch in length over a half inch.

In other words, can you share some details on stair treads that are over 10 foot in length?



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Old 03-14-2019, 11:00 AM   #7
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Re: 20 Long Trex Step?


Quote:
Originally Posted by Mordekyle View Post
I think 10 footers on the deck separated with a seam board in the middle wont stretch too much orbe too noticeable.

Im worried that a continuous stair will stretch in length over a half inch.

In other words, can you share some details on stair treads that are over 10 foot in length?



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I thought that's what you meant. In my experience and I've done many, you won't get more than 3/16 to 1/4 in 10 feet. Also the temp at which you do the install will make the board go back to that same size at the install temperature.

With that said, where most screw up is thinking the deck board shrinks when in fact it's the framing shrinking underneath pulling the deck boards apart. So you will need to take the wetness of the framing into consideration when it's time to install the deck boards. Hope this helps.


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Old 03-14-2019, 12:22 PM   #8
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Re: 20 Long Trex Step?


Yeah, I am sure the 10 foot deck boards in the field will be fine.

But the HO would like the step to extend the length of the deck, about 20 feet.

Im just wondering how to treat the ends of the two 20ish deck boards that would make the tread; I dont want to picture frame/miter a return on the stair tread. Maybe a 11 1/4 x 1/2 ripper with a return tacked onto the end?

Would you just leave the end of the boards exposed?

- Oh wait, do you paint the end of the boards?


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Old 03-14-2019, 03:17 PM   #9
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Re: 20 Long Trex Step?


Here's one I have coming up. The deck is longer than 20', so I'm doing a waterfall style piece on the ends of the step so a full 20' tread will fit.

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Old 03-14-2019, 04:48 PM   #10
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Re: 20 Long Trex Step?


Nice, thank you.

It looks like you just paint (or leave bare) the exposed end of the returns?



Do you have a real life picture?


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Old 03-14-2019, 04:57 PM   #11
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Re: 20 Long Trex Step?


He's one we painted




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