Questions tagged [composite]

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Composite post sleeves deteriorating

I have several 4x4 deck railing posts wrapped in composite sleeves. Some of the sleeves are rotting or deteriorating and I’m looking for solutions. I have considered replacing them but the colors of ...
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1 answer
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Should I let 2x4 pressure treated sleepers for composite deck warp/weather/dry before install

I am going to install composite decking on pressure treated 2x4 sleepers. The composite decking is attached via clips that slide in a groove of the composite decking. The clips only screw into the ...
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1 answer
477 views

How to cut last composite deck board against house/solid objects after tracksaw cut

I've seen several (youtube) professional deck builders uses a track saw to make a nice cut line for breaker boards and edge picture frame boards. I got a cheap track saw hoping to do the same for ...
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Can I use composite decking material for a horizontal privacy fence?

I have 4x4 posts in concrete for my front yard fence. They are spaced 48" on center. Can I use composite deck boards for the horizontal boards instead of cedar? Or is that too long of a span? ...
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Resurfacing a raised deck; want waterproofing (dexerdry); need gutters? Also: comment on plan?

Thanks for reading. I'm starting the planning stage of a raised deck (without space underneath) overhaul/resurfacing. I have one concrete question regarding waterproofing but would also appreciate ...
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2 answers
123 views

Existing joists span max 17.5in OC - Trex composite says max 16" allowed

Does anyone have experience with pushing the limits of joist span for composite decking? My joists are generally 16" OC but a few gaps are up to 17.5" max (one has a short section at 18"...
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Bring composite deck back to life

Is there a way to enhance the look of a composite deck ? This deck was built 5 years ago and looks little worn out. To make matters worse there were some paint droplets on the deck and i used a metal ...
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1 vote
2 answers
890 views

Can a hot tub be placed over composite decking?

I am building a deck for a hot tub and I want to use composite decking. Composite decking has many advantages as far as I see it. I won't have to paint it and it's water resistant. I have used it ...
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1 answer
1k views

What Type of Caulking will adhere to Composite Decking for water proofing?

I need a sealer Caulk to fill a approx. 3/8" gap between my Composite Decking boards to waterproof and prevent water from dripping between the boards and going on to a deck below. I want the rain ...
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39 views

Can composite decking be installed on plastic bases?

I live in UK and I'm planning to install some composite decking in my garden. I see there are two options for me here: Click deck tiles Composite deck boards Can either of these be installed on a ...
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What factors go into choosing between 3-sided and 4-sided capping for composite deck boards?

I have been researching composite/PVC deck boards and the issue of how many sides are capped seems to not get enough attention, at least in the technical sense. What should I think about with regard ...
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1 answer
3k views

Why don't my composite deck screws go in all the way? Why RT screws?

I'm trying to finish up a composite deck project. We had been using SplitStop screws when we needed them, but I only need about 30 more and don't want to buy another box of them because they're very ...
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2 answers
599 views

Can I install composite decking directly on top of concrete?

Is it ok to add a flat deck over this concrete pad( the pad is about 5 inches tall, and slightly slopes away from the house. How would I go about adding decking over it. I'm pretty handy but just ...
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1 answer
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Covering Trex Enhance Board Ends

I am installing Trex Enhance decking and would like to know how to cover the scalloped profile ends. I could picture frame the deck to cover the ends. How much overhang should the board have before ...
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2 answers
1k views

How can I extend a concrete step without repouring?

Two rooms in my house are connected with a set of concrete steps (one tread). As built, the ledge for the first step is inline with the wall framing. This means that when I add drywall the finished ...
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3 answers
69 views

Best/strongest material to build a weatherproof shelf?

I will be building a shelf on the outside of the house to hold a 120lb (18,000 BTU) air conditioner. The worrisome constraint is that the two shelf supports have to be 38" apart**. The 24" wide AC ...
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1 answer
37 views

Silicone use to bond wood boards at high temperature? [closed]

I'm in a composites manufacturing class, and I'm looking to make a one-off carbon fiber mountain biking handlebar from prepreg. As I don't want to invest in the metal needed to make a proper mold, ...
4 votes
1 answer
123 views

Does composite decking hold more solar heat than wood decking?

In the Virginia townhouse I'm renting, there's a deck out back made out of composite decking material (or rather, topped with it; the underlying structure is wood). Stepping out onto the deck after it ...
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1 answer
783 views

How can I build a long-lasting composite deck that’s exactly flush with the ground?

I love the look and feel of high-quality composite decking but I want it flush/level with the ground. In other words, I don’t want to step down off the deck. I particularly don’t want my small ...
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1 answer
256 views

Are there any composite/plastic lumber brands that can be used indoor?

I need to build a platform/base in a partially finished basement that occasionally floods. The flood isn't much, about 1/2 inch, but it does stick around for a bit (at least until the dehumidifier ...
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1k views

Good alternative to wood fascia trim

My existing wood fascia is about as old as the house (~12 years) and its time to scrape, sand and repaint as I have some serious peeling in some parts. This is AZ so no boards are rotting though. It ...
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Softwood butcher-block name?

I used to be able to buy a lumber product at the big-box home-improvement emporium which was like butcher-block side-laminated panel, but made of soft wood (pine? fir?, etc.) I would like to make ...