The best way to install composite boards is to use
hidden fasteners — they screw to the joists and hook into grooves in the sides of the boards to hold them down
. You can also attach composite decking boards to the joists with 3-inch deck screws.
Can you lay composite decking on top of wood decking?
Can You Place Composite Boards Directly On Top of Wood Boards?
No; this is not a recommended practice
. In many decking replacement jobs, joists end up being replaced, repaired or capped. This is due to the common discovery of dry rot beneath the decking, usually where the fastener penetrated the joist.
Can you attach Trex to wood?
In short,
yes you can
. You are more than capable of placing composite deck boards over existing wooden ones in order to save time and money from building an entirely new frame.
What are the disadvantages of composite decking?
- A pricey alternative to wood. Durability comes at a cost, as composite decking is more expensive than wood. …
- Composites aren't natural. …
- Composite decks aren't completely maintenance free. …
- You'll need to comparison shop.
Can you fix composite decking to wood joists?
After removing the old decking boards, check joists for level before installing new composite boards. … You can also attach composite decking boards to the joists with 3-inch deck screws. Avoid using nails to attach composite deck planks, as the nails heads don't sink well into composite materials.
Is a composite deck worth the money?
There is no doubt that composite decking material
is more expensive than wood
. However, it is valued for its striking resemblance to natural wood and efficiency making it an excellent choice for decking. It is easier to clean and maintain which makes it last long enough to transfer the same value to the next homeowner.
Why is my composite deck warping?
This is largely due to reduced upkeep, as well as its longer lifespan. Most composite deck boards will be much longer than wooden boards, because
there is no fear of warpage
. … Your composite deck may not warp, but it can sag and buckle. Most sagging is caused by improper spacing between the joists when it is installed.
Can you pressure wash composite decking?
Using a Pressure Washer. Trex
does not recommend the use
of a pressure washer. The use of a pressure washer on deck surface could damage the decking surface and will void the warranty with respect to any condition caused by the pressure washing.
Can you install Trex over plywood?
But can you do such a thing? In short,
yes you can
. You are more than capable of placing composite deck boards over existing wooden ones in order to save time and money from building an entirely new frame.
What do you put under composite decking?
However, you will need a good base for the composite deck. Many use
concrete flooring and concrete slabs
for an even and stable base. Some also use adjustable pedestals. Using pressure-treated wood or composites will make a strong and durable frame.
Can you put deck boards over plywood?
Plywood decking comes in large sheets, which means you can cover the deck easily with the plywood. Instead of the deck taking days to finish, the job can be completed in hours by using plywood for the decking instead of individual boards.
How much does a 12×12 composite deck cost?
| National Average Cost $8,064 | Average Range $6,611 to $8,901 |
|---|
How long does a Trex deck last?
Composite decking can last
over 20 years
with the proper care and maintenance. Composite holds up better under hot or cold weather shifts. Composite is resistant to rot, mold, and termites, which can take their toll on wood decking materials.
Do composite decks get hot?
But how hot can composite decking get in the sun? One study found that in direct sunlight, composite
decks can reach temperatures from 34° to 76° F hotter than the surrounding air
. On an 80° day, that could mean a deck surface temperature of more than 150°.
Does composite deck warp?
Your composite deck may not warp
, but it can sag and buckle. Most sagging is caused by improper spacing between the joists when it is installed. Also, thermal expansion, the fluctuation of temperatures, can have a more significant effect on composite decking than on natural wood decking.
Does Trex wood warp?
Top. Trex products offer superior durability and performance that you can't get from wood. Trex decking resists termites,
won't rot, warp, or
splinter-and never needs staining or painting.
