This keeps the wood off the ground and away from moisture so the wood stays drier and lasts longer. Crushed Gravel Easily the most common option for use under decks as well as for most other outdoor applications, crushed gravel is widely available just about everywhere rock is sold. To prevent the mold, mildew and algae from returning, all you have to do is spray the underside of the deck with an oxygen bleach solution two or three times a season and rinse.
If you periodically apply the oxygen bleach so that you don't get heavy deposits, you'll never have to scrub again! Plastic sheeting weed suppressants; pros and cons Black plastic sheets form a barrier between the soil and the gravel cutting out light so kills existing weeds and stops weeds seeding and growing up through the gravel. Plastic sheeting is cheap and easy to cut to shape with a knife or scissors. Fascia refers to a band or ribbon of wood or other material that borders the deck below its surface line.
It's like the fascia installed beneath your home's roof, but serving a different purpose. It is usually constructed of 1-by-8 or 1-by boards. On a deck , fascia serves a primarily aesthetic purpose. It is not necessary to stain the underside of your deck for protection from the elements, especially if you use pressure-treated wood, which helps keep wood-boring insects out. Don't be tempted to fill the unsightly gaps in your porch floor with caulk or wood filler.
The natural movement of the boards could eventually break the material loose and make the problem worse.
You can fill the gaps easily with rope. Should the size of the gap change, refill it with new rope. Do you need to put gravel under a deck? Category: home and garden landscaping. Most deck installation companies recommend using gravel when installing a deck. Gravel provides ample drainage and prevents pools of water from lingering below the deck structure after it rains, and eroding the wood structure and foundation.
How much gravel do you put under a deck? What to put under decking to stop weeds? Can you lay decking on soil? How do I keep animals out from under my deck? It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search.
I bought a foreclosure house last year built in , there is a tall deck at the back, and backyard is slightly sloped away from the house. Those two things gave me some worry of water issue. Not seeing any leakage sign at the walkout-basement, but I somehow wanted to do some improvement to keep water away from foundation. I thought those stones were helping the area under the deck to be dry and avoid any water buildup around the foundation.
So I wanted to learn from my neighbor. Your downspout extension may be installed incorrectly. It appears that the black pipe coming out of the hill is not sloped properly and is causing water to pool inside of the pipe. Since the pipe is not draining properly, organic debris such as leaves will clog the pipe and render it inoperable.
Since water takes the path of least resistance, it will back up and then come out of the bottom of your downspout instead of out the extension. The stones are not doing very much, and they are mostly decorative. Many people put stone, or some other kind of ground cover under their decks because it prevents weeds and grass from growing. If you want to keep the stone there, I would recommend removing the plastic tarp from underneath it and replacing it with landscaping fabric.
The fabric will allow water to drain through, and prevent weeds from growing. That way, you would be able to reduce the amount of maintenance in that area. If your foundation is sound you only need to ensure that the grade allows any surface water to flow away.
Earth is designed to absorb water, and foundations are designed to be in contact with moist earth. The only legitimate application of plastic is as a moisture barrier against poured cement.
What you've done here with plastic serves no practical purpose, other than perhaps as a weed barrier. Now you could certainly have had and continue to have problems with those deck supports depending on the soil. Only an engineer or local code enforcement officer can evaluate the soil and climate to tell you how deep the footers need to be poured given the soil and water conditions.
If the deck piers are sinking or unstable it's unlikely you could halt that with superficial corrections like this. If you're worried about that then take some levels and measurements, and if you see signs of abnormal settlement then you will just have to dig and pour deeper footers. If I were you my biggest concern would be addressing the downspout's failure to drain. Another option you can choose is composite lumber. Like composite decking boards, they offer superior durability against water, moisture, moulds, and warping.
Despite their higher cost, they will provide better framing for decks, especially if you are also using composite decking boards. The type of decking boards you choose matters when determining what to use as the base material for your deck.
How so? What is the best choice when it comes to decking boards? Many enjoy wooden decking boards for their affordable cost, and they are relatively easy to find. However, they are more prone to water damage, mould and mildew growth, and insect damage. For this reason, you may need to choose better materials for the base to protect your wood decking from these types of issues. On the other hand, other materials, such as composite decking, are more resistant to problems you may encounter with wood.
While that doesn't mean that you will disregard any precautions when choosing the base materials, you can be sure that it will last longer as long as it has a proper foundation and frame, regardless of what kind. To summarise everything, you can use gravel or concrete as an excellent base for your deck's foundation. When building a frame, you will need to use at least pressure-treated wood.
Using higher-quality materials, like composite decking, will ensure that you will have a stable, durable, safe, and long-lasting deck with proper foundation and frame. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. Henry A. March 24,
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