Gravel Under Deck Blocks
We ve already answered that question in another blog post about concrete vs.
Gravel under deck blocks. Sand or gravel under the blocks works best because these materials don t change with seasonal freeze and thaw cycles. Position the columns in an upright position. The use of gravel secures deck footings pressure treated wood columns that serve as part of the deck s support structure. I am preparing footings for an outbuilding using pier blocks.
There is a significant amount of clay in the soil so i am putting gravel under the pier blocks. Place the four corner blocks so they are 10 feet apart along the long sides of the rectangle and 8 feet apart along the shorts sides measuring from the centers of the blocks. Our frost depth is only 12. Excavate holes to 12.
Heavy clay soils on the other hand can rise and fall substantially be cause they hold so much moisture. 0 00 100 00 the amount of gravel if used plus the dimension and number of skids. The gravel helps keep the area dry so that items won t rot or rust. Plug the post hole with interchanging layers of gravel and soil and tightly pack each one as you go until the hole.
Gravel under a deck can also turn a muddy area into a great storage space especially if the deck is elevated. Pavers are cut flagstones in irregular or square units. What is the best material to put under a deck. Fill with 4 of 1 1 4 rock compacted.
Why should you put gravel under a deck. This backyard gravel patio offers an inviting sitting area complete with outdoor furniture and small metal fire pit. Set the concrete blocks. There is a second sitting area made with concrete blocks with an outdoor dining set.
The number required is less though and depends on the dimensions of the shed. Arrange 21 concrete deck blocks in a rectangle creating seven rows of three blocks each. Place about 6 inches of gravel into the hole along with a wood footer plate. Seasonal items ladders children s toys even firewood can be stored there instead of elsewhere.
Deck blocks can work well but you need to consider a few things. Deck blocks and patio stones are similar in price. Paver and gravel patios are a combination of stone pavers arranged in a specific pattern and small pebbles which. While placing a.
Dig a hole of at least 36 inches. Paver and gravel patio. Level the ground or mask slight imperfections under the level gravel layer. This leaves the pier block 4 below.
If you re preparing to have your shed installed you re probably wondering what kind of foundation is best for your shed. When constructing a deck what you place below the deck can be just as important as the materials and finishes you choose for the surface. The difficult steps are leveling the skids themselves and to each other. They allow water to seep away in the fall eliminating frost related heaving in the winter.
Then 4 of 3 4 rock compacted and leveled.