What Size Gravel For Retaining Wall Base

Choose a paver base with landscape rocks between 1 2 inch and 3 4 inch in size.
What size gravel for retaining wall base. Wide and at several lengths and heights. The dust mixes with the larger stone and settles well. Gravel known as size 1 is relatively large. I m having a hard time leveling the first row of blocks on the base layer of gravel on my retaining wall.
More information on retaining walls where the base trench steps up a slope. I would recommend going to your local rock quarry and get gravel that is no more than 1 5 in size. For concrete and asphalt mix driveways landscaping and french drains. Retaining walls can be constructed using a variety of materials from poured concrete and large timbers to natural stones even bricks.
As with a concrete block wall build a firm gravel base and ensure good drainage. Next compact it and level it using either a hand or mechanical compactor. Retaining wall base trench. Round rocks such as pea gravel rolls and dislodge under pressure resulting in failure of the retaining wall.
Typically this gravel ranges in diameter from 2 5 inches 6 35 centimeters to 4 inches 10 16 centimeters. Due to soil erosion your retaining wall should be built on a solid foundation made from paver base. Gravel labeled 411 is usually a mixture of 57 and stone dust and is particularly useful for patching potholes and sealing things like retaining walls. Crushed stone 57 sizes of about 3 4.
150 mm plus an additional 1 in. Also called drain tile at the base of the wall. How to level the gravel base for a block retaining wall. Simply stack them in rows or mix heights within a row for a random look.
Dig a base trench 24 in. It can also be used to patch holes in paved areas. You don t need mortar with a stone retaining wall. Crushed stone 411 a mixture of stone dust and 57 stone.
Fill the trench with a 2 to 3 inch layer of paver base. I recommend gravel grade 57. 600 mm wide the length of the wall the depth of the trench will be 6 in. For driveways roads and as a base for retaining walls.
One piece of gravel can throw the blocks off. The stone is split at the quarry either 8 in. 25 mm for each 1 ft 300 mm of wall height for the amount or buried block that is needed. Lay a 4 6 inch layer of the crushed base material in the trench.