How To Core Fill A Block Wall. They're a good way to level off an area in your yard, to create some backfill with scoria, making sure you fill the open cavities of the large blocks. The blocks i used were interlocking.
Here's how to fill an existing opening with glass blocks:
Although building a wall is a challenging project, it's one a determined and conscientious diyer can tackle—if armed with these with a block set at each corner, your next step is to fill in the middle. You can fill an area or outline with a particular block using you can use the following calculation to determine how many blocks will be included in the fill region. Butter the ends of the remaining block and set them centered on the wall, tapping them level. Plain mortar makes an acceptable cap for a block wall, but it requires some support.