QuestionDear Sir:
I am installing a concrete brick walkway. I have done the excavating and installed 3" of compacted base material. Now comes 1" of bedding sand, but I've hit a snag. I've been all over the internet trying to find out if I should screen the sand and then install the bricks on the uncompacted sand, or if I should compact the sand and then install the pavers. I've found sites that say conflicting things. I really need some expert advice. Thank you!
AnswerJust screed the sand and then set bricks. Then apply some more sand to the top to sweep it in the joints. Many people run a small plate compactor over the pavers after sweeping the sand to vibrate it down in and set the bricks. But it really depends on the bricks. Some can break if they are weak or old. But you should not compact the sand before adding pavers.
Sean J Murphy
www.amenityarchitects.com