Points to be remembered during Stone Masonry work

Stone masonry

When construction is done using stone and mortar (cement or lime mortar), it is known as “Stone Masonry”. Stones are more strong, durable, weather resistant and fire resistant than bricks. In home construction, stone masonry is used where the structure is subjected to severe and rigorous conditions which brickwork may not sustain in long duration. Also it is used for its architectural appearance.

Stone masonry wall

During stone masonry work certain points need to be remembered which have listed below.

  1. The stones to be used should be strong, tough, hard and well seasoned. Very small size stones should not be used.
  2. Stones to be used should be dressed as per requirement of the work.
  3. The stones should be well watered before use so that they do not absorb moisture from the mortar.
  4. Formation of continuous vertical joints should be avoided. Proper bond should be maintained while carrying out masonry work.
  5. Masonry work as far as possible should be raised uniformly to avoid non-uniform distribution of load on the foundation.
  6. The wall should be continuously checked for true verticality with the help of plumb bob.
  7. The masonry should be provided with adequate number of through stones.
  8. Hollows in stone masonry should be properly filled with mortar and stone chippings.
  9. When masonry work is to be started over dry and old masonry surface, it should be cleaned well by raking the old mortar and sufficiently wetted before construction is started over it.
  10. The exposed joints should be properly pointed by cement mortar by raking them first up to a depth of about 2 cm.
  11. The entire masonry work should be properly cured for at least 10 days.
  12. If stone masonry work is to be carried out at higher levels, double scaffolding should preferably be used.

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