Leigo Disadvantages

• People may be reluctant to apply the new technology, because it is relatively new. Hence, a well co-ordinated dissemination strategy to introduce it to potential builders is vital.

• Although skilled masons are not needed for constructing walls, a certain amount of training is required to ensure that the walls are properly aligned and no gaps are left open.

• Training in the production of the blocks is necessary to determine the correct type of soil to use, the correct mix proportion and moisture content, and production of uniform-sized blocks.

• Even with the greatest care in assembling the walls, the joints are not entirely resistant to wind and rain penetration -- therefore, plastering the interior wall surface is usually necessary.