When your home settles, cracks form in the foundation walls. Its important to repair these cracks when you find them, because little cracks can become large cracks, and lead to big problems. Crack injection is the most widely accepted method of repairing foundation cracks. This is because crack injection is cost-effective, reliable, and permanent. Mar-flex offers many crack repair solutions to fit any job, all of them epoxy based to adhere to concrete, allowing for further expansion and contraction, whilst stopping water from eroding concrete down further.