Polyurethane needs no excavation, and this type of waterproofing repair is 1/3 of the cost of excavating the foundation and waterproofing the damage from the outside. The pressurised injection will seal the gap through the entire consistency of the foundation wall, keeping water outside the building envelope where it belongs.
Properties of polyurethane:
Polyurethane is a liquid resin injected in concrete cracks, rock clefts, development joints and other gaps in solid underground establishments. When utilised in concrete crack injection applications, the polyurethane is infiltrated into a break; within minutes, the polyurethane experiences a chemical conversion from a liquid to a solid.
The versatility, and therefore the popularity, of polyurethane resins in crack injection applications, arises from polyurethane's properties:
It has a rapid cure time, which makes it ideal for urgent fixes;
The wax usually heals if a foundation crack is wet, actively running, or dry;
There are numerous polyurethane resin formulae which is helpful while fixing foundation cracks since the viscosity of the resin and healing time can be managed; and
Polyurethane, once healed, can be pretty flexible based on the formulation.
Residential polyurethane crack injection:
Polyurethane crack injection is typically used in residential basement waterproofing applications because it is far more affordable than scooping a foundation and waterproofing the external foundation wall. It is a very reliable water stopping damage repair when done correctly.
The Importance of Hiring a Skilled Waterproofing Contractor:
While the polyurethane crack injection process is simple in principle, most people (including waterproofers) do not relish the skill and aptitude to perform a polyurethane crack injection successfully. In general, the crack injection procedure usually needs some amount of tweaking founded on the features of the crack under repair. Without a complete comprehension of the needs to be met to inject a crack successfully, a mechanic will not confirm that the crack repair will be long lasting. Furthermore, a significant amount of tenacity and attention to element is required to do a good job.
Why Waterproofers Suggest a Polyurethane Crack Injection Over an Epoxy Crack Injection:
When discussing with sales representatives from basement waterproofing companies, many homeowners are told that polyurethane crack injections are superior to epoxy crack injections because cured polyurethane is flexible and epoxy is not. Polyurethane is relaxed while the epoxy isn't; however, the flexibility in an infiltrated resin is not provided. Such flexibility can enhance the durability of a particular structure, which can be a significant point of repairing and strengthening the structure.
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