Seattle Basement Waterproofing

Basement Waterproofing

About Our Waterproofing

Lack of positive side waterproofing, failed positive side waterproofing, settling, moving joints, honeycombing, and foundation cracks can all lead to water intrusion. Once this intrusion begins, it takes only 48 hours for mildew to form. Prolonged intrusion can lead to the development of dangerous molds, rot, and possible structural damage.

With extensive expertise in negative side waterproofing, Injectech uses state-of-the-art Grace/Deneef chemical grout injection materials and methods to stop leaks and seal your basement permanently. All of the grouts we use are non-toxic once cured and potable water- approved.

Our methods and materials produce the highest quality and most reliable repairs in the concrete industry. They eliminate the need for the costly and intrusive excavation of your foundation as well. You will not have to demolish your basement to install drainage systems that, over time, will clog and back up. With Injectech’s chemical grouting repair, water will flow naturally and safely around your home.

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Among our services:

Surface Repair

Repairing the damaged surface of concrete can restore the structural function, protect the surface itself and the underlying concrete. Deeper problems often begin by creeping in through surface damage, making surface protection and repair a valuable investment in your structure’s future. Systems for surface repair include overlayment, resurfacing, formed repairs, cast-in-place repairs, and shotcrete.

Protection

An ounce here may well be worth more than a pound down the road. Coatings, sealers, membranes, liners, cathodic protection and overlays can all help prevent problems before they start.

Waterproofing

Water is concrete’s most persistent enemy and one that invades any weakness in any structure, burrowing in through cracks, joints, failed water stops, and other surface damage. Replacement joints and sealants, waterproofing membranes, and crack grouting are among the weapons Injectech uses in the fight to stop water intrusion.

Strengthening

An already damaged member or structure, or one which is a likely candidate for damage, can be helped through the addition of steel, FRP composite systems, concrete and other materials. At Injectech, we will use the best, most precise method to strengthen your structure.

Let's work together

To get in touch, give us a call or fill out the form below.
We look forward to hearing from you!

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“From beginning to end, Morgan and his team were a pleasure to work with -- we would certainly work with them again and we highly recommend them. Our project was an intermittent flooding issue in our converted basement. Communication was clear throughout the project -- Morgan listened carefully to understand what we needed and the various quirks of our house. He took time to explain his solution in detail, and clearly answered our questions. He and his team were professional and kind, taking great care with the space and going above and beyond what we expected in terms of sealing our foundation and other parts of the basement (e.g.: while he was here, he also fixed a threshold issue that we'd been intending to deal with for years). This house project was a pleasure. It has rained hard several times since the project completed and everything has remained gloriously dry.”
Kimberly C.

“Morgan and his team are extremely trustworthy, conscientious, and easy to work worth. Morgan explained exactly what caused our flooded lower level, and how he was going to make sure it didn’t happen again. I have full confidence in Injectech, and would not hesitate to recommend their services.”
Elena A.

“Injectech's crew and operations are top notch. They were the only company we found that had the skill and experience to resurface, slope, and seal our concrete patio, which is also our garage roof. The process could not have been smoother, with clear communication, on-schedule arrivals, and professionalism and pride in their work from start to finish. Morgan and his crew went above and beyond to help with additional work after the project was complete. Could not recommend Injectech more highly.”
Christopher N.

“They came out to fix two sidewall leaks in our basement, quick turnaround and left everything looking clean at the end great job and would use them again.”
Colin A.