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Mar-Flex Systems Are you an insulation expert, architect, custom home builder or homeowner seeking solutions to your waterproofing problems? If so, Mar-flex Waterproofing & Building Products can help. We offer commercial and residential waterproofing products for a wide range of professionals. Both our commercial and residential waterproofing solutions are warranty-backed and contractor-respected.

We have the solutions to all your waterproofing problems, both below and above ground. When you choose Mar-flex Waterproofing & Building Products, you have access to some of the finest products for commercial and residential waterproofing supplies on the market today.
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Mar-flex Waterproofing & Building Products is an innovative manufacturer of waterproofing, basement and air barrier products. We supply builders and contractors with a full range of materials and equipment for lower-level-living environments. Mar-flex was founded in 1984 by Brett Oakley, a former volunteer firefighter who was concerned that many families couldn't escape their homes during disastrous situations.
We deliver superior water-based and solvent-based waterproofing membranes, with a focus on LEED certified products. We manage the building envelope as well as the below grade foundation. Mar-flex is focused on supporting you in all of your waterproofing needs. We work with you and determine which of our waterproofing systems will work best for you and your customer's.
Mar-flex Commercial Waterproofing System - Armor Series - is the solution that is setting the industry standards in Division 7 waterproofing and Section 07 27 26 fluid applied membrane and air barrier products. We deliver superior water-based and solvent-based waterproofing membranes, with a focus on LEED certified products.
Joints and edges between barrier materials are at risk for water penetration. Transition strips create impermeable barriers which protect these vulnerable areas from the water. Mar-flex's ArmorFlash Transition Strips are versatile and designed for use with Mar-flex's Geo-Mat and Geo-Mat+ drainage products as well as our ArmorAir Barrier products.
Reviews (2)
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Scott Nuest
Jun 27, 2021
As a foundation waterproofer, I've been working with this company since 2005. Great products and team! Highly recommend!
R. Glenn
Nov 26, 2019
I had some troubles with the basement crack repair kit but while writing my review the foam expanded filling in all the cracks and I expect it will do the job. So, happy but with a couple of constructive comments. First, hold the tip on with one hand while you squeeze the plunger as it doesn't stay on. Second, note the plunger is empty when it is only half way down the tube. Third, make sure to put plenty of the covering material at the bottom of your crack so all the goop doesn't flow out the bottom.

If you seal the bottom of the crack first, replace the tube when it gets hard even if it seems you should have more to go, and hold on to the tip while you squeeze, you'll be fine. Great idea, great kit, good price, but they really should fix that tip.