Concrete Moisture Solutions Product & Substitution Approval Request Project: Mammoth Lakes Community Recreation Center City State Zip: Mammoth Lakes, CA 93546 Date Submitted Thursday, March 26, 2020 Bid Date Friday, April 3, 2020 Submitted To: HMC Architects:(
[email protected]) Specification Title & Section Resilient Flr Covering: 096567 (Part 3, Page 1) Specification Title & Section To approve the Barrier One Porosity Inhibiting Admixture: (1) to stop damaging moisture vapor emissions from new interior concrete slabs, (2) to guarantee adhesion of the flooring systems over new interior concrete slabs, Specific Project Request: (3) to provide project specific daily permeability testing for Barrier One dosed slabs, (4) to eliminate the need for any additional moisture testing, and if it's tested, (5) Barrier One warrants up to 25 pounds of moisture per ASTM F 1869 or 100% RH per ASTM F 2170. (The max for each test). Proposed Product Trade Name: Barrier One Porosity Inhibiting Admixture Manufacturer: Concrete Moisture Solutions, Inc. www.barrierone.com (407) 374-0207 1 Porosity: 10,000 field samples independantly lab tested to confirm impermeability (ASTM D-5084)(CRD C48) 2 Adhesion Testing: 100% successfull installations on over 3,900 samples. No failures in over 19 years 3 Corrosion: 86% average reduction in corrosion on submitted samples during a 1 year study 4 Shrinkage: 75% average reduction in shrinkage on submitted real-world mix designs 5 ASR (Alkali Silica Reaction): 100% successful test results on all samples submitted