Page 11 - Flooring Specialist Spring 2021
P. 11

Understanding Flooring Adhesive Terminology – Part 1, continued





 with Soil or Granular Fill under Concrete Slabs”, or as
 most in the flooring world know it, the requirement
 of having an intact, sub-slab moisture vapor retarder.
 Even though it’s considered standard practice in new
 construction to install sub-slab vapor retarders, older
 concrete slabs, especially 20+ years, may not have
 one. Even if an older slab does have one, it is likely not
 intact due to disintegration and time, making it vital
 to verify if there is one present and in good condition.
 Typically, this requires drilling a core sample and can
 still give inconclusive results. It is important to know
 that most products designed to go over concrete,
 including patch/level products, adhesives, coatings
 and primers require an intact, sub-slab vapor retarder
 be present in order for their warranty to be valid.
 •  Hydrostatic Pressure = According to Dictionary.
 com, this is defined as “the pressure exerted by a
 fluid at equilibrium at a given point within the fluid,
 due to the force of gravity. Hydrostatic pressure
 increases in proportion to depth measured from
 the surface because of the increasing weight of fluid
 exerting downward force from above”. Despite how
 scary hydrostatic pressure sounds (and can be), it is
 actually a very rare problem, although many moisture
 issues are mistakenly given this label. Essentially, it is
 pressure in the capillaries and pores of the concrete,
 being driven through the concrete slab by some
 external force. The most common culprits leading to
 hydrostatic pressure are improper drainage or a high-  withstand and block moisture, then you need to look
 water table. Often, leaky or broken water pipes are   for moisture barrier adhesives.
 lumped into hydrostatic pressure, however they are
 technically considered hydraulic pressure but result in   Clearly there is a lot of meaning behind these terms, and this
 similar issues.   article has only scratched the surface. Speaking of surface,
 •  Moisture Barrier vs Moisture Tolerant Adhesives   in the next edition of this publication, we will continue with
 = This is one of the most widely misunderstood   “Part II” where we will dive into the meaning behind the
 concepts regarding flooring adhesives today. When   terms surrounding substrates, time, traffic and sound as they
 adhesive manufacturers assign RH, pH and MVER data   relate to flooring adhesives.
 points (numbers) to their products it means that the
 adhesive can withstand, or “tolerate” those levels.   Now you know, and as they say, knowing is half the battle.
 However, just because an adhesive can tolerate high   Next time you are selecting a flooring adhesive product,
 moisture (ex. 99% RH, 12 lbs MVER, 12 pH) does not   remember the meanings behind the data and terminology.
 mean that the adhesive will offer any sort of moisture   Installing with confidence is easy when you Stick with the
 protection for the floor covering material being   Facts.
 installed. If you are looking for a product that can both
 For more information and great advice on this topic from
 flooring experts, you can watch “Stick with the Facts”
 TAYLOR TIME LIVE - S1 E3 at www. TaylorAdhesives.com/
 TaylorTime or on our YouTube channel.

 About the Author:  Seth Gladden, director of marketing and
 commercial business development for Taylor Adhesives, is focused   INTRODUCING LEVEL SET® 500 HF.
 on the brand’s communication strategy and market positioning.
 Before getting stuck in the adhesive industry (pun intended),   You need high performance products. That’s why we created Level Set 500 HF – TEC’s new
 Gladden gained sales and management experience in industries   high-flow,  seamless  healing  SLU.  Achieve  up  to  66%  savings  in  labor  costs  because  you
 ranging from security to oil. Shortly after joining Taylor, Gladden   don’t have to sand or skim coat. No product in the industry flows faster or yields a smoother
 rebranded the company, with its focus on being an industry leader                          Visit TECspecialty.com
 in mind. He chairs the Taylor Advisory Council to stay informed of   surface. Perfect for today’s thinner floor coverings. Level Set 500 HF. The Super Smooth SLU.
 market trends and installer needs from distributor partners.
         *Results may vary depending on adhesive and substrate.
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