A Meridian Adhesives Group Company


Signature Line®

95% Moisture Vapor Barrier, Elastomeric Adhesive

Available in 2 gallons

In the realm of multi-functioning wood adhesives, Ironwood nails it. Through its stable, cross-linking chemistry, Ironwood ensures that your flooring stays where you want it. Capable of managing moisture from most concrete slabs, Ironwood is also resistant to high alkalinity.

  • RH


  • RH

    NTR 5-14

  • RH

    15 lbs

  • RH
    Open Time

    0 min

  • RH
    Working Time

    45 min

  • RH
    Cure Time

    12 hrs

  • RH
    Light Traffic

    6 hrs

  • RH
    Heavy Traffic

    6 hrs

  • RH

    61 dB

  • RH

    66 dB

Why Use

  • 1-part product
  • 1-step application
  • Antimicrobial technology
  • High-strength, elastomeric membrane
  • Permanent, waterproof bond
  • Easy application
  • Easy-to-trowel
  • Inhibits mold/mildew growth
  • Installs multiple flooring types
  • Solvent and isocyanate-free
  • LEED v4 contributing: CDPH v1.2
  • Modified urethane (isocyanate-free)
  • 95% RH moisture protection (porous slab - ASTM F3191)
  • 95% moisture vapor barrier
  • No shot-/bead-blasting required (CSP 1+)
  • No stirring/mixing required
  • Non-slump formula
  • Non-staining, easy-to-clean
  • Extremely low odor
  • pH blocker, protects flooring from alkali attack
  • Competitive price point
  • Rapid access for heavy traffic (6 hrs)
  • Rapid access for light traffic (6 hrs)
  • Rapid occupancy times (6 hrs)
  • Smooths up to 1/8" irregularities
  • Sound reduction (3rd party tested)
  • Sound reduction and 1/8"-crack isolation
  • Extremely low VOCs
  • Warranted over cutback residue (see TDS)


FloorScore® Green Label Plus® GREENGUARD® Material Health Certificate - Bronze


mindful MATERIALS Library Red List free (LBC version 3.1)



Approved Flooring Types

Flooring Type Installation
Rubber (crumb)
Flooring Type Installation
Acrylic Impregnated Plank
Cork flooring
Cork underlayment
Cork-backed hard surface
Hardwood (engineered)
Hardwood (parquet)
Hardwood (solid)

We’re introducing a major improvement to our popular Timberline urethane wood adhesive.

Now Timberline will have RH protection of 90%, and MVER* (moisture vapor emission rate) of 10 lbs. which matches our solvent/isocyanate-free Aspen® wood adhesive.

Plus, we’ve made Timberline easier to trowel!

Ask your TAYLOR representative for all the details.