WEATHER BARRIER

MEL-ROL®

Rolled, Self-Adhering Waterproofing Membrane

Features & Benefits:

  • Provides cost-effective, flexible, versatile, dependable, positive waterproofing protection against damaging moisture migration and the infiltration of free water.
  • Offers a quick and easy-to-apply system for maximum productivity.
  • Special membrane-to-membrane adhesion provides additional overlap security.
  • Meets or exceeds the test requirements of all currently applicable specifications.
  • Components work together for positive waterproofing protection.
  • Handles with ease on the jobsite.
  • Available in a low temperature version for use when air and surface temperatures are between 20° F (-7° C) and 60° F (16° C). An extra-low temp version is also available, ideal for application in extra-low temperatures down to 0º F (-18º C)            

Uses:

MEL-ROL waterproofing system provides a cost-effective answer to properly waterproof foundations, vertical walls, and below grade (below ground) floors in residential and commercial construction. MEL-ROL offers positive protection when wrapped around any type of tunnel project and can also be used on insulated concrete forms and applied to concrete, masonry surfaces, wood, insulated wall systems and metal.

Description:

MEL-ROL waterproofing system is a flexible, versatile, dependable, bituminous, roll-type waterproofing membrane of W. R. Meadows, Hampshire, IL since 1926 (High Quality Products). It is a 60 mil-membrane composed of a nominally 56 mil thick layer of polymeric waterproofing membrane on a heavy duty, four-mil thick, cross-laminated polyethylene carrier film. The two components are laminated together under strict quality-controlled production procedures.


In addition, a handy overlap guideline is printed 2 ½” (63.5 mm) in from the material edge on each side to assure proper overlap coverage and to assist in maintaining a straight application. Special exposed polymeric membrane strips are provided on both sides for positive membrane-to-membrane adhesion in the overlap area. The membrane strips are protected by a pull-off release strip.


All components of the MEL-ROL waterproofing system work together to provide a cost-effective, positive waterproofing system.

W. R. MEADOWS products in the MEL-ROL waterproofing system.                                                                                                          

MEL-ROL LM (LIQUID MEMBRANE)

MEL-ROL LM is a single-component, polymer-modified, cold-applied, water-based, liquid waterproofing membrane ideal for below-grade vertical seamless waterproofing applications. We have taken the same high quality rubber polymers found in W. R. MEADOWS’ successful MEL-ROL “peel and stick” membrane and converted them into a heavy-bodied, high solids, quick drying liquid membrane.

AIR-SHIELD

AIR-SHIELD (weather barrier) self-adhering air/vapor and liquid moisture barrier is part of a total [W. R. MEADOWS] system to complete the building envelope.

This unique, self-adhesive membrane, protected by a special release paper, is strong and durable. It remains flexible when surface mounted and will adhere to most primed surfaces at minimum temperatures of 40° F (4° C).  The membrane provides excellent protection as a tough barrier that won’t shrink, sag, dry out, crack, or rot.


It offers excellent resistance to punctures during installation. AIR-SHIELD can also be used as a transition membrane to provide protection against water infiltration in critical detail areas, such as window and door openings, deck-to-wall intersections, corner boards, wall-to-wall tie-ins, foundation sill plates, sheathing panel seams, under stucco finishes, masonry walls, and other non-roof detail areas.

It is a roll-type product that is nominally 40 mils thick.


The membrane’s-controlled thickness is fabricated from cross-laminated polyethylene bonded to specially modified asphalt.

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