PERM-A-BARRIER® HRA Waterproofing System

A comprehensive portfolio of Hot Rubberized Asphalt and accessory products for Horizontal Deck Waterproofing.

Overview

GCP’s PERM-A-BARRIER® HRA system provides proven performance and durability needed for a variety of waterproofing projects. It is compatible with a variety of substrates to create a flexible, monolithic, waterproofing membrane. Our HRA offerings give owners and occupants peace of mind knowing this fully adhered system will restrict lateral water migration, protecting the building from extreme elements. 

Compatibility

PERM-A-BARRIER HRA fits in with GCP’s extensive building envelope offerings. This system easily ties in with PERM-A-BARRIER Air and Vapor Barrier products and PREPRUFE® and BITUTHENE® Below Grade Waterproofing systems – helping to create watertight commercial buildings. 

Performance

PERM-A-BARRIER HRA is a robust waterproofing system made with 100% solids and contains recycled content.  The durable polyester reinforced 215 mil system meets or exceeds CAN/CGSB-37.50. Ideal for use under pavers, concrete slabs and green overburden. Our HRA also accommodates construction schedules and can be applied down to 40°F.

Support

Our Technical Service and Support Team provides access to industry-leading building envelope knowledge and experience to help ensure your project success. Our team can provide ongoing advice and guidance, as well as installation training. This experience provides us with an extensive knowledge base that is available to help architects and building engineers specify our many waterproofing assemblies.

Products & Accessories

Products

  • Product Name
  • Description
  • Key Benefits
  • Applications Type
PERM-A-BARRIER® HRA CAP Data Sheet
Description

SBS-Modified Cap Membrane with Mineral Surface

Key Benefits
  • Designed for use as top ply on wall and base flashing
  • May be used as top surfacing in the field, if system is to be left exposed
Application Type
PERM-A-BARRIER® HRA Data Sheet
Description

Hot Rubberized Asphalt Membrane

Key Benefits
  • Single Component, Hot-Applied 
  • For use on horizontal decks, planters, roofs and other applications requiring monotlithic waterproofing
Application Type
PERM-A-BARRIER® HRA FABRIC Data Sheet
Description

Polyester Reinforcement 

Key Benefits
  • Spunbound fabric
  • Superior strength and elongation properties to enhance resilience to stresses
Application Type
PERM-A-BARRIER® HRA NEOPRENE Data Sheet
Description

Uncured Neoprene Rubber Membrane

Key Benefits
  • Designed to reinforce wall, base flashings, expansion joints and other details
Application Type
PERM-A-BARRIER® HRA PROTECTION G Data Sheet
Description

SBS-Modified Protection Sheet Reinforced with Fiberglass 

Key Benefits
  • Protections underlying system from abuse due to construction, foot traffic, and overburden
Application Type
PERM-A-BARRIER® HRA PROTECTION P Data Sheet
Description

SBS-Modified Protection Sheet Reinforced with Polyesther

Key Benefits
  • Reinforced with stress-resistant polyester for use as top protection layer
  • Protections underlying system from abuse due to construction, foot traffic, and overburden
Application Type

Accessories

  • Accessory Name
  • Description
  • Key Benefits
  • Applications Type
BITUTHENE® Adhesive Primer B2 LVC Data Sheet
Description

BITUTHENE® Adhesive Primer B2 LVC is a low VOC primer in solvent specially formulated to provide good initial adhesion of GCP self-adhered membranes.

Key Benefits
  • Low VOC primer
  • Promotes the adhesion of GCP self-adhered membranes to green concrete and damp surfaces
  • Compliant with all state and local VOC requirements
Application Type
  • Prime green concrete (less than seven day cure for normal structural concrete)
  • Prime damp concrete, masonry, gypsum sheathing or wood surfaces on which GCP self-adhered membranes will be applied
  • For vertical and horizontal applications at 25 ºF (-4 ºC) or above