Grace Construction Products offers a complete line of products and systems that help protect the building envelope from air, vapor and moisture infiltration.

Keene Building Products™ manufactures 3-dimensional building envelope products for moisture control. These products work in wall, masonry, foundation, and plaza applications, to increase moisture drainage and ventilation. This polymer filament mat is placed between different materials to space components and create drainage, ventilation, and isolation in many aspects of a wall, roof or floor.

GreenGuard's business is to help you build the most protected and durable walls possible. Their residential line is filled with products that help block water and air infiltration and add insulating power.

Building wraps are an essential part of water managed walls. GreenGuard offers a full line of specialized building wrapss and drainage mats.

Blocking water intrusion around windows and doors is a must for preventing wall damage. Properly installed GreenGuard® Flashings help deflect water that would otherwise enter the wall.

PermaPro and PermaWrap are woven polypropylene fabrics, microperforated for proper moisture transmission consistency.  Semi-translucent and lightweight for easy installation, 12 – 15 perms, with up to 6 months of UV protection.  Upgrade to PermaWrap for increased durability with higher tensile and tear strength. Custom logo available upon request.

WaterShed house wraps are non-woven, non-perforated breathable polypropylene material, with a CLAF® mesh, multi-directional drainage plane.  Lightweight for easy installation with up to 6 months of UV protection. Available in Low Perm (15 Perms), High Perm (55 Perms) and Commercial (35 Perms). Custom logo available upon request.

Vapor retarders save time, money and energy by reducing moisture migration under concrete slabs and foundations, and through inner walls and ceilings. Raven has a wide variety of vapor retarder products to choose from that are readily available.

Underslab gas barriers are becoming necessary components for sites containing high risk factors for naturally occurring gases. Raven gas/moisture underslab barriers are made from state-of-the-art polyethylene and barrier resins to provide unmatched impact strength as well as superior resistance to gas and moisture transmission. VaporBlock® Plus™ is a seven-layer co-extruded gas and moisture barrier designed to restrict naturally occurring gases such as radon and/or methane from migrating up through concrete slabs.