Insulation, Extruded Polystyrene and Building Envelope Systems

Shaw/Stewart’s fiberglass batts are from Johns Manville, the only manufacturer offering a full line of Formaldehyde-free™ fiber glass insulation products. Johns Manville products are the only fiber glass insulation products which pass Environmental Specification 1350, the absolute toughest indoor air quality test. Detailed product, installation and warranty information is available at www.specjm.com. Material safety data (MSDS) available through Johns Manville.

STYROFOAM™ extruded polystyrene, polyisocyanurate insulation, flashing, sill pan and tape from Dow Building Materials enhance interior comfort. Shaw/Stewart stocks:

- Dow Blue Styrofoam 25# & 40# Scoreboard
- Dow Thermax™ (polyisocyanurate)
- Sill Sealer, Fiberglass and Dow Styrofoam

Dow manages the entire STYROFOAM™ manufacturing process to ensure consistent quality and availability.
Detailed product information, including material safety information on STYROFOAM™ as well as installation instructions on these products are available through Dow Chemicals.

DuPont™ housewraps act like a windbreaker for a structure. Wrapped over the sheathing and under the exterior siding, Tyvek^® resists air infiltration and water intrusion and creates a more comfortable, energy-efficient building. Detailed information about DuPont™ Tyvek^®, including installation instructions, are available through Dupont.

Home Slicker^® by Benjamin Obdyke is a unique, easy-to-install, three-dimensional matrix that allows moisture to escape before damaging sidewall materials. The Home Slicker^® matrix works well with many systems, including wood, fiber-cement, EIFS systems, brick and vinyl cladding. Detailed production and installation instructions on Home Slicker^® are available through Benjamin Obdyke.

Grace Vycor Plus by W.R. Grace & Co is a window wrap that provides premium exterior protection against water, air and moisture leaks. It is designed to work in severe winter climates and is compatible with wood, plywood, concrete and masonry. The product fully adheres to the substrate to prevent water from passing through. Detailed product information about Grace Vycor Plus is available through W.R. Grace & Co.

Marvin SillGuard^® is a new, innovative, easy-to-install and cost-effective product that responds to strict residential building codes requiring a sloped, non-conductive, rigid sill pan as part of a builder’s water management solution. The 3-piece, adjustable, rigid sill pan sits under a window or door and directs moisture out of the rough opening and onto the exterior, weather-resistive barrier. It can be installed in virtually any width window or door opening.