Features

Tools & Accessories


Staple Gun	Corrosion-resistant staples	Box Knife	VaproRoller Part No. 60855190

VaproShield Sausage Gun Part No. 60159800	VaproFlashing™ SA or approved single-sided sheathing tape	VaproAirSeal™

Compatible Assemblies


Wood Stud Framing	Metal Stud Framing

Delivery, Packaging And Storage

Store roll materials in original packaging at temperatures between 40°F and 120°F (4ºC - 49ºC). Protect materials from direct sunlight and inclement weather until ready for use.

Climate and UV Exposure

Up to 12 months UV and climate exposure prior to cladding installation.
Acceptable for open joint cladding installations.

Substrate Preparation

Ensure framing is clear of nails, splinters and all unnecessary protrusions that could damage the membrane.
Check that framing and substrates are structurally sound and capable of supporting the air barrier system.

Safety

Read the full label and SDS for precautionary instructions before use. Use proper safety equipment and jobsite controls during application and handling.
Work crews are safe around VaproShield membranes.
VaproSmart ICL contains zero VOCs or toxins.

Do's	Don'ts
DO use VaproShield approved products for this system DO determine horizontal or vertical installation DO ensure you have the required overlaps both horizontally and vertically DO install membrane printed side facing the interior DO use only recommended attachment methods DO inspect all seams, overlaps, edges and penetrations for complete sealing and adhesion to optimize product performance	DON’T install over nails and other protrusions DON’T store in direct sunlight or over 120°F (-49°C) DON’T use alternative attachment methods, other than outlined in installation instructions. DON’T install printed side facing outward

Best Practice Installation

Note: Before beginning, make sure all sheathing materials are clean, free of dust, frost, overnight dew and trimmed flush with framing members at rough openings and that all materials, sausage gun, and putty knife are on site. Evaluate substrate for any inefficiencies and cracks.


Step 1: Identify Roll Size Confirm roll size: 9’8” or 59” (2.95 m or 1.5 m).	Step 2: Workspace Preparation 2A. Ensure the wall/ceiling substrate is smooth and structurally sound. 2B. Remove nails, splinters, protrusions, dust, grease, and debris. Verify the workspace is clean and all required installation tools are available.

Step 3: Positioning Based on framing and wall height determine horizontal or vertical installation.	Step 4: Measure and Cut Membrane 4A. Cut the membrane to span the full length of the wall plus min. 6” (15.2 cm) extra on each end for overlaps and sealing. 4B. Ensure minimum 1” (2.5 cm) excess at floor and ceiling for sealing. 4C. Install the printed side facing the interior of the building. Keep sheets flat and tension-free—do not excessively stretch the membrane.
	5. Attachment VaproSmart can be attached to either wood studs or metal framing. Review Steps 5.1 and/or 5.2 for best practice installation.

Step 5.1: Wood Frame Attachment Using a staple gun and corrosion-resistant staples fasten the starting edge of the membrane to the studs. 5.1A Fastener spacing: 12–16” (31-41 cm) on center, ideally within overlap areas. Align the membrane with framing and maintain smooth, wrinkle-free placement.	Step 5.2: Metal Framing Attachment Secure VaproSmart to metal framing using one of the following methods: VaproAirSeal or specified non-curing acoustic sealant Specified Double-sided construction tape Specified Spray adhesive Press the membrane firmly onto the framing to ensure continuous, smooth contact with the frame surface. Hand pressure is acceptable when using approved attachment methods; however, pressure rolling is recommended when practical to promote consistent adhesion. Align the membrane with framing and maintain smooth, wrinkle-free placement.

Step 6: Overlaps and Seam Taping 6A. Overlap adjoining sheets by a min. of 3” (7.6 cm) on horizontal and/or vertical seams. Before taping, ensure the overlap area is clean. Apply VaproFlashing SA or approved sheathing tape centered over the seam, press firmly to ensure adhesion. Avoid wrinkles or “fishmouths” in taped areas. 6B. Seal base overlap with VaproAirSeal or specified non-curing acoustic sealant. Press firmly to ensure adhesion.	Step 7: Final Inspection 7A. Inspect all seams, overlaps, edges, and penetrations for complete sealing and adhesion. Repair any gaps, punctures, or unsealed areas using membrane patches and tape. Optional: perform air leakage testing to verify air barrier continuity prior to drywall installation.

Penetrations and Rough Openings

A. Large penetrations or openings: patch with membrane offcuts, overlap at least 3”, (7.6 cm) and seal with VaproFlashing SA or approved sheathing tape.

B. Small penetrations (electrical boxes, conduit, pipes): cut membrane carefully and seal with VaproAirSeal, non-curing acoustic sealant, or sheathing tape.

C. Windows, doors, and rough openings: fold membrane into opening, secure with fasteners, and seal perimeter with VaproAirSeal.

Service Cavity and Insulation Coordination

If installing a service cavity or loose-fill insulation, ensure the membrane is supported and remains flat.

Avoid punctures or tearing when trades access the wall cavity.

Next-Gen Concrete Protection

SlopeShield Diagram WebImage 01 SlopeShield Plus SA gives contractors the flexibility they need with today's demanding schedules and labor-challenged market.

Benefits:

Apply as early as day-6 after a concrete pour or directly to damp concrete during reroofing
Prevents weather-related rewetting enabling early dry-in
Allows interior trades to safely begin BEFORE completing cure cycle
Eliminates curing calendar resets avoiding costly setbacks
Streamlines sequencing, protects the structure, keeps project moving
Saves time, labor, and expensive project setbacks

SlopeShield Icons Sidebyside 01

Green, Fresh Pour Structural Concrete

Install SlopeShield Plus SA over green concrete a minimum of 5 days after pour. Ensure the surface is dry to the touch and meets all the required preparation requirements published in the installation instructions.

Construct	Pour	Protect Roof Deck

Structural concrete roof preparation	Minimum 5-day cure time, apply SlopeShield Plus SA on day 6 or thereafter	Apply SlopeShield Plus SA to partially cured concrete, interior trades can begin

Lightweight Insulating Concrete

SlopeShield Plus SA can be applied to lightweight insulating concrete. Substrate preparation includes priming the surface with sodium silicate approximately two days after the pour to lock in free lime and stabilize the surface chemistry.

Construct	Pour/Prepare	Protect Roof Deck

Lightweight concrete roof preparation	Minimum 5-day cure time, prime within two days, apply SlopeShield Plus SA on day 6 or thereafter	Apply SlopeShield Plus SA to partially cured concrete, interior trades can begin

Advantages of SlopeShield Plus SA Over Concrete

SlopeShield Plus Concrete Roof Building Open 080425

VS Evergreen HS 11

Applying SlopeShield Plus SA on day-6 of the cure process:

Allows interior trades to begin work safely and sooner
Eliminates curing calendar resets to avoid costly project delays
Prevents weather-related rewetting and enables early dry-in

Upon full cure, following American Concrete Institute (ACI) guidelines, SlopeShield Plus SA creates a walkable surface with excellent traction and supports construction equipment

Reroof: Over High Moisture Content Concrete

SlopeShield Plus SA can be applied over existing concrete with high moisture content if the surface is dry to the touch. Applying SlopeShield Plus SA eliminates rewetting—even after rain—reducing schedule uncertainty and maintaining interior operations.

Remove	Protect	Remain Operational

Damp concrete is exposed	Apply SlopeShield Plus SA to high moisture content concrete	Concurrent drying and protection maintains project momentum

Cure Times and Installation Guidance

SlopeShield Plus SA does not accelerate the natural curing process of concrete; proper curing is still essential for substrate integrity and performance. While SlopeShield Plus SA protects the concrete from external moisture and allows internal vapor to escape, VaproShield recommends following American Concrete Institute (ACI) guidelines for cure time. This guideline aligns with industry standards to ensure optimal results.

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Roof-to-Below-Grade Protection

Frog Assets 02 Large-format industrial buildings such as data centers require continuous, high-performance building enclosure systems to safeguard the critical infrastructure within. Moisture intrusion, uncontrolled air leakage, and enclosure failures can compromise uptime, disrupt operations, and increase long-term risk. A fully integrated roof-to-below-grade enclosure solution from VaproShield delivers continuous protection, helping preserve mission-critical assets while enhancing energy efficiency and long-term facility value.

Proven Solutions

Roof to Below Grade Air Barrier Solutions

VaproShield’s integrated air barrier systems deliver continuous, airtight protection from roof to below grade, strengthened by a strategic alliance with Polyguard—providing one system, one warranty, and complete confidence.

Walmart Headquarters

Bentonville, Arkansas
Over 1,000,000 sq.ft. of VaproShield’s self-adhered roof and wall air barrier membranes were installed across Walmart’s 12-building mass timber office campus over 24 months. SlopeShield Plus SA, installed on the roof decks, delivered mass timber protection for construction crews and machinery—all while simultaneously drying the mass timber through moisture vapor diffusion.

Amazon DII5 Delivery Station

Elkhart, Indiana
The large-scale 171,000 sq.ft. high-tech delivery station opted for the trusted mass timber protection solution from VaproShield. PanelShield SA, applied in the factory to large format panels, doubled as robust protection during transport and construction and mitigated moisture damage during installation and throughout the life of the building.

Hi-Tech Campus

Redmond, Washington
Built in the rainy Pacific Northwest, over 50,000 sq.ft. of SlopeShield Plus SA roofing membrane protects the mass timber decking on one of the newest buildings on the Microsoft campus. Durable under heavy traffic and resistant to ponding water, it provided slip-resistant traction for crews while allowing the structure to dry and breathe, delivering permanent, vapor permeable moisture protection.