Description

Product Data Sheet

Willseal® Seismic-HS is a pre-compressed, self-expanding, open micro-cell polyurethane foam impregnated with a hydrophobic, acrylic polymer and coated with a factory-applied silicone sealant. It is designed to provide a watertight, dust-proof, noise-reducing, thermally insulating, and UV stable primary seal that does not require invasive anchoring for installation.

Features & Benefits

Willseal Seismic-HS is a one-step primary sealant for exposed areas where color matching is important. It has a puncture-resistant, elastomeric coating on the exterior surface, which can be factory colored to match most construction substrates or sealants.

• Allows for up to 100% (±50%) movement
• Accommodates rapid rates of joint movement
• Has excellent compression recovery

Willseal Seismic-HS is supplied in pre-compressed state for ease of installation. The material is not based on wax, asphalt, or bitumastic impregnation.

• Utilizes non-invasive anchoring
• Used in joints up to 4” (10.16cm) wide
• No unbonded laminations

Colors

• White
• Precast White
• Ivory
• Sandstone
• Buff
• OffWhite
• Limestone
• Anodized Aluminum
• Gray
• Aluminum Stone
• Light Bronze
• Champagne
• Dusty Rose
• Adobe Tan
• Rustic Brick
• Charcoal
• Bronze
• Dark Bronze
• Black
• Industry standard colors and custom colors available upon request