SIGA SIGA Fentrim 430 Grey 4"
SIGA Fentrim 430 Grey is a robust, abrasion-resistant exterior sealing tape designed for permanent building envelope connections.
The 4" × 82' roll provides a practical width for sealing transitions, joints and connections between exterior building components. Its high-performance adhesive bonds directly to concrete and masonry without requiring primer, reducing installation steps and material requirements.
Fentrim 430 provides strong adhesion in cold conditions and features a siliconized split release liner for easier positioning and installation. It is suitable for demanding exterior applications in both mass-wall and stud-wall construction. SIGA specifically lists Fentrim 430 for exterior applications and highlights its primerless adhesion to concrete and masonry.
Specifications
Brand
Width
- 6", 9". 4"
Length
- 82 ft
Thickness
- 26 mil / 0.7 mm
Temperature Resistance
- -40° to 212° F (-40° to 100° C)
Processing Temperature
- From 14° F (-10° C)
Air Permeance
- < 0.004 cfm/ft² @ 1.57 psf (< 0.02 L/s∙m² @ 75 Pa) P
Atmospheric Exposure
- IECC Zones 3- 8: Max. 4 months
- IECC Zones 1- 2: Max. 3 months
Water Vapor Transmission
- 1.72 US perms
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