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HW UL Listings

Willseal | UL Classified Fire Rated Systems
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UL Listing
Sealant Name
Fire Rating
(Hours)
Nominal Joint Width
(inches)
Foam Depth
(inches)
Movement Substrate
Min Max
HW-D-0700 – conf. A
FR joint, FR joint UC
3 1/2 in. 1-7/8 in. 3 or 4 in. ± 50% Concrete
HW-D-0700 – conf. B
FR joint UC
3 1/2 in. 1-7/8 in. 3 or 4 in.
(4 in. foam required for 3 hour rating)
± 50% Concrete
HW-D-1101 – conf. A
FR joint, FR joint UC
3 2 in. 3-3/8 in. 4 in. ± 50% (2 in. to 3 in.)
+ 25% / – 50% (2 in. to 3-3/8 in.)
Concrete
HW-D-1101 – conf. B
FR joint UC
3 2 in. 3-3/8 in. 3 or 4 in. ± 50% (2 in. to 3 in.)
+ 25% / – 50% (2 in. to 3-3/8 in.)
Concrete



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