Looking for Ease of Installation, Versatility, and Easy Retrofit for
Small Cable Penetrations? When firestopping cables that require
retrofitting, SpecSeal® SSP Putty is the product of choice.
SpecSeal® Series SSP Putty is a non-hardening, intumescent compound
designed to seal through-penetrations as well as certain membrane
penetrations against the spread of fire, smoke and toxic gasses.
SpecSeal Putty expands up to 8 times its original size when exposed to
high temperatures or flames.
Requiring no tools, SpecSeal® Putty is soft and pliable making it easy
to install by hand packing into openings. Its aggressive adhesion makes
it suitable for use with all common construction materials as well as
cable jacketing and pipes. SpecSeal Putty remains soft and easy to reuse