STI Spec Seal SSP100 Intumescent Putty Bar (36 cu. in., 0.6 liter)

SpecSeal SSP Firestop Putty excels at sealing cabling penetrations and outlet boxes. SSP Putty is non-hardening and easily hand works around grouped cabling penetrations forming a re-enterable seal allowing for future work. When applied with outlet boxes, SSP Putty easily works into voids and seams forming a continuous seal against fire and the products of combustion.

• Available in tubes of preformed pads
• Remains pliable and workable for the lifetime of the installation
• Acoustically tested
• Will not harden overtime!