Jif-Set® Underlayment, our best selling low cost high quality floor prep and patch.

Jif-Set System, Jif-set Powder and Leinweber's Liquid Latex

Jif-Set® is a fast setting alpha gypsum based cement two part, powder and liquid, floor patch / underlayment used for patching, smoothing, or leveling interior subfloors prior to finish floor covering. May be used over sound above grade concrete or wood subfloors. When mixed with Leinweber's Liquid Latex, Jif-Set® is self-bonding with a compressive strength of 2,800 psi after 7 days and 4,600 psi after 28 days. Place up to a maximum of 3/8" per lift.

Jif-Set® powder is packaged in 10 lb. and 25 lb. bags.

Leinweber's Liquid Latex is a  styrene butadiene latex rubber/ silicone liquid (SBR) formulated for use with Jif-Set® powder. It is packaged in 1 gal. and 5 gal. containers.

Mixing Tip

Leinweber's underlayments may be mixed by hand or easily mixed with a 150 rpm drill and mixed for 1 - 2 minutes untill the material forms a consistent slurry.

Jif-Set Product Data Sheet Downloads

Jif-Set Product Data, Instructions, and Specifications
Jif-Set Spec Sht.pdf
Adobe Acrobat document [1.5 MB]
Leinweber's Liquid Latex Product Data, Instructions, and Specifications
Leinweber's Liquid Latex Product Sht..pd[...]
Adobe Acrobat document [47.7 KB]
Jif-Set Powder SDS
PDF File [596.2 KB]
Leinweber's Liquid Latex SDS
Adobe Acrobat document [600.8 KB]