3701 Fortified Mortar is a polymer fortified blend of carefully selected
polymers, portland cement and graded aggregates. 3701 Fortified
Mortar does not require the use of latex admix, you only need to add
water to produce thick bed mortar with exceptional strength. 3701
Fortified Mortar is an approved substitute for 226 Thick Bed Mortar
mixed with 3701 Mortar Admix.