Historic Natural Lime Putty Mortar

Traditional natural lime putty mortar is a carbonating/drying type of mortar. Of all of the historic mortars available it is the softest, most flexible and breathable. Ideal use is for old soft bricks, soft stones, stuccoes, and plasters. Most structures built prior to 1900 use this mortar.

Historically, the term “fat lime” refers to a mortars work-ability.  What makes a “fat lime” is the high calcium content. Our natural lime putty mortar utilizes “fat lime” having a 98.4% calcium content. Unbeatable in historic mortars!

This mortar is easily customize-able using different sands and pigments for a variety of joint sizes, stuccoes and plasters.  The sand, installation and curing of Lime Putty Mortars/Stuccoes require attention to detail. Lancaster Lime Works natural lime putty mortar is premixed with sand. No need to source materials! Rigorously mix before installation!