Monthly Archives: May 2012

How do Natural Hydraulic Lime Mortars Compare to Common Type-O Mortars Containing Portland Cement?

For well over 30 years it has been common practice to prescribe the use of a Type-O masonry mortar for use on the conservation of masonry buildings. The most common formula of a Type-O mortar is 1:2:9, a blend of 1 part white Portland cement, 2 parts Type-S hydrated lime (most often dolomitic lime) and […]

Yes, We Can Save The Frank Furness 19th Street Baptist Church

This beautiful church was designed by Frank Furness and is located at the corner of 19th and Titan in South Philadelphia.  It almost went the way of many Furness structures; due to neglect and time the church leadership is under pressure to begin repairs or plan for it to be demolished due to unsafe conditions […]