Preserve Signal Blog
Practical notes on historic preservation, adaptive reuse, public records, and the project signals worth following.
Start with the project intelligence guide
Learn how state historic tax credits work, how they differ from the federal 20% credit, how projects monetize them, and why HTC activity can signal rehabilitation opportunities.
Read article
Learn how historic brick restoration works, how historic brick repair differs from replacement, and what repointing historic brick should address.
Read article
Learn how historic door restoration works, what can be repaired, how hardware and weatherization are handled, and when replacement may be appropriate.
Read article
A practical guide to historic architectural terra cotta, common deterioration, condition assessment, patching, glaze repair, replacement units, concealed anchors, and more.
Read article
A practical guide to building-code compliance for historic buildings, the International Existing Building Code, historic-building provisions, accessibility, life safety, change of occupancy, and the project signals code review can reveal.
Read article
A practical guide to historic brick and stone repair, compatible mortar, cleaning and repointing, masonry restoration specifications, and specialty firms working in Preserve Signal's coverage area.
Read article
Learn what a preservation plan is, what it typically includes, how it differs from an HSR or conditions assessment, and what it can signal about future work.
Read article
Learn what demolition by neglect means, how local preservation ordinances work, what National Register listing does not require, and what neglect cases can signal.
Read article
Learn how the federal rehabilitation tax credit works, which historic buildings qualify, what expenses count, and how NPS certification works.
Read article
Learn what sacred spaces can mean in historic preservation, how religious properties and sacred sites differ, and what project records can reveal.
Read article