Standard 6 Deteriorated historic features will be repaired rather than replaced. Where the severity of deterioration requires replacement of a distinctive feature, the new feature will match the old in design, color, texture, and where possible, materials. Replacement of missing features will be substantiated by documentation and physical evidence.

What Principle(s) does this Standard address?

Standard 6 Deteriorated historic features will be repaired rather than replaced. Where the severity of deterioration requires replacement of a distinctive feature, the new feature will match the old in design, color, texture, and where possible, materials. Replacement of missing features will be substantiated by documentation and physical evidence (Principles of Compatibility and Research & Documentation).

Replace in Kind

Only Replace What is Deteriorated

Repointing Brick Mortar Joints

Brick Wall or Mortar Joints

Effect of Tinted Glass

Standard 7 Chemical or physical treatments, if appropriate, will be undertaken using the gentlest means possible. Treatments that cause damage to historic materials will not be used.

What Principle(s) does this Standard address?

Standard 7 Chemical or physical treatments, if appropriate, will be undertaken using the gentlest means possible. Treatments that cause damage to historic materials will not be used (Principles of Minimal Intervention, Compatibility, and Reversibility).

Avoid Treatments that Cause Damage

Use Test Patches

Use the Gentlest Means Possible Use Test Patches and Let Weather for a year

Standard 8 Archeological resources will be protected and preserved in place. If such resources must be disturbed, mitigation will be undertaken.

What Principle(s) does this Standard address?

Standard 8 Archeological resources will be protected and preserved in place. If such resources must be disturbed, mitigation will be undertaken (Principles of Minimal Intervention, Authenticity and Integrity, and Research and Documentation).

Protect Archeological Resources