Spencer R. Higgins, Architect Incorporated
Practice	Projects	arconTEST	Expertise	Contacts
Architectural	Heritage Planning	Building Science
Testing	Materials	Services Available
	Mortar	ASTM C-67	Brick Sampling
	Grout		Building Stone Evaluation
	Structural		Masonry Cleaning Evaluation
			Microscopic Examination of Sections
			Paint Layer and Colour Identification
		ASTM C-406	Roofing Slate Testing
		ASTM C-241	Stone Abrasion Resistance
			Stone Identification and Testing
			Stone Deterioration
Conservation
Recording