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Construction Specialties Building Knowledge Blog

Expert guidance on specifying architectural specialty products — from louver selection to Division 10 specification writing.

Building Knowledge

MSZ-HR35 Filter Replacement: OEM vs Aftermarket — What My $1,400 Mistake Taught Me

A facilities manager compares OEM vs third-party replacement filters for the Mitsubishi Electric MSZ-HR35. Covers spec fit, filter material quality, the adhesive remover trick nobody tells you about, and why 'how much is a roll of stamps' is actually the right question to ask about maintenance budgets. […]

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Building Knowledge

Where to Buy Salt and Stone, Glass Cutters, and Construction Specialties: A Procurement Reality Check

A pitfall-documenter's comparison of general suppliers vs. specialty vendors for construction products — from glass cutters and glass doctor services to where to buy salt and stone. Includes TCO breakdown and hard-won lessons from $28K in documented mistakes. […]

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