NGP (National Guard Products) is a leading manufacturer of architectural door hardware, including thresholds, gasketing, seals, and fire safety accessories for commercial and residential doors.
National Guard Products (NGP) is a substantial manufacturer of architectural door hardware and life-safety products. Specializing in the commercial construction industry, NGP provides comprehensive solutions for door sealing, including gasketing, thresholds, automatic door bottoms, and fire door accessories.
Their products are engineered to meet rigorous building codes, offering protection against smoke, fire, sound, and weather infiltration. NGP is widely recognized for its high-quality vision lite frames, louvers, and edge sealing systems designed for hollow metal and wood doors.
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Many NGP thresholds and gasketing products are compatible with hollow metal-type fire doors rated up to 3 hours and wood-type fire doors rated up to 1.5 hours. Always check the specific product certifications on ngp.com.
Yes, most NGP automatic door bottoms (ADBs) can be cut down. Models from 12 to 18 inches generally can be cut down 0.5 inch, while models 20 inches and over can often be cut down up to 1.5 inches. Consult the specific installation guide for exact limits.
No. Do not use power tools to adjust the plunger or adjusting nut on automatic door bottoms. Hand adjustment is recommended to prevent over-adjustment and internal component failure.