Cast Thresholds ALUMOGRIT®or FERROGRIT®
ALUMOGRIT® and FERROGRIT® cast thresholdsWooster’s anti-slip abrasive cast thresholds are cast to order from a large selection
of architectural designs as shown.
They are of highest quality and heavy duty construction in either
ALUMOGRIT® (abrasive cast aluminum) or FERROGRIT® (abrasive cast iron).
Specifications / Guidelines for Installation / Fasteners
Leed(Alumogrit®) / Leed(Ferrogrit®)
Specify abrasive castings for:
Fasteners: Thresholds are drilled and countersunk for 1/4″ screws unless other fasteners are specified.
Length: Maximum length is 8’6″ in ALUMOGRIT® (abrasive cast aluminum) and 6’0″ in FERROGRIT® (abrasive cast iron).
Notching: Threshold ends can be factory notched for jobsite installation if frame details are furnished.