What is a hollow metal frame?
Hollow metal frames are made from steel sheets of metal that are bent and shaped into various profiles. The metal sheets are cold-rolled to a certain thickness or “gauge”. The lower the gauge the thicker the steel sheet.
Are all hollow metal door frames fire rated?
Hollow metal doors are excellent at limiting the danger and damage of fires. They are the only material widely available with a 3 hour rating.
What makes a hollow metal door frame fire rated?
Five Basic Requirements for a Fire-Rated Opening The wall, door frame, door, and hardware must all be fire rated. The door must be self-closing and positive latching (push/pull plates cannot be used on a fire-rated door) and UL approved hinges must be used.
Who makes hollow metal doors?
ASSA ABLOY Group
ASSA ABLOY Group brands have a broad offering of steel doors, metal frames, energy efficient solutions and aesthetic design options. Each line of metal doors and door frames exemplifies ASSA ABLOY’s dedication to providing reliable and durable door opening solutions.
Is hollow metal the same as steel?
Generally, architects refer to them as “steel” and distributors and manufacturers say “hollow metal”. Please note that they are referencing the same product and the terminology may be used interchangeably.
Is hollow metal aluminum?
Hollow metal frames are ideal in abusive environments since they are more durable than aluminum frames. They are commonly found in hospitals, schools, office buildings and apartment complexes. During manufacturing, hollow metal frames are formed from sheet metal that is bent to the specified profile.
How thick are hollow metal doors?
Hollow Metal Doors are made of channel reinforced steel sheets and filled with insulation materials such as polystyrene, kraft honeycomb, or polyurethane. Standard metal doors are 1-3/4″ thick and are prime coat painted.
Do hollow metal doors have rails and stiles?
The four basic types of construction for hollow metal swing doors are illustrated and identified below. The top edge of Types A and B doors may have only an inverted channel (standard construction) or may have an additional closing channel. Types C and D have tubular rails and stiles, with no edge seams.
Is hollow metal stainless steel?
Stainless hollow metal frames are formed of either 16, 14, or 12-gauge in Type 304 or 316 stainless, No. 3, 4, or 2b mill-finish stainless steel.
Are hollow metal doors safe?
High Security The impact resistance and strength of metal obviously up your security level, but what many don’t realize is that hollow can be safer than solid when it comes to metal doors. And hollow metal doors also have high fire ratings, being as they are, fire resistant.
Why choose Steelcraft?
Designed for institutional, commercial and industrial applications Steelcraft provides an impressive selection of hollow metal frames for virtually any wall condition or entryway requirement. Our focus is on the constant improvement of steel doors and frames, and it is reflected in our products.
Why Steelcraft doors and frames?
Our steel doors and frames set the industry standard. We strive to do the same with our service and support. Steelcraft is committed to delivering best-in-class customer care – making everything from sales to ordering to delivery to installation as smooth and easy as possible. Stay informed.
Are Steelcraft doors made in the USA?
Nationwide Delivery Designed for commercial, institutional and industrial applications, Steelcraft provides a full selection of hollow metal doors and frames for virtually any wall condition or entryway requirement. Known for their high-quality construction and durability, Steelcraft products are SDI Certified and Made in the USA.
Do you have any products available for steel doors and frames?
Our focus is on the constant improvement of steel doors and frames, and it is reflected in our products. No products available. Our steel doors and frames set the industry standard.