Three and Four Hour Fire Rated Floor Doors by Maxam Metal Products
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Manufacturer Maxam Metal Products | Access Panels and Floor Doors
Three and Four Hour Fire Rated Floor Doors by Maxam Metal Products

MAXAM’s Model FHD3R & FHD4R fire rated floor doors are tested for a three hour & four-hour fire rating. These models control the transmission of heat, hot gases, and flames when installing in a rated floor-ceiling assembly. Tested and listed to the first ever 2001 edition of NFPA 288 test standard. They allow for access to equipment and crawl spaces and has been sturdily built to ensure quality and dependability. Tailored to offer simple installation for various design and installation requirements. For standard sized products, heavy duty stainless steel gas cylinders are standard for a 90° opening. All sizes are not available with the optional self-closing mechanism.

 

 

 

STANDARD SIZES

Inside Dimensions W x L FHD3R FHD4R
30" x 24"
30" x 30"
30" x 36"
30" x 48"
30" X 54"
36" x 24"
36" x 30"
36" x 36"
36" x 48"
36" x 54"
41" x 24"
 
41" x 41"
 
41" x 54"
 
42" x 24"
 
42" x 42"
 
42" x 54"
 
42" x 60"
 
48" x 48"
 
48" x 60"
 
62" x 60"
 
64" x 60"
 

 


Additional Product Literature
Data Sheet-3 HR
Data Sheet-4 HR
Size Chart-3 HR
Size Chart-4 HR
Tech-Spec-3 HR
Tech-Spec-4HR
Warranty