Pemko 4131 Surface Applied or Semi-Mortise Automatic Door Bottom

Non-Handed, Surface and Semi-Mortise

• Smoother action positive seal mechanism. All Pemko automatic door bottoms consist of an aluminum case which surrounds
• a movable drop-bar seal. The drop-bar seal is actuated by a plunger which contacts the jamb as the door is closing,
• forcing the drop-bar seal down against the floor / threshold.
• All models (except #430 and #412) are non-handed and reversible. Installation is fast and easy because disassembly is
• not required to change handing: simply flip the automatic door bottom and you've reversed the hand. The clean
• symmetrical square-shaped case design also provides for even flush mounting.
• The 4131 can be mounted to either wood or hollow metal doors.
• Screw applied end plates are provided for all mounting applications.
• All Pemko automatic door bottoms seal up to a 3/4" gap under the door except 420 and residential models which seal
• 1/2 maximum.
• Available in any size ranging from 18" to 48".
• All Pemko automatic door bottoms are provided NET length.
• All Pemko automatic door bottoms can be trimmed down by as much as 2" (stock lengths only). If non-stock sizes are
• ordered, order must note need to trim
• 2 inches from the size ordered.

Ratings

• Air Infiltration Tested
• Sound Tested - ASTM E90
• BHMA Certified
• Smoke Tested - UL1784
• Fire Rated - UL10C - Positive Pressure
• Underwriters Laboratory 4L10
• GREENGUARD Gold Certified

Finishes

• 4131BDGSL: BDG - Bright Dip Gold Anodized Aluminum with Black Sponge Silicone insert
• 4131CSL: C - Clear Anodized Aluminum with Black Sponge Silicone insert
• 4131DSL: D - Dark Bronze Anodized Aluminum with Black Sponge Silicone insert
• 4131SNSL: SN - Satin Nickel Anodized Aluminum with Black Sponge Silicone insert