RESSA RMD-LY5B Mortised Automatic Door Sweep

When the door is opened, the internal seals of RESSA automatic door sweep
will automatically rise from the ground. When the door is closed, the
internal sealing strip will be down automatically to performance the tight
sealing Some models of this type seal can be fully hidden in the door bottom
groove, the door beautiful surface will not be affected by installation of
the seal.

RESSA automatic door sweeps includes three types with nearly fifty models,
which include

Mortised automatic door sweeps
Full mounted automatic door sweeps
Fireproof Intumescent automatic door sweeps
RESSA fireproof intumescent automatic drop door seal is combined by automatic
drop door seals and reinforced by fireproof intumescent seals, it has the
performance of sealing and fireproofing. The automatic bottom door seal
control the movement of the inner sealing strip through mechanical movement.
When the door is opened, the internal seals will automatically rise from the
ground. When the door is closed, internal sealing strip will be down
automatically to seal the space between door and ground. When meet fire, the
intumescent seals part will start to expand to fulfill the space between door
groove, door frame and ground to prevent the smoke and fire spreading.

Please contact with us on the detailes on each model according to your
specific requirements.

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