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Acoustic & Smoke Drop Seals - (Rebated)

The Acoustic Drop Seal Type37R is a rebated automatic door bottom seal which is spring loaded to lift clear of the floor as soon as the door leaf is opened by a few millimetres. Complies with Approved Documents E and M for energy saving and DDA access requirements. The seal forms an effective barrier against the outside climate, noise, light, smoke, insects etc.

Acoustically and smoke tested on proprietary fire doors, suitable for new and retrofit in all types of wooden doors. Designed for rebated applications, mounted into a 13mm x 28mm groove that has been morticed into the bottom edge of the door, it is operated automatically by pressure against the door jamb on its adjusting screw and seals when the door closes and retracts automatically when the door is opened.
Graduated scissor action
(seal drops on hinge side before lock side).
Tested for durability 200,000 cycles completed without failure.

Noise Reduction Index Rw 37dB
Acoustic performances are subject to the door density/style and the type/s of threshold and perimeter seals used.

Finish: Silver Anodised Finish
Suits gaps: 3 to 13mm

330mm, 430mm, 530mm, 630mm, 730mm
830mm, 930mm, 1030mm, 1130mm

Maximum trimming length 100mm

Aluminium carrier. Seal easily removed to prevent damage during installation.