Drain Cover Seals

Description

Drain Cover Seals

Secure critical infrastructure and deter unauthorized access with Tetra Inspection Drain Cover Security Seals. These seals deliver a clear, visible, and reliable method of protecting manhole covers, drain covers, and other external access points where tamper evidence matters.

From the moment of installation, these seals provide immediate security reassurance. If anyone attempts to lift or remove a cover, the seal breaks instantly along its engineered security cuts, clearly indicating interference. As a result, site managers and authorities can identify potential security breaches quickly and respond without delay.

Durable Construction for Demanding Environments

Tetra drain cover seals use high-quality vulcanised rubber, which combines strength with flexibility. Because the rubber absorbs natural movement caused by traffic load, vibration, or temperature changes, the seal remains effective even in unstable environments. Furthermore, the rubber backing works together with twin strips of high-bond black mastic adhesive, creating a strong and lasting bond on rough surfaces.

In addition, the seal design includes two interlocking tamper-evident cuts positioned on either side of the aperture. These cuts ensure that any attempt to tamper with the seal causes immediate and visible damage. Consequently, covert access becomes extremely difficult.

Applications and Use Cases

These drain cover seals suit a wide range of security and infrastructure applications. For example, organisations commonly use them on:

• Manhole and drain covers

• Road and pavement access points

• External utility and service boxes

• Temporary or permanent security installations

Because of their reliability, approved customers such as police forces, government authorities, military contractors, and special protection agencies use these seals extensively.

Product Specification

• Seal size: 70 × 35 mm

• Material: Vulcanised rubber

• Adhesive: Twin strips of high-bond black mastic

• Numbering: Sequential numbering for traceability and audit control

• Supply: Controlled distribution to authorised customers

Installation Procedure

Installation remains quick and straightforward. First, remove the silicone backing liners from the adhesive strips. Next, position the seal so the mastic sits on either side of the aperture. Then, press the seal firmly into place using a small roller or similar tool. For additional bonding strength, users can apply spray adhesive before installation.

Pricing and Customisation

Drain cover seals are supplied in packs of 100. However, for larger volume requirements, customers can contact us directly by phone or email. Sequential numbering comes as standard. Additionally, we offer custom printing on request, with pricing provided following specification review.

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