EJOT DDS is a mechanical fixing designed to fix insulation and acoustic boards onto concrete substrates. The textured plastic washer face matches perfectly with the wood wool board textured surface and can also accept a surface coat of plaster.

Steel screw with self-tapping thread for a secure fastening

Integral plastic washer and steel anchor

Easy installation

Short embedment depth

Plastic injection moulded head with wood wool structure available in beige or white - accepts surface coats

Can be used in conjunction with the DDT 70 washer for load-spreading

Recommended substrate Concrete

Head diameter incl. plastic injection moulding: 25 mm
Head diameter with coloured powder coating: 16 mm
Drill hole diameter: 6 mm
Drill hole depth h1 >: 30 mm
Embedment depth in concrete hef>: 20 mm
Screw drive: TORX T30

Applications:
Fastening ceiling and acoustic insulation boards to concrete substrates