HD1047 Hush System Underscreed B/B

A fully developed economical sound insulation system between separating floors.

Features and benefits:

• For use in refurbishment, conversion and new build developments where a beam and block structure is in place.
• Building Regulations Approved Document E (E&W), Technical Handbook Section 5 (Scotland) and Technical Handbook G (Northern Ireland) compliant.
• Achieves a one-hour fire resistance.

Components:

• 65 mm thick sand/ cement screed – supplied by others.
• Under Screed Acoustic Membrane.
• Hush RD – to isolate the perimeters of the screed.
• Beam and block concrete structure – supplied by others.
• Hush MF Ceiling System – installed to the underside of the structure.
• Hush Slab 100 – fitted tightly together within the ceiling void.
• Two layers of 12.5 mm thick Gyproc Soundbloc plasterboard – supplied by others.

Acoustic Performance *

Impact (L’nT,w) - 48 dB

Airborne (DnT,w) - 51 dB

Airborne (DnT,w + Ctr) - 49 dB

* Results based on the full Hush System HD1047 being using and installed as listed above. All flanking paths must be treated correctly.

Product benefits

·     Complies with UK Building Regulations, including Approved Document E Similarly

Versatile - the Hush Over Screed Membrane which has been designed to isolate a screed from the structure