SUF1

Description Technical features and measures Tools, guides and downloads

Advantages

DnTw airborne insulation between 50 and 62 dB

L’nTw impact noise level between 58 and 42 dB

Insulation system certified with DIT 439 / R16

Impact noise level towards the upper floor L’nTw < 40 dB

Extended Durability

Compressive strength

Minimum thickness

Easy to adapt to the installations

Does not need a vapor barrier layer

CONFORDAN® 900 improves the loudness of the laminate flooring and gives an extra improvement to impact noise

Application

Public buildings like hotels.

Private residential buildings.

Teaching buildings: schools, universities, nurseries.

Administrative and corporate buildings.

Sanitary buildings: hospitals and residences.

Local daytime hours: cafes, restaurants, bars.

Radio studios.

Music schools: conventional classrooms, auditoriums.

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Technical Requirements

Function	Product	Description	Property	Value
Acoustic insulation at impact noise	IMPACTODAN® 5	Chemically cross-linked and foamed polyethylene sheet.	ΔLW ------ ΔRA	19 dB ------ 4-8 dBA (according to the mortar thickness)
Acoustic insulation is anti-resonant and damping	CONFORDAN® 900	Chemically cross-linked polyethylene foam and high-density membrane.	ΔLW	22 dB

Recommendations

Note: This sheet is included in an acoustic box-in-box system.

Unit of Work

Acoustic insulation on slab, formed by:
Acoustic sheet of cross-linked and foamed polyethylene of closed cell of 5 mm thick, IMPACTODAN® 5, sealed with self-adhesive cross-linked polyethylene tape of 3 mm thick Sealing tape 70 (Cinta de Solape 70), mortar at least 5 cm thick separated of the structure and installations by means of the use of Peripheral band 200 (Desolidarizador Perimetral), according to DIT nº 439 R/16; finishing composed by anti-resonant and damping material, CONFORDAN® 900 of 4 mm thickness and laminate wooden flooring.