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Speedline High Impact Acoustic Drywall System

Speedline is the popular brand of high quality drywall accessories

Acoustic Stud has design features that offer excellent acoustic and installation benefits when combined with appropriate Wallboards, and High Performance Insulated Plasterboards as described and available from this web site.

Using the correct wallboards can ensure ...

High strength and abrasion resistance

Excellent acoustic performance

Smooth surface finish for ease of decoration

Ideal substrate for ceramic tiles

Integral moisture and mould resistance

Easy to cut, fix and finish

 

Together with Knauf or Gyproc plasterboards Speedline can create a high impact acoustic and thermally efficient wall systems

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Stud and Track Partitioning Systems

An economical friction-fit system to assemble frames for strong, compact, lightweight non load bearing partitions, Metal stud partitioning is ideal for use in domestic and commercial situations, for heights up to 12m and a wide range of partition thicknesses.

Benefits:

Quick to erect, lightweight and clean

Metal Stud is dimensionally accurate and will not twist or bow

Range of stud widths – 48mm, 50mm, 60mm, 70mm, 92mm and 146mm to meet different performance requirements

Services are easy to install

Mineral wool can easily be installed to upgrade sound insulation

Easy to cut to length using tin snips

Frames easily fit together

Door frames simply formed

Installation

Spliced Studs

In order to extend them, single C Studs can be easily spliced together. Be sure to overlap the C Studs at least 600mm and fix them together with steel pop rivets, stud interlocking tool or wafer head screws on both flanges.

Boxed Studs

To create greater rigidity and height and to provide support at doorways, C Studs may be boxed together. To enable this the bearing faces of the C Studs are asymmetrical – 32mm and 34mm – simply nest short and long faces alternately and snap together.

Service Holes

All C and I studs are manufactured with 3 service holes to allow electrical cables and pipes to run through the partition. Service hole positions are:

Hole 1 – 300mm from end to centre of hole

Hole 2 – 900mm from end to centre of hole

Hole 3 – 1500mm from end to centre of hole

All C Studs have rectangular service holes 32mm wide x 75mm long.

When installing, ensure that electrical cables that pass through floor or ceiling are protected by grommets when installing studs.

For speedy, accurate installation the use of an electrically or battery operated screw gun is recommended.

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Acoustic Stud Partitioning Systems

A cost-effective way to achieve improved acoustic performance in both domestic and commercial situations Speedline Acoustic Stud has built in discontinuity which results in improved sound insulation.

Acoustic Stud is designed to offer better sound insulation in the key speech frequency bands (250 to 1000 Hz) whilst maintaining structural strength and integrity.

This enables slimmer partitions to be constructed, maximising floor space but still satisfying high acoustic requirements.

Benefits

Extremely cost-effective

Ideal for domestic and commercial use

Reduced installation time

Slimmer partitions maximise floor space

Quieter living spaces

Greater sound insulating performance

Reduces the transfer of common noise

 

 

Installation

Acoustic Stud Partitions built using Acoustic Stud are constructed in exactly the same way as our standard C Stud partitions. All existing track sections can be utilised with Acoustic Studs. Plasterboard fixing centres are also the same.

Flanking Noise

Flanking Transmission occurs when sound travels along elements shared by adjacent structures. Sound does not always travel straight through the building element.

If the wall, floor or partition concerned has good sound-reducing capabilities, the sound will travel from A to B by the easiest route, often around the sides or over the top.

It should be bourne in mind that flanking transmission can exceed direct transmission and damage the overall capabilities of the construction if flanking constructions are not correctly specified and constructed.

To overcome this problem of flanking, any gaps in the installation must be filled with acoustic sealant on all edges and on both sides of the partition.

Construction

Partitions built using Acoustic Stud are constructed in exactly the same way as those built using standard C Studs.

All existing track sections can be utilised with Acoustic Studs and plasterboard fixing centres will be exactly the same. Attention to detail is essential.

Care must be taken in construction to ensure a soundproof structure performs to its maximum capability. As sound - like water, light or air – will find the smallest crack and expose it as a weak point, your structure should be built as if it needs to be waterproofed.

For example, a single 25mm hole in an otherwise acoustically sound partition can reduce performance by up to an incredible 15 dB.

Although a 25mm hole should be visible a crack 1mm x 1m will not always be obvious and, if not treated with an acoustic sealant, will be detrimental to the structure.

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Partitions Using Resilient Bars

Where Speedline Resilient Bar is to be fixed to timber or metal studs, the following centres apply.

For single layer boarding, fix Resilient Bar at 400mm centres.

For double layer boarding, fix Resilient Bar at 600mm centres.

 

Fix the initial Resilient Bar 50mm down from the ceiling and the last bar 50mm from the floor. Screw fix the Resilient Bars to the Studs using Wafer head Self-Tapping Screws.

Screw fix the wallboard to the Resilient Bar only, ensuring the screw does not touch the metal substrate.

Bars are joined by putting together on the stud.

Reduced overall construction nominal width

Pre-completion testing needed

Part E requirements:

New Build 45dB Dntw + Ctr

Refurbishments 43dB Dntw + Ctr

All sound insulation data is based on laboratory evaluation of the building element in isolation and cannot reproduce your installed local conditions.

Wall Lining

By replacing the wet trade alternative, the Wall Liner system offers practical, cost-effective lining to meet the needs of fast-track building methods. It also has a low thermal capacity with a crack resistant surface so paint or ceramic tiles can be applied directly.

Compatible with all Speedline partition and suspended ceiling systems, Wall Liner can be used with a range of gypsum plasterboards and thermal laminates to line brick, block and concrete walls that are dry and protected within the building envelope.

Most Common Builds:

Two layers 12.5mm Sound Resistant plasterboard, subject to board having combined mass of 22 kg/m2, or

12.5mmbSound Resistant plasterboard outer leaf and 19mm plank inner leaf (mounted horizontally). Subject to combined mass of 22 kg/m2.

Two or more layers of gypsum based board minimum (total nominal mass per unit area 22 kg/m2) both sides.

All joints staggered.

Wall Width

200mm (min) between inner faces of wall linings.

Absorbent Material

One layer 50mm (min) unfaced mineral wool batts (density 33-60 kg/m3), or

Two layers 25mm (min) unfaced mineral wool batts (density 33-60 kg/m3), or – two layers 25mm (min) unfaced mineral wool quilt (density min 10 kg/m3).

Refer to robust details specification for checklists snd construction details.

Standards

Keep wall linings at least 200mm apart

Ensure the batts cover whole wall area and are fitted together tightly

Make sure batts are not tightly compressed by the twin frames

Ensure that all cavity stops/closers are flexible or are fixed to one frame only

Make sure there is no connection between the two leaves except where ties are necessary for structural reasons

Stagger joints in wall linings to avoid air paths

Seal all joints in outer layer with tape or caulk with sealant

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Wall Lining Systems

Quick, simple and cost-effective to use, Wall liner is suitable for internal use in all commercial and domestic applications.

Can be used to dry line masonry backgrounds, uneven walls, walls with surface-fixed services and for concealing services.

Can create a cavity width between the wall and the back of the plasterboard lining ranges from 25 to 130mm

Benefits

A completely dry system using secure mechanical fixings

Surface-mounted services can easily be accommodated

Secure fixing into existing background is essential when installing this system

Suitable for fixing all types of plasterboard, the Wall Liner system is easily cut to length, fits easily together and creates a seamless surface that will receive most decorative finishes. It creates a void above the ceiling for services.

Mineral wool can be incorporated for thermal or acoustic insulation. It is also an excellent system for levelling poor concrete and wooden floors.

Installation

Before installation, walls must be treated for any damp

By replacing the wet trade alternative, the Wall Liner system offers practical, cost-effective lining to meet the needs of fast-track building methods.

It also has a low thermal capacity with a crack resistant surface so paint or ceramic tiles can be applied directly.

Compatible with all Speedline partition and suspended ceiling systems, Wall Liner can be used with a range of gypsum plasterboards and thermal laminates to line brick, block and concrete walls that are dry and protected within the building envelope.

Construction

Establish the depth of the cavity and fix wall liner track at 600mm centres to the floor and ceiling with the shallow leg towards the wall.

At max 800mm centre,fix brackets to the wall. Only one bracket is required for heights up to 2.4 metres, though brackets must not exceed 1200mm centres on walls more than 2.4 meters high.

Cut Wall Liner Section to length and slot it into the top and bottom track. Adjust brackets to suit board tolerances before final tightening, then fix with self-drilling screws to the side of the Wall Liner Section. If a bracket protrudes beyond the face, simply bend the overhang over. Fix 1200mm wide plasterboard at suitable centres using 25mm drywall screws.

Fixtures

Heavy or medium to heavy fixtures - such as heating units, radiators, cupboards and washbasins - must be fixed with proprietary anchors which are long enough to pass through the cavity and penetrate the masonry background to a suitable depth. Additional framing may be required to support heavy weight items

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Manufacturer's Contact Details

CPD Distribution plc
17 Europa View, Sheffield Business Park, Sheffield, S9 1XH
Tel: 0114 2318030 Fax: 0114 2318031
Email: speedline@cpdplc.com Web: www.speedlinedrywall.com

This page was last updated Wednesday, February 1, 2012

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