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GYPTECH D-WALL is an internal wall solution that uses gypsum blocks (made using calcium sulphate as a base material). These blocks combine the benefits of conventional masonry with contemporary drywall construction. It has all the qualities of masonry: solid, void-free and highly stable; but better as it doesn’t require mortar, sand or plaster. This means the walls are to large degree built without water, Just like dry walls, but not similar to conventional dry walls. For distinction this construction with gypsum blocks is often referred to as massive drywall construction






The Block Know more about our product






The D-WALL non-load bearing internal walls are built using these blocks with a tongue and groove mechanism.



Face Dimensions : 500 mm X 600 mm
Thickness : 100 mm
Weight Per Block : Approx 22 kg
Acoustic Performance : 38 - 42 db (STC)
Dry Density : 650 kg / cubic meter

Features of DWALL PanelsBenefits of using Gyptech DWALL Panels

 |    SOLID

       ♦ 100% mineral
       ♦ 100% robust
       ♦ 100% precise dimensions

 |    DRY

       ♦ No mortar
       ♦ No interior plaster
       ♦ Surface ready after sealing gaps

 |    HEALTHY

       ♦ Biologically safe
       ♦ Non-emitting
       ♦ Does not support mould growth

 |    SUSTAINABLE

       ♦ Resistant to ageing
       ♦ Duration of use more than 50 years
       ♦ Extremely low emissions during production

 |    HYBRID

       ♦ Solid construction, but low mass per
          unit area.
       ♦ Lightweight, but no studwork or cavities.

 |    QUICK INSTALLATION

       ♦ Independent installation alongside the
          construction of the building shell
          and with optional hydro protection.

 |    SOUND INSULATION

       ♦ It contains sounds of up to 42 db
          (general conversation, radio sounds,
          soft music etc.) same as any other
          masonry internal wall without any
          sound proofing treatment.

 |    FIRE PROOF

       ♦ Can achieve 3 and 4 hour fire-resistive
          ratings.
       ♦ Totally non-combustible once
          completely built.

 |    Other Features

       ♦ Traditionally as single-leaf and double-
          leaf partition walls.
       ♦ Proven to be comparable to walls that
          are 220 kg/m² heavier as installation
          walls.
       ♦ Ideal for independent wall linings.
       ♦ Highly efficient as shaft walls.
       ♦ As highly efficient cladding for columns
          for fire protection.
       ♦ In Nordic countries it is classified EI
          90-M firewall, which is a standard for
          reliable, functional and offers a good
          soundproofing. It fits perfectly to
          protection need against fire for schools,
          multipurpose halls, cultural centers.
       ♦ Also as safe, lead-free radiation
          protection blocks in X-ray facilities.

MANUFACTURING PROCESS

A gypsum block is made of calcined calcium sulphate powder with additives and water. The manufacturing process is automated at production plants where the process called calcination takes place. The plaster is then mixed with water, stirred and poured into molds to form gypsum blocks with standard formats.

Each block is moulded with tongue and groove at all sides, to enable quick and easy assembly. Still wet, the gypsum blocks are taken out of the molds and put into drying chambers. The dried gypsum blocks are packaged at the production plant and then transported to warehouses or construction sites.

The use of gypsum block was very common for interior partitions for many decades. In the United States, the marketing for this tile was phased out by the mid-1970s. In Europe gypsum blocks are still widely used and are gaining popularity as a building material with very low emissions of volatile organic compounds, extremely low radiation values and a neutral pH value that contribute to a healthy living environment.

BenefitsWhy use DWALL internal wall solutions

Wet factory finish panel
Ready to install at site with minimum efforts
Fast & Reliable Construction
High impact strength
No need of Plaster and Water Curing
Easy to Chisel and finish
Can take up to 20 Kg point load and can be nailed
Steady wall without capillary movement of water
High Glossy finish (ready to paint)
No Pilferage
Good Acoustic performance


Installation & ApplicationIncluding Precautions

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1.

Clean the floor and ensure the floor is flat and level before commencing laying of blocks.

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2.

Use either a chalk line or a timber runner to set out the walls.

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3.

The first line of DWALL panels is laid on the floor on a bed of DWALL glue. Ensure line and level while laying the first line of Panels.

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4.

The placement of the first block in the second row begins with a half block, to form a staggered pattern and not have each one in straight columns.

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5.

Horizontal tongue and groove are interlocked. This will squeeze out excess glue from the joints. This must be removed after 30 minutes.

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6.

Integrate a soft joint between the top of the last row of blocks at the top and the ceiling to avoid load transfer. Cut the panel where necessary to fit required dimensions.

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7.

Intersecting walls should be either bonded in or tied with metal ties.

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8.

The wall is now ready for a rendering finish. If a higher quality finish is required a skim coat maybe applied to the entire wall.

9.
Use correct tools
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Avoid using Chiselling, hammering or other impact tools.

Gyptech© Gypsum Plaster



Gyptech Gypsum Plaster is a premixed single application plaster made from calcium sulphate hemihydrate to which additives have been added to improve performance and workability.

Salient Features

Premixed - Light weight plaster
Easy workability. Easy to mix - Easy to apply
Less water consymption. Water curing not required
Free from inherent shrinking cracks
Classified as non-combustible
Low thermal conductivity
Low density
Light weight - better strength to weight ratio
Quick drying - achieves total strength within 48 hours
Better sound absorption
Better paint coverage
Shelf-life - 3 months if stored in cool and dry place


RANGE

 |    Technical Data

Application       :       For interior walls
Packaging       :       20kg Bag
Colour of finished surface       :       White
Bulk Density kg/m3       :       780
Setting Time       :       20-22 minutes
Coverage       :       20-22 sq.ft.
(20kg bag at 12mm thickness)  
Compression strength-Mpa       :       7-8



Comparison

Feature Gyptech Sand & Cement
   Density Low High
Thermal Conductivity     Low High
Humidity Regulated Unregulated   
Cracks No Cracks Cracks may appear
Finish Smooth Rough
Light Reflection >80% <50%
Curing No Curing Required

Universal Gypsum Plaster

Vermiculite based uUniversal Gypsum Plaster increases the strength and fire retardant properties.

Perlite based Universal Gypsum Plaster to get the extended coverage.

 |    Technical Data

Application       :       For interior walls
Packaging       :       20kg Bag
Colour of finished surface       :       White
Bulk Density kg/m3       :       700
Setting Time       :       20-25 minutes
Coverage       :       23-25 sq.ft.
(20kg bag at 12mm thickness)  
Compression strength-Mpa       :       8-9


Application Procedure

Reference Mark
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Place wall reference marks.

Mixing
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Mix Gyptech Gypsum Powder in water.
(Gypsum-water ratio = 2:1)

Blending
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Stir and mix thoroughly to make a uniform lump-free paste.

Application
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Apply fresh material paste on the wall with trowel.

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