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cementitious smoothing underlayments & rapid-set screed additives vebroscreed

What is vebroscreed and where is it installed?

vebroscreed is range of cementitious smoothing underlayments & rapid-set screed additives that have been designed to prepare the sub-floor prior to the installation of floor coverings and finishes including laminate, tiles, vinyl, carpet, wood and polymer flooring.

vebroscreed can be installed on any concrete substrate to improve, repair or level out any undulations or imperfections in the substrate that may compromise the ability to install or the finished quality of the chosen floor covering.

vebroscreed can be installed bonded, unbonded or floated as well as with or without underfloor heating pipework.

What are the main benefits of choosing vebroscreed systems?

vebroscreed flowable cementitious smoothing underlayments and levelling systems are ten times faster to install than traditional semi-dry sand cement screed and can drastically reduce the required screed depth, thus improving the thermal efficiency of the building through the use of thicker floor insulation. This reduced depth also leads to reduced weight and drying times.

What vebroscreed options are available?

vebroscreed smoothing underlayments are available in powder form, in pre-sized and weighted bags that can be mixed with water and applied at a range of thicknesses to meet strengths and drying times that can be matched to your specific requirements.

vebroscreed rapid-set screed additives are available in both liquid and powder form and can be used in conjunction with site batched screeds to accelerate drying times and speed up construction programmes. 

vebroscreed can also be used as a retaining screed in conjunction with underfloor heating systems.

vebroscreed Systems

v-Cem

v-Cem

v-Cem is mixed with graded aggregates and water to produce a rapid drying, high strength, shrinkage-compensated screed laid at depths between 10.0 mm – >55.0 mm prior to the installation of commercial floor coverings such as carpet, ceramic and terrazzo tiles, laminate, wood and vinyl as well as thick coverings or hard wearing resin finishes.

vebroscreed Renovate Packaging

vebroscreed Renovate

vebroscreed Renovate is an 8 hour overcoat, single part, fibre reinforced, cementitious smoothing underlayment, incorporating a blend of graded fillers, fine cements and polymers, with excellent flow properties.

vebroscreed Renovate Rapid Packaging

vebroscreed Renovate Rapid

vebroscreed Renovate Rapid is a rapid-drying, single-part, fibre reinforced, cementitious smoothing underlayment screed, incorporating a blend of graded fillers, fine cements and polymers, with excellent flow properties.

vebroscreed Industrial Packaging

vebroscreed Industrial

vebroscreed Industrial is a deep-fill, rapid-setting and hardening, high strength, single-part, cementitious smoothing underlayment screed that can be applied up to depths of 50.0 mm prior to the installation of thick floor coverings or resin finishes.

vebroscreed Commercial

vebroscreed Commercial

vebroscreed Commercial is a rapid-setting and hardening, single-part, cementitious smoothing underlayment screed that can be applied from depths of 2.0 up to 20.0 mm prior to the installation of commercial floor coverings such as carpet, ceramic and terrazzo tiles, laminate, wood and vinyl.

vebroscreed Top Packaging

vebroscreed Top

vebroscreed Top is a fine flow, high-strength, single-part, cementitious wearing screed and smoothing underlayment, incorporating a blend of graded fillers, fine cements and polymers.

vebroscreed X

vebroscreed X

vebroscreed X is a rapid-drying, single-part, pour or pump-applied, cementitious smoothing screed, designed to repair or level external or semi-exposed concrete surfaces.

v-Screed Fast Packaging

v-Screed Fast

v-Screed Fast is a fast-drying, liquid, screed additive, designed to accelerate the drying time and reduce the moisture content of traditional sand and cement site batched screeds between 15.0 – 100.0 mm.

v-Screed Rapid Packaging

v-Screed Rapid

v-Screed Rapid is a rapid-drying, powder, screed additive, designed to accelerate the drying time and reduce the moisture content of traditional sand and cement site batched screeds between 15.0 – 100.0 mm.

vebroscreed SBR Packaging

vebroscreed SBR

vebroscreed SBR is a single component, modified, styrene butadiene liquid additive and bonding agent designed to enhance both the physical and chemical properties of cementitious mortars.

vebroscreed Primer Packaging

vebroscreed Primer

vebroscreed Primer is a moisture tolerant, water based polymer primer, sealer and bonding aid suitable for use on porous and non-porous substrates.

vebroscreed Technical Data

TitleSolutionsApplicationsDownload
v-CemvebroscreedCommercial Venues, Institutional Buildings, Retail & Shopping Centres

v-Screed FastvebroscreedCommercial Venues, Institutional Buildings, Retail & Shopping Centres

v-Screed RapidvebroscreedCommercial Venues, Institutional Buildings, Retail & Shopping Centres

vebroscreed CommercialvebroscreedCommercial Venues, Institutional Buildings, Retail & Shopping Centres

vebroscreed IndustrialvebroscreedCommercial Venues, Industrial & Manufacturing, Institutional Buildings, Retail & Shopping Centres

vebroscreed PrimervebroscreedCommercial Venues, Institutional Buildings, Mixed-Used Developments

vebroscreed RenovatevebroscreedCommercial Venues, Institutional Buildings, Mixed-Used Developments

vebroscreed Renovate RapidvebroscreedCommercial Venues, Institutional Buildings, Retail & Shopping Centres

vebroscreed SBRvebroscreedCommercial Venues, Institutional Buildings, Retail & Shopping Centres

vebroscreed TopvebroscreedCommercial Venues, Industrial & Manufacturing, Institutional Buildings, Retail & Shopping Centres

vebroscreed XvebroscreedIndustrial & Manufacturing, Multi-Storey Car Parks

vebroscreed FAQs

vebroscreed

What is the difference between bonded, unbonded and floating screeds?

Proprietary quick / fast drying semi-dry screeds, such as v-Screed Fast and v-screed Rapid, are suitable to be installed in the following types of installation…

Bonded

Bonded Screed Application

The screed is laid onto a mechanically prepared and suitably primed substrate using a priming adhesive such as PVA (polyvinyl acetate), SBR (styrene butadiene rubber), epoxy resin, or as a slurry combination (using PVA or SBR suitably mixed with cement with the intention of maximising potential physical / chemical bond).

Unbonded

Unbonded Screed Application

The screed is intentionally separated from the substrate by the use of a membrane (usually a plastic sheet, building paper / house wrap, or a cavity drain).

Floating

Floating Screed Application

The screed is laid on thin sheet acoustic insulation, rigid thermal insulation or a void former with a separating membrane placed onto the rigid thermal insulation or void former.

What’s the difference between semi-dry traditional and proprietary fast / quick drying screeds?

What is a semi-dry, sand & cement screed?

A traditional semi-dry screed essentially consists of sand & cement, mixed at a ratio of between 3 to 5 parts sand & 1 part cement. In the majority of cases 4 to 1 is sufficient.

In the past, reinforcement was achieved by using hex wire (chicken wire) or D49 mesh. However, in the early 1990’s polypropylene fibres (PPF) started to become very popular, and today PPF is the most common used reinforcement used for traditional floor screeds.

By definition, a screed relies on water being one of the principal components added, and with watering involved the screed can shrink. To avoid shrinkage cracking occurring throughout the screed, appropriate polypropylene fibres can be added. Other additives, such as those with water reducing and strength gaining properties, can also be added to make the screed dry more quickly.

Traditional semi-dry screed drying times vary according to the weather conditions, humidity level and depth, as well as any admixtures that have been incorporated into the screed. Traditional semi-dry screeds generally dry at a rate of 1.0 mm/day for the first 40.0 mm, and 0.5 mm thereafter after the screed has been cured for 7 days.

Semi-dry floor screed systems are the only reasonable method to achieve a floor in a wet room type areas laid to falls.

What is a proprietary fast / quick drying, sand & cement screed?

Screed mixes generally contain more water in them than is required to hydrate the cement. Around 40–50% of the water added to a screed mix is used to hydrate the cement, whilst the remaining 50–60% takes up the role of making the screed workable in terms of ease of application.

A proprietary or fast / quick drying semi-dry screed (whilst being based on the same sand & cement ratio as a traditional semi-dry sand & cement screed) differs by the additional inclusion of either a liquid or powdered additive to quickly reduce the level of retained moisture within the screed. These types of additives allow for floor coverings or resin coatings to be laid over the screed much earlier than would be possible with semi-dry traditional screeds.

Additionally, the incorporation of such additives promotes quicker physical strength gain, facilitating early access to follow-on trades. The reduced water demand in these types of additive-incorporated screeds also reduces shrinkage compared with traditional sand & cement screeds.

Want to know more?

For more advice on vebroscreed systems or to discuss options for your next project, contact our expert team…

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