SCREEDING SERVICES

Screeding Services

We can provide a range of screeds to meet all your project requirements. With over 20 years of experience, we have the knowledge to choose the correct screed and the exact quantity of materials to use.

 

Using our screed pumps to site mix the screed gives greater flexibility, ensuring that we have control over standards of materials used and is more economical. We use the finest quality products which means that the standard of our screed is superior.

 

We use a wide variety of products from a range of manufacturers so that we can offer you the most efficient and economical solution for your project.

We Offer the Following Types of Screed And Services:

Sand and Cement Screed

Screed is made from sharp sand, cement and water. It is also known as traditional screed. A pump is used on site to combine these elements into screed. Other products (known as curatives) can be combined with the sand and cement to achieve different functions such as to dry faster. Sand and cement screed can be laid floating, bonded or unbonded depending on the depth laid.


Call us today for advice about your project and a free quotation.

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Fibre Reinforced Screed

Fibre screed, also called PP fibre or reinforced screeding, is excellent in any situation. Polypropylene fibres (referred to as PP fibres) are combined with the sand and cement screed and they are thoroughly dispersed during the mixing process. This practise of combining products to the basic components of screed is called admixtures.

 

The use of fibres inhibits shrinkage, settlement cracking, increases strength, permeability and is more impact resistant. It can be used as a bonded, unbonded, or floating screed, over insulation and with under floor heating. At O. C. Floor Screeding we use it as a standard with all our screed systems as we believe that it provides a superior quality.


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Fast Drying Screed

Fast drying screed allows for rapid drying of the screed. It can receive foot traffic earlier, floor finishes can be laid sooner, underfloor heating can be commissioned quickly, and it will reduce your overall build time. Especially important to consider using it when laying a wooden or engineered floor, as these are the most sensitive to damage by moisture. Standard screed drying times are approx. 1mm a day and a standard depth of screed is usually dry to receive floor finishes in approx. 4-6 weeks. Compared to this, rapid drying screeds can speed up the drying time to hours.

  • What is Fast Drying Screed?

    Fast setting screed normally consists of a specialist liquid hydraulic binder that is added to the screed mix or is provided as a pre bagged cement replacer. Both these types promote increased drying times. Differing strengths and types of fast drying additive allow for differing drying times. They also have the benefit of being stronger with higher compressive strengths. Only semi dry screeds can be fast drying.


    Fast drying screed is suitable for most floor situations such as over insulation and with underfloor heating. It can receive all types of floor finishes. Accelerated screeds have to be mixed in a screed pump to ensure that the additives are thoroughly mixed. It also must be batched in stages as the average working time of the mix is approx. 60 minutes.


    Call us today for advice about your project and a free quotation.

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Polymer Screed

Polymer modified screeds can be laid at thinner depths of 10mm+ and is extremely strong. Polymer screed is a combination of sharp sand and cement strengthened with a polymer resin. Whilst being extremely hard wearing it has increased strength, bonding properties, shrinkage and cracking is minimised, flexural strength is improved, it has water resistant qualities and the added benefit of drying faster than a standard sand and cement screed, at approx. 25mm a week.

 

Polymer Screed is ideal for floors that must bear heavy loads. It can be applied bonded on top of ground floor slabs, precast concrete and suspended floor or unbonded and floating.


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Liquid Screed

Anhydrite screed, referred to as flow, poured and liquid screeding, is ideal for large, continuous spaces. It is self-levelling and is poured directly onto a floor covered with DPM for a fast application. Anhydrite reduces cracking, is lightweight, protein free and high strength. It can be used over insulation and with underfloor heating.


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Granolithic Screed

Granolithic screed is a high strength, hard wearing flooring system. It is ideal for areas that are subjected to heavy compressive weights such as warehouses, industrial units, plant rooms and weightlifting areas etc. It is a combination of sharp sand, cement, granite aggregate and polymer additive that is site batched.

 

Granolithic Screed can be applied bonded or floating at approx. 30-100mm+. Wire mesh reinforcement can be used to form a structural screed. Due to its heavy-duty nature, it can be left as a wearing surface needing no floor finishes.


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Screed Reinforcement

Reinforcement in screeding helps to prevent cracking, curling and shrinkage during the drying process. The reinforcement controls and redirects any cracks that may occur. Screed reinforcement comes in two forms either PP fibre or wire mesh reinforcement.

 

Mesh reinforcement is best for sites that must endure heavy loads and high footfall. Galvanized wire mesh reinforcement is embedded within the screed to improve its strength. It can be combined with other types of screeds to improve the floors performance.


Call us today for advice about your project and a free quotation.

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Floor Preparation

O. C. Floor Screeding has a vast wealth of knowledge built on our years of experience within the industry to advise you on the most efficient floor preparation for your project.

 

Our screeders are trained and experience in the correct application of these primers, damp proof membranes, insulations and sealers.


If you need expert floor screed preparation, call us today for advice about your project and a free quotation.

  • Primers

    Primers are used to bond a screed to the base whether a concrete structure, polythene or metal base. It is important to ensure that the screeding system adheres to the existing base. There is a wide range of primers available for the different types of screed systems and bases.

  • Damp Proof Membranes

    Damp proof membranes (DPM’s) are generally used to separate the screed or insulation from the concrete base and to prevent rising damp. They are generally available in the form of polythene sheeting which is laid prior to the screed and/or insulation. Liquid DPM’s are also available to use in specific situations.

  • Insulation

    Insulation is used to prevent thermal (heat) and acoustic (noise) loss. 15-20% of all household heat loss is via the floor. Insulation comes in a wide range of depths, U Values, compressive strengths (for areas of high foot traffic) and waterproof variants.

     

    Polystyrene or EPS insulation can also be used in some instances to reduce the depth of the screed for cost saving benefits. It is important to ensure that the insulation is laid correctly so that there are no gaps or movement that will affect the performance of the floating screed or floor.

  • Sealers

    Sealers can be used to provide dust proofing of a wearing screed (i.e., where no floor finishes are applied) or to harden the screed. It is applied directly to the screeded floor.

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Need Expert Screeding Services?

Call us today about your domestic or commercial project on 020 7099 6264 and we’ll be happy to help.

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