Floor Screeding Arnold Nottinghamshire (NG5): When you're renovating your Arnold property with uneven or damaged floors, or maybe converting a basement or cellar into a useful living space, an experienced specialist can provide you with a firm starting point. Before you are able to lay a suitable floor covering, whether it is carpet, wood or tile, the surface of the floor needs to be as flat as is possible; which is why floor screeding is sometimes needed. To ensure a durable and quality finish to the whole floor structure, screeding is a key procedure.
FLOOR SCREEDING EXPERTS ARNOLD
Providing an excellent standard of service, a competent screeding firm in Arnold will have the necessary knowledge, skills and equipment, regardless how big or small the room is that you need levelling. To ascertain the right type of screed you require, and how best to apply it, they'll do a diligent evaluation of your project.
The screeding specialist will also inform you ifis needed for your project, in order to check on load requirements, point loadings and flex strength that your flooring might require to conform with building regulations and British Standards.
The training and skills that a screeding technician brings to your project should guarantee a successful result and help in prolonging the lifetime of your flooring. There are numerous types of floor screed and picking the right mix and laying process is vital to achieve a quality floor that's long-lasting and fit for purpose.
There are numerousspecialists in and around Arnold so if possible get multiple quotes for your project before picking out a contractor and know to what standard of finish is it for. The price quote should be based on what's called the Surface Regularity, or SR calculation. Each of the 3 SR levels offer different standards of finish, with SR1 being the highest quality, with the lowest amount of deviation over the area. Any error in the screeding (as might occur with SR2 or SR3) can cause issues with laying flooring because of flat spots, indentations, ridges in the floor surface.
British Standards BS8204 lays down the regulations and guidelines that all Arnold screeding installers must follow, and if using specialist screeding solutions, (Gypsol, Flowcrete, Cemfloor etc), they should be approved by the manufacturers as being skilled and trained in their use. A contractor holding accreditations indicates they've been trained and assessed in using these products and can provide a high standard of service in all areas of their installation.
Arnold commercialwill be involved in floor screeding in shopping centres, schools, hospitals, warehouses, salons and factories.
TYPES OF SCREED
Standard Screeds - A mixture of sand and cement which is okay for basic domestic use. The ratios involved in standard screeds are 5 parts sand to 1 part cement. After laying a standardmix dries out at a rate of just 1mm/day.
Polymer Screeds - These provide an extremely high level of strength with a reduced thickness. The drying times for these vary according to proprietary product guidelines.
Industrial and Heavy Duty Screed - A screed designed for high load and heavy traffic areas where maximum durability and strength is very important.
Fibre Reinforced Screed - The preferred option where underfloor heating is being installed in residential homes in Arnold. The improved strength and flexibility provided by the special fibres within this screed mix help protect the resulting floor from thermal shrinkage and cracking. It's got a setting rate of one millimetre per day.
Fast Drying and Advanced Drying Screeds - As the name would suggest, these screeds dry at a quicker rate and allow you to use the floor area much sooner. They're normally ascreed which can dry at a rate of between 3-7mm/day per day and are employed in time-sensitive flooring projects.
Liquid or Self-Levelling Screeds - When the highest possible standard of finish is necessary this solution of cement and latex is employed to achieve SR1 level screed flooring. It's mostly used to produce a clean, smooth floor over a damaged or poor quality substrate and results in a surface onto which all kinds of flooring materials can be laid. Even with a depth of only 1mm, the latex polymers within the screed provide a high strength surface for a variety of uses.
SCREEDING PREPARATION AND INSTALLATION
To enable the screeding to be of a high quality finish which is durable and hard wearing, time must be spent on carefully preparing the area prior to any screeding material being poured. Any paint, grease, debris and oil on the original floor level can affect the bonding of the screed, and must be eliminated.
If cleaning products were used it's vital to remove any residues of soap, detergent etc, and allow the surface to dry naturally. If screeding over a cement or stone floor any cracks should be mended to prevent them from "travelling" through the screed layer and resulting in imperfections on the final floor surface. A site survey will enable your Arnold screeding company to identify these preparation areas and complete them before beginning to lay the screeding.
A DPM (damp proof membrane) will be installed once the preparation work has been done to stop ground dampness getting into the flooring materials and screed. Different thicknesses of special polythene might be used as a damp proof membrane and also act as a barrier for the screed and any insulation panels.
A supplementary air-tight barrier could be needed if your house is in an area that is known to be susceptible to radon. If radon is present in large amounts then a full extraction and ventilation system might be needed beneath the layer of screed which will extract any gases that are seeping in from ground level.
The final stage of the surface preparation process is the painting or spraying of a primer or sealer. Primers and sealers help the bonding process and are special applications matched to the kind of screed that's being applied. These products need skilled contractors to apply them in the appropriate ratios by using bespoke equipment, such as airless sprays.
Under floor heating can now be laid out, installed and checked before the screed is applied. The under floor heating system is laid out in the correct pattern and attached firmly to insulation panels to prevent any movement in the course of the screed installation process. Underfloor heating is one of the most effective ways to heat a room and a skillfully installed system should provide even level of warmth in all areas of the floor.
Obviously, if you are not fitting underfloor heating, you can just ignore this stage and get on with applying the screed. Your use of the room will help the screeding specialist on which kind of screed is best for your requirements. For advanced and quick drying screeds there will be at least a 24 hour delay before it can be walked on, and a further 3 days minimum before you can install any flooring materials. If you are hoping to end up with a properly finished and hard-wearing floor surface you should follow the manufacturer's guidelines with regards to standard and heavy duty screeds where the timescale will be increased.
As soon as the screeding has set it can be quality checked to confirm the SR level. Through the use of a two metre straight-edge the floor surface is checked for any dips, ridges and deviations in the screed surface.
- SR1 - Over the whole area, if there aren't any deviations of more than 3 millimetres from the straight-edge, then you've got a top quality SR1 level surface.
- SR2 - The standard flooring in commercial and industrial builds is normally SR2 and has a maximum possible deviation of 5 millimetres across the entire screeded floor.
- SR3 - For a utility area or room where the finish is fairly unimportant the SR3 is the classification and has a maximum deviation measurement of 10mm or less.
If you require load bearing checks, a qualified structural engineer is necessary to perform the tests. Using specialist equipment the structural engineer will ascertain the screed surface strength and its suitability for use in a load bearing environment. This can include a "drop hammer test" which records specific data on the flexibility and strength of the screed. The specialist measurement and testing tools involved mean this can only be undertaken by a trained structural engineer applying the BS8204 guidelines. (Tags: Screeding Arnold, Floor Screeding Arnold, Floor Screed Arnold, Floor Screeding Services Arnold).
Floor Screeding Near Arnold
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Screeding Related Tasks
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