Floor Screeding Thame Oxfordshire (OX9): You should speak to a company in Thame if you are renovating a property or basement, have a damaged or uneven floor or are planning to install under floor heating. A screed is used to generate a smooth floor surface on top of a concrete sub-base and provide a solid base for your choice of top flooring material. Floor screeding can provide a durable, quality floor surface for almost any room.
FLOOR SCREEDING COMPANIES THAME
Having all of the experience and know-how to help you achieve a perfectly finished floor in whichever size room you're renovating, a reputable screeding specialist in Thame is the best choice for your screeding task. To establish the correct type of screed you require, and the most effective way to apply it, they will do a thorough assessment of your project.
It may be a requirement, contingent on the intended use of the space, for a survey by a structural engineer to conform with building regulations on flex strength, point loadings and load requirements of the screed floor.
The training and skills that a certified screeding contractor brings to your project will guarantee a successful outcome and help to lengthen the lifespan of your floor. A correct blend of screed and the way it is laid is also vital to ensure the final quality of your floor surface.
Before picking out a floor screeding specialist from the many operating in the Thame area, ask to what standard of finish they're basing their quote, and also make certain you get two or three quotations. The price quote should be based on what's known as the Surface Regularity, or SR number. Each of the three SR levels provide different levels of finish, with SR1 offering the best, with the smallest amount of deviation over the area. This means you may need to correct any areas that might cause issues when laying your finished flooring material.
The guidelines and regulations specified in the British Standards BS8204 must be observed by any Thame floor screeding contractor and they should also be accredited by the manufacturers of specialist screeding materials (Flowcrete, Cemfloor, Gypsol etc.) to prove their safe working practices and competence. The assessment and training of a screeding company by such manufacturers is underlined by the use of this accreditation scheme, and gives assurances of reliability and safe working practices on any screeding project which involves their materials.
For the screeding of floors in hospitals, shopping centres, schools, factories, warehouses and salons, skilled commercial screeders in Thame will be required.
TYPES OF SCREED
Standard Screeds - This is perfect for everyday residential use and comprises a combination of cement and sand. This mixture uses a five to one ratio of sand to cement. This 5:1 ratio standardwill set hard at a rate of one millimetre per day after laying.
Self-Levelling or Liquid Screeds - When the highest possible standard of finish is necessary this mixture of latex and cement is used to produce SR1 quality floor screeding. Largely used to finalise a poor substrate level or damaged floor to enable the laying of a brand new flooring surface, such as tiling over the top of it. Even with a depth of just one millimetre, the latex polymers within the mixture provide a high strength surface for a wide range of uses.
Polymer Screeds - When a decreased thickness of floor is required because of building factors, a polymer screed provides an extremely high strength resolution to the situation. Polymer screeds are available from a number of screed manufacturers and because of their varying chemical compositions have specific drying times for each product.
Fibre Reinforced Screed - The expert's choice for domestic use over the top of underfloor heating. This is because of the improved durability and protection against thermal shrinkage and cracking offered by the fibres within the screed. At about one millimetre per day, it has a similar curing rate to standard screed.
Fast Drying and Advanced Drying Screeds - If you need to use the floor at the earliest opportunity a fast drying screed may be used. They are usually akind of screed which can dry at a rate of between 3-7mm/day per day and are used in time-sensitive projects.
Industrial and Heavy Duty Screed - Where traffic levels are expected to be high or heavy loading of the floor is needed, heavy duty screeds allow for maximum strength and durability.
SCREEDING PREPARATION AND INSTALLATION
Preparation is vital for a quality finished screed surface that will be hard wearing and durable. Any debris, oil, paint and grease on the existing floor surface can adversely affect the bonding of the screed, and must be eliminated.
Any cleansing chemicals which are used during this stage shouldn't leave any residues, and the floor surface must be permitted to dry by itself naturally. It's essential to mend any cracks or crevices in the surface to avoid them being mirrored and "travelling" upwards into the newly screeded floor. An experienced Thame screeding company will take note of such aspects during the site survey and ensure all preparations are finished before applying the next stages of the screeding process.
A DPM (damp proof membrane) will be installed once the preparation work has been finished to stop ground moisture affecting the screeding and floor materials. There may be 2 or 3 layers of varying thickness polythene to act as a barrier between the screed and the insulation layer.
If your home is situated in an area where radon gas is present an additional barrier layer is needed to stop radon gas from getting through. An air-tight membrane might be suitable in areas with relatively low emissions of radon, but in more extreme cases there might have to be a more complicated ventilation and extraction system to block any harmful radon gases.
Once the base has been prepared and any DPMs installed, a sealer or primer is then applied. A primer assists in the screed to bond to the base and different types exist based upon which type of screed is being applied. Due to their specialist nature, only skilled screeders in Thame should be entrusted with using them safely and correctly and through the use of equipment that is made for this task.
Under floor heating can now be laid out, installed and checked before the screed is applied. The wires and heating pipes are firmly mounted on insulation panels to stop any movement and make certain they are held in the correct position. Under floor heating is one of the most effective ways to heat a room and an expertly installed system should deliver even warmth across the floor area.
If you are not fitting underfloor heating the screed can now be prepared in situ and laid. The requirements of the room will dictate the sort of screeding used. After application of the screed there is at least twenty four hours (for quick drying screeds) before you're able to walk over the surface, and a 72 hrs minimum setting time for the laying of any floor coverings. If you're laying standard or heavy duty screeds the drying time is increased and the manufacturer's guidelines must be followed so as to get the best finish to your floor.
Once the screed has hardened it can be quality checked to establish the SR standard. Through the use of a 2m straight-edge the floor surface is checked for any deviations, dips and ridges in the surface of the screed.
- SR1 - Deviations of 3mm or less being measured over the entire area shows your screed floor to be of the best quality and is specified as SR1.
- SR2 - If the floor surface deviates from the straight edge by 5mm or less it is SR2 quality and is the normal standard for commercial and industrial floors.
- SR3 - For utility floors where the finish is relatively unimportant SR3 is the classification and should have a maximum deviation measurement of 10 millimetres or less.
It may also be necessary for a structural engineer to do a soundness test. This assessment will determine the overall strength of the screeding and its suitability for the proposed use. An assessment called the drop hammer test will be carried out at several areas on the screed layer and the outcomes recorded. Any screeding that's got load bearing requirements must be approved by a certified structural engineer obeying the British Standards BS8204 regulations. (Tags: Screeding Thame, Floor Screeding Thame, Floor Screed Thame, Floor Screeding Services Thame).
Floor Screeding Near Thame
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Screeding Related Tasks
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