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Double Glazing Repair Services Since 1983

Professional uPVC Repairs

Restoring your uPVC window frames & doors

When you have uPVC fixtures fitted to your windows and doors, they can sometimes get accidentally damaged. uPVC is a strong & lightweight material that is commonly used in double glazing frames. Although uPVC can withstand knocks and bad weather, it's not entirely impenetrable. This is especially true when heavy objects such as ladders fall over and splits the uPVC apart. Not only does a damaged window or door look terrible, but it can be off putting to potential buyers if you are trying to sell or rent your property.

DG Servicing employ skilled uPVC restoration specialists that have the expertise to restore your uPVC windows and doors back to their former glory.

Here are some typical uPVC repairs we are able to carry out;

  • uPVC window repairs (sill repair, frame repair)
  • uPVC door crack repairs
  • Hide screw holes in uPVC window frames

If you would like to know what our repairs will look like, then check out the before and after photographs below. As you can clearly see, the uPVC appears as good as new!.

uPVC window sill BEFORE repair
uPVC window sill AFTER repair

Did you know that uPVC can be repaired and recycled? If you would like a free quotation for uPVC repairs to be carried out on your property, then contact us for help.

What is uPVC?

PVC stands for Polyvinyl Chloride which is a chemical compound of chlorine, carbon and hydrogen. PVC is composed of naturally occurring raw materials such as petroleum (natural gas) and common salt.

The lower case letter ‘u’ in uPVC stands for un-plasticised, which means that the PVC material has not been softened by the addition of any plasticizer chemicals. This makes the finished uPVC product much more rigid and well suited for use in the construction industry as an alternative to cast iron pipes.

PVC has been in use since 1926 and since been in widespread commercial use ever since. PVC is a very cheap, lightweight and versatile material that is used by many different industries such as construction, building, electronics, building and the health care sector. In can be found in many products ranging from pipelines, blood bags, tubing, cable insulation, clothing and windshield components.

The production process starts with sodium chloride (common salt) from which chlorine gas is obtained by electrolysis. The next process is known as 'cracking' whereby petroleum or natural gas is used to produce ethylene. The chlorine and ethylene is combined to produce liquid vinyl chloride (VC) . The mixture immediately goes through a process of polymerisation and is turned into polyvinyl chloride.

Vinyl chloride is toxic to humans (carcinogenic) and therefore a closed production process must be used when turning the PVC into a white powder that is chemically stable. Large amounts of PVC are usually produced in a single batch to make use of the raw materials that go into the production process.

uPVC For Door and Windows

The basic material properties of uPVC make it ideal for door and windows frame applications. These properties include:

  • Does not biodegrade
  • Weather resistant
  • Low maintenance
  • Tough on impact
  • Retains its shape during normal climatic temperatures
  • At high temperatures it can be reshaped and therefore recycled

uPVC framed replacement windows are now a cheaper alternative to expensive hardwood glazing. The popularity of double glazed windows is mainly because of the durability of uPVC. These are now the most common type of window in the UK, and are virtually maintenance free. uPVC windows don't need a lot of attention, never need to be painted, and only need to cleaned very occasionally. Pure uPVC is not quite suitable for window profiles, therefore a small amount of stabilisers and additives needs to be added to the mixture.

uPVC For Conservatories

A uPVC conservatory may also be known as a PVC conservatory or plastic conservatory.

The most commonly used material in conservatory manufacture is uPVC (rigid plastic). The main reason for using uPVC as a building material in the construction of conservatories is it versatility. Thermoplastic loses its shape when heated but becomes rigid again as it cools. Heat shapes uPVC into countless useful forms making it easy to produce uPVC conservatory extrusions.

uPVC is sometimes reinforced with aluminium when additional strength is required. It is common to reinforce conservatory roof bars as well as conservatory frames and conservatory doors.

Recycling uPVC

Neither PVC or uPVC are biodegradable, but uPVC can be recycled many times into new products such as doors and window frames used in double glazing. Therefore uPVC is a fairly environmentally friendly product.

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