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Flat Roof Survey Online Flat Roof Estimator
Convert Your Flat Roof To A Terrace Or Balcony Roof

Perhaps you already have a balcony roof that you’d like to upgrade and make into a special outdoor space that you can enjoy during the warmer months? Some of the options for converting flat roofs are creating a balcony, a roof terrace or a garden roof. Whatever your choice we can help you by converting your existing flat roof into the outdoor space you always wanted.

Please take a look at our section on garden roofs to find out more about how to convert an existing flat roof into a valuable addition to your home.

End your Balcony roof worries today by calling FREE on 0800 09 88 271 for a no-obligation FREE Balcony survey and quotation or click here to contact us. Nationwide Coverage.

 

Flat Roof Before

Finished Balcony Roof

Once your balcony area has been refurbished and waterproofed, choosing the right finish to suit the use of your balcony roof can make a big difference to way it looks and can be used.

  1. Lightweight Patio slabs
  2. Timber or Composite Decking

Please scroll below to see a few examples of what can be done with existing balcony areas.

How Your Flat Roof is Converted

Planning Considerations

If you are considering putting handrails / railings / balustrades as a ‘permanent’ feature around the edge of your new balcony, roof terrace or garden roof, please be aware that planning permission may be required. Non permanent handrails which don’t require permission are available but these tend to offer less choice in design and appearance. If your new roof garden, terrace or balcony is likely to be overlooking a neighbouring property you may also need to have a privacy screen e.g. a frosted glass screen. It is often worth a call to the Planning Office right at the beginning of your conversion plans.

Structural Strength Considerations

Since converting your flat roof is likely to involve the addition of extra weight in the form of patio slabs or decking you may wish to contact a local structural engineer just to make sure that your flat roof will be able to bear the load.

A timber sub structure for example may be less able to safely support the load than a block and beam or concrete slab sub structure.

Insulating Your Flat Roof Conversion

If you’re planning to convert more than 25% of the flat roof and the flat roof is over a living area you will need to upgrade the insulation of that roof to target U value of 0.18 – see our Insulation page for more details.

Apply New Waterproofing

It is not advisable to put your new decking or slabs down on top of an old felt roof surface because these tend to melt in the summer heat and become brittle in the cold and therefore could easily develop leaks that could result in the need to dismantle your new conversion surfaces in order to repair leaks.

It is advisable to put down a new polymeric PVC Single Ply Membrane such as Sarnafil, Cefil or Alwitra-Evalon as the base for your flat roof conversion. These membranes have a proven track record in providing a high quality, leak proof base for commercial and domestic roof gardens. Provided your approved installer has completed the whole project or supervised a 3rd party to complete it you won’t compromise the guarantee that the PVC Single Ply Membrane system offers.

The Surface of Your Flat Roof Conversion

Once the new PVC Single Ply Membrane system has been applied to flat roof the surface of your balcony, terrace or roof garden can be added.

A loose laid protection layer is placed on top of the membrane to protect it. This can be e.g. 8mm plastic or rubber paving support pads which allow water to drain easily away under the slabs.

Popular options for the surface of a flat roof conversion include lightweight patio slabs or either timber (softwood or hardwood) or composite decking. Composite decking needs minimal maintenance and has a 25 year guarantee in some cases. Some conversions have pebble borders around the slabs.

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Porcelain Tile Flat Roof Flooring

 

Flat Roof Before

After Laying Grey Sarnafil Membrane & New Railing

 

 

 

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Balcony Roof

Before Lead Grey Sarnafil Membrane

Roof Balcony

After Laying Pendle Natural Smooth Slabs

 

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Softwood Timber Decking with Pebble Border

 

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Existing Patio With Old Slabs

Balcony roof refurbished using Cefil Single Ply Membrane using pendle natural smooth slabs

Refurbished Using Cefil Membrane And Slabs

 

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Badly Leaking Patio Roof

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Refurbished With Cefil Membrane Slabs And Pebble Border

 

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Badly Leaking Patio Roof

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Refurbished With Cefil Membrane Slabs And Pebble Border

Flat Roof Survey Online Flat Roof Estimator

What Our Clients Are Saying About Us...
When you invest in a Flat Roof you want to be sure that the company you choose has the right experience & that they are totally trustworthy and reliable.

 

Save Energy & Money With Your Flat Roof!
For years we’ve been advising our clients how they can save energy and money by having their Flat Roofs insulated properly.

 

Special Offers & Discounts.
Details of County Flat Roofing’s discounts and special offers available along with our roofing services including new roofs, roof repairs and flat roofs.

 


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Office: 01928 503604 Fax: 01934 623 721 | Company No: 7108155 | Vat No: 983 9854 45
 
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