Hope this note finds you well.

I got your details from the internet through a google search.

I have been having a problem with a leaky roof. A roofer has been to the property twice and applied Acrypol seal to the problem areas but after heavy rain about a glass of water’s worth is still getting through at a point below one corner of the sky light. It usually takes a few hours for the leak to begin after the rain fall.

Looking at the possible options on your web site I feel there is a solution that would work on my existing roof. Attached 3 photos to give you an idea of the work required.

Is this a project London Flat Roofing could get involved with?

If so please do forward your number and a convenient time to call to discuss further.

Look forward to hearing from you.

Best,

2. Take a sharp knife and cut around the damaged area. Make sure to cut a regular pattern like a square.

3. The cut out of the dame will act as a pattern. Cut out the replacment material using your pattern.

4. Cut out another piece of roofing material only 5cm larger.

5. Use a thin knife, a putty knife is ideal, to slip under the edges of the cutout area and apply roofing cement.

6. Spread a layer of roofing cement over the cut out layer.

7. Press the new roofing material over the cement and tack down with roofing nails. Cement only the bottom layer and use nails for the top layer.

8. Go around the edges of the topmost layer with cement. You’re looking to create a seal.

There you go our quick guide to repairing a felted flat roof.

FREE Advice
We’re happy to offer free advice. Roofing is not for the feint hearted or the inexperienced so it’s best to have a chat with an experience crew like us.

Kemper is laid wet and is easily dressed round the outlets and the up stands and once it has cured it will never come apart.

• EPDM rubber
• 18mm Ply or OSB
• 22mm Isolair (wood fibre with paraffin impregnation for water resistance)
• 40mm Pavatherm (wood fibre insulation)
• LBD breathable membrane
• 150mm sheeps wool between joists
• Plasterboard ceiling

This build up give us a U-value in the region of 0.20 W/m2K when building regs require 0.25 for flat roofs.
It must also be noted that there is no vapour barrier stoping the transfer of vapour up from the room below into the flat roof insulation.
Wool’s unique advantage is its breathability.  When wool fibres absorbs moisture, they generate tiny amounts of heat. This warmth acts to prevent condensation in construction cavities by maintaining the temperature above the dew-point in damp conditions.

The mineral felt on this old flat roof dormer is being replaced not because it has reached the end of its life span but because the owner of the roof wants to install PV Photovoltaic panels over the roof, so before doing so he is going to install insulation into the roof and recover the roof makings sure the roof is in the best possible state of readiness before the installation of the Panels.

Flat roofing Hampstead  by http://www.londonflatroofing.co.uk

One of the benefits of a liquid rubber flat roof or any liquid flat roofing materials is the way it can be dressed around objects such as skylights, roof windows and pipes.

Basically whenever a detail on a flat roof is formed its a potential area for a leak, the ability to pour the product rather than cut and fold make  a liquid roofing membrane the best when details are abundant.

Personally we tend to only use two liquid roofing products

• Liquid Rubber  ( EPDM)
• Kemper

Both the above flat roofing materials have the benefits of being reinforced with glass fibber mat, some liquid membranes do not have reinforcing and from our experience this courses several problems.

One of the problems is the ability to control the depth of the liquid as its applied to the flat roof. Another benefit is the strength that is gained especially over stress points  such as up against walls ware up-stands are formed.

The photo above shows the membrane dressed up the wall ready for the lead flashing to be dressed into the open chase, the decking to the flat roof is timber and will move over time the wall being from brick will not move so a common point for a flat roof to leak from is a crack at this junction.

Below shows just how the Liquid can be dressed around skylights. The liquid roofing membrane is dressed up and over the lip of the opening ready for the glass to be fitted and decking to be laid over leaving the entire roof flat ready for walking on.

This flat roof has been constructed  over a new build basement in Hampstead NW3.

So what’s your roof like? Flat? Do you want to know how rubber roofing will save you money and keep the water off your head?

Rubber roofing is the future. It’s easy to use and the results last for years. If you are in need of some flat roof repairs, then rubber roofing is a great system to use.

The Rubber Roof Advantage

With modern building techniques more and more is stored on a rooftop. Does your roof have any of the following:-

• Skylights
• Tank Compartments
• Metal Staircase
• Chimney Pots
• Air Conditioning Units

If you do have any combination of the above then the rubber roof is for you. It’s flexible, easy to install and will not susceptible to gale force winds.

Liquid Rubber

Liquid Rubber is easy to apply and creates a waterproof ‘skin’ that is perfect because it meets all sorts of environmental and health & safety standards that could be enforced in the future.

Sound and Dry Roofing

If the surface is clean, dry and sound then a rubber roof can be installed.

Rubber Roof Types

• Trowel on
• Spray on
• Brush on

The Rubber Roof Advantage

• No need for heating guns
• Quick to apply (up to 1,000 sqm per day)
• No primers required

Value for Money

You like to save money don’t you? Then you’ll love Rubber!

Most contractors will guarantee for 5 years. We at London Flat Roofing guarantee the materials and the labour for 10 years.

Call us for FREE

Roofing is a messy business and full of pitfalls for the inexperienced. Don’t be taken in by those that talk a good game. Have a chat with us for impartial and professional advice.

Identifying your Leaky Roof

It sounds simple doesn’t it? Find the leak and plug it. But you have to believe that you will find it and one leak is never easy to find Better to save yourself time and money by going for a full on system.

Most leaks are caused by bad design and bad maintance or lack of it. Has your roof been treated on a regular basis with solar-reflective stones or paint? The sun is the worst enemy.

Repairing a Flat Roof

It is possible to do a first class repair and we do this on a regular basis. We use Torch on felt or liquid rubber and these products can last between 10 and 20 years. We’ll respect your wishes and budget but if you intend to spend a long time in your home a full on replacement system can be the best solution.

FREE survey

We’re always happy to help you out with the best advice and if you have a bad leak we can carry out temporary repairs until what you decide you want to do.

The Rubberbond Guarantee

Rubberbond has been in operation for 50 years and therefore has a proven record and countless customers who adhere (pun intended) to the principles it has build its business on.

The Rubberbond Fleeceback EPDM Rubber Roofing System reisitance all the worst that the British weather can throw at it; it’s a system that repels all moisture and doesn’t suffer with age by cracking or crazing.

Reporting and Insurance

We’ll provide a comprehensive report and even consult with your insurance company and the exact nature of the repairs.

Call us for FREE

We’re always happy to have a chat and explain how we can save your both money and hassle. Give us a call for peace of mind.

The decking on this roof was formed from straw boards, and is completely useless so we had to strip it all and re-lay new decking before laying new EPDM rubber.

This old roof had problems – inadequate fall and puddling.

Stripping and re-laying the roof to the correct falls was an option the customer thought was too expensive, so it was decided that this flexible liquid roofing system would be used that is solar reflective and UV protective.

Guaranteed up to 25 Years!

The system is basically glass fibre ‘GRP’, but the resins have been modified especially for roofing applications like this roof. The end result is extremely satisfying, looks good and can come with guarantees of up to 25 years, depending on the layers we use to build up the covering.

By being able to lay this roofing system over the old mineral felt, the environmental impact was softened, the lifespan of the roof increased and the overall cost to the customer was reduced.