South East England and London

Gutter Sealing in Greater London

Covering 764 places across Greater London for gutter sealing, done properly, with a clear quote before we start and a one-year guarantee.

Gutter Sealing in Greater London

Gutter sealing in Greater London: how it works

It’s easy to live with a dripping gutter joint, but each shower sends water to the same place. Sealing it is quick while the gutter is still sound. We work on roofline trims, gutter end caps and soffit joints, and people most often call us about drips from gutter joints and end caps and failed sealant on a garage door frame.

All our tools and materials come with us in the van, so there’s nothing for you to buy. After a quick look at the joints together, the area is protected and the work begins. Most jobs take an hour or two for a few joints, longer for a full run.

  1. First we agree which joints need sealing.
  2. We clean out each joint.
  3. We make sure everything is dry.
  4. The sealant is applied and finished.
  5. We check our work before we leave.

What you will pay

Combining jobs into one visit usually makes better use of the time than several visits. You will get one clear quote for the whole job.

What you get with us

  • Colour agreed with you before we start
  • Experience in homes, commercial sites and hotels
  • White, clear, grey or another colour, product permitting
  • Over 20 years’ experience

Get a quote

Every job is quoted individually, so start by telling us what you need. Just phone 0345 464 0079 or email us with the details, and pictures are welcome.

Near you in London

We work in homes and buildings around St Mary-at-Hill, St George the Martyr and The BFI Reuben Library and the streets around them. Other local landmarks include Trinity Arms Public House (under half a mile south-east), Ark Globe Academy (under half a mile south), Charles Dickens Primary School (within half a mile north-west) and Newington Gardens (under half a mile south). There’s a railway station in London itself: Elephant & Castle station. A little further out are Surrey Dispensary (within half a mile south-east) and Baynard's Castle (0.9 miles north). Open spaces near London include Bellenden Road Nature Garden and St. James's Park Lake.

  • Local schools include London School of Musical Theatre (less than half a mile west)

Outside joints across Greater London

In Greater London, gutter sealing work takes in houses, flats and commercial buildings, in London, City of Westminster and Marylebone and well beyond. Outside joints can only be sealed when they’re dry, so the work is planned around the weather.

London and the South East are among the drier parts of the UK, though outside sealant still needs a dry, clean joint, so work across Greater London is planned around the weather.

London: For site and facilities teams at buildings such as Charles Dickens Primary School, its movement joints, gutters and trims need looking after like any other building’s. Rented homes near Elephant & Castle station change hands often, and leaking gutter joints on a rental are best caught before they stain the walls.

Common problems we fix in Greater London

A sealant applied to a damp or dirty joint won’t bond. Rushed repairs often don’t last long.

Look out for these signs:

  • Streaks down the brickwork from a leaking joint
  • Water dripping where gutter sections meet
  • End caps that drip every time it rains
  • Failed sealant on a garage door frame

What happens if it’s left?

A dripping gutter joint keeps wetting the same patch of wall. Left, it can stain walls and lead to damp, so it’s worth sealing early.

Comparing quotes

  • How the colour is chosen
  • What product goes in the joint
  • Whether all the old sealant comes out first
  • The length of the guarantee

Keeping the joints in good condition

Joint life depends on how it’s used and looked after. We suggest:

  • Deal with a drip before winter
  • Check the gutters during heavy rain
  • Check that water runs out of the downpipes
  • Rest ladders on the wall, not the gutter

Give the sealant the cure time we tell you and avoid disturbing it.

Once roofline sealant splits, water can get behind it. Resealing early protects the boards and the wall below.

How we quote for gutter sealing

You’ll get a clear quote before any work starts. It’s based on:

  • The number and length of the joints
  • When we can work, for business premises
  • How easy the joints are to reach
  • Whether old sealant or filler has to be cut out

Commercial jobs are quoted on the same basis as homes: the amount of work, the access and the products needed. Call for a quick quote and we will explain what it covers.

What we need to know

To help us quote quickly, please include:

  • The type of property
  • The problem you’ve noticed
  • Where the job is, and your postcode
  • Access, such as stairs, a lift or height

Getting a quote is simple: tell us what needs doing and where and its rough size. Photos by email help us understand the job, and we’ll take it from there.

DIY sealant or a professional job?

A DIY attempt does not rule out a professional job. We remove it and do the joint properly.

If you do try it yourself, take your time over the preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it fails, we can still redo it.

Questions from Greater London

Can you seal over the old sealant?

No. We remove every bit of old sealant first, so the new sealant bonds properly.

What information do you need?

Just the basics: the address or postcode, what’s wrong and any access issues. After that, simply call 0345 464 0079 or drop us an email.

Do you cover Greater London?

Yes. From our base in Crawley, we cover South East England, London and all of Scotland, Greater London included.

How long should I leave it?

Many sealants skin over quickly but take longer to cure fully. We’ll give you the cure time for the product we used.

Can I choose the sealant colour?

In most cases you can choose. We will explain which colours are available.

Do you remove the old sealant?

Always. Sealing over the old bead is the commonest cause of early failure, so we never do it.

Do you do commercial work?

Yes, regularly. We can plan bigger jobs in stages.

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20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job