Greater London · England
New Build Mastic in Crook Log
New-build sealant joints in Crook Log need attention? We remove the old material, prepare the joints and seal them properly, with a one-year guarantee.
- Joints pulling apart as timber shrinks
- Second-fix sealing on new plots
- Cracked sealant around new window and door frames
How we handle new build mastic in Crook Log
A new build should have a neat, sound bead at every joint. Smeared, patchy or cracked sealant is worth sorting early, before water gets into the floor or walls. If you have second-fix sealing on new plots and beads laid onto grit and dust from the build, we can put it right, on kitchens, skirting & floors and plot handovers alike.
Shops, offices and commercial units across London have hard-wearing floors with movement joints that need resealing as they wear, and new homes need their plot mastic finished properly before handover, in Crook Log and beyond.
All of our work is guaranteed for twelve months, in Crook Log and everywhere else we cover.
- Where
- Crook Log (DA7, DA6, DA16)
- Wider area
- Greater London
- Cover
- One year on every job
- Quote
- A clear quote up front
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
Why it’s worth doing now in Crook Log
Sealant done properly at handover means fewer callbacks. Every return visit for a failed seal takes time. In older London homes, water behind a failed joint soaks into brick and timber without much sign, and by the time it shows on a wall or ceiling in Crook Log, the repair is bigger than the sealant job would have been.
Rather than a set price list, we price the job in front of us: how many joints, what’s in them now and how we reach them. The price is agreed before we begin.
Why Crook Log customers choose us
- Every job guaranteed for a year
- We agree the colour with you first
- 20+ years of sealant experience
- Colour picked to suit the job
Read our cost guide and what customers say.
What affects the quote in Crook Log
Jobs vary more than people expect. The main factors:
- Whether old sealant or filler has to be cut out
- The type of sealant required
- Access and height
- How much there is to do
Leaving a failed joint generally makes the job bigger, not smaller, because water and mould keep working on it. If you’re unsure, phone 0345 464 0079 or send us an email for an honest opinion and a quote.
Helping us quote
When you contact us, these details help:
- Whether it has been sealed before
- What’s wrong with the joints now
- The address or postcode of the job
- Pictures of the joints, sent by email
Every job is quoted individually, so the first step is telling us about yours. Simply call 0345 464 0079 or send us an email and describe the job and send pictures if you have them.
What happens on the day
There is not much for you to do on the day. Point us to the joints and we’ll get on with it. The work itself takes anything from a few hours to several days, depending on the number of plots. Parking in much of London is by permit or pay-and-display, so it helps to know what’s near you in Crook Log. It helps if you can point us to a visitor permit or a bay close to the door.
- Each joint is checked for movement before work begins.
- Old sealant is cut out and the joints cleaned.
- We make sure the joints are dry and prime them if needed.
- New sealant goes in, with baths filled first so they’re at their heaviest.
- We check every joint and leave you with the cure times.
Preparing for the visit
- Keep pets and children clear of the area while we work
- Tell us about any water getting in
- Tell us about access, such as stairs, a lift or high-level joints
Getting a quote
To get a quote, phone 0345 464 0079 or send us an email with the location and a short description of the problem. You’ll have a clear quote before work begins.
Related advice
When to call us in Crook Log
The first winter with the heating on dries a new home quickly. Gaps open along skirting, frames and worktops and cracked sealant shows up.
It’s worth asking for a quote if you see:
- Frame joints opening as the plaster dries
- Leaking shower tray seals in a new home
- Second-fix sealing on new plots
- Skirting joints opening in the first winter
For new homes near Bexleyheath station, it’s worth checking the sealant early, while snags are still fresh.
What to look for in a quote
- How long the guarantee is
- What happens if they find a problem under the old sealant
- How the surfaces are prepared before sealing
- Whether you can choose the colour
New build mastic in Crook Log: local notes
Compared with the north and west, the South East gets less rain, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind. Many of London’s new homes are flats in bigger developments, where snagging may go through the developer or managing agent.
Crook Log is in London, so parking needs planning: let us know about parking bays, permits or a driveway.
Crook Log is about 3 miles south-east of Plumstead, in Greater London. Jobs in Crook Log get the same care as everywhere else we work: old sealant removed completely, careful preparation and a 12-month guarantee. Crook Log is one of 764 towns and villages in Greater London where we work. We also work in London, about 10 miles from Crook Log.
We work across DA7, DA6 and DA16 for new build mastic and the streets around it. Streets in the area include Bean Road, Lion Road and Alers Road, and we cover them all. We also cover the places around Crook Log: Upton (1 mile east), Bexleyheath (1 mile east), Welling (1 mile west), Blendon (1 mile south) and Bexley (1 mile south). Larger places within reach include London (10 miles west), City of Westminster (13 miles west), Marylebone (12 miles west), Kensington (14 miles west), St Pancras (11 miles north-west) and Shoreditch (10 miles north-west).
Local landmarks in Crook Log
We work in homes and buildings around Danson Park, St Columba's Catholic Boys' School and The Crook Log Public House and the streets around them. Crook Log has its own railway station: Bexleyheath station. Other landmarks nearby include Bexley Museum (1.7 miles south-east) and Broadway Shopping Centre (0.9 miles east). The countryside around Crook Log includes Summer Hill and Wansunt Pit.
When it isn’t the sealant
New sealant cannot fix everything, and we’d rather say so up front. It won’t solve:
- Disputes or warranty claims with your builder
- Settlement cracks that need a surveyor
- Leaking fittings rather than failed sealant
Not sure which it is? You can call 0345 464 0079 or send us an email and we will tell you honestly.
What we seal
- Windows & doors
- Show homes
- Skirting & floors
- Bathrooms & en suites
- Kitchens
- Plot handovers
Crook Log questions
I let a flat near Bexleyheath station. Can you help?
Yes, rental work is part of what we do. Just phone 0345 464 0079 or email us and tell us about the property, and we will give you a clear quote.
Can parking be tricky for a visit in Crook Log?
London parking needs a little planning, so let us know about permits, bays or a driveway when you book. That way the visit can be planned around it.
What sealant do you use?
Products from Arbo and Everbuild, among others, chosen to suit the joint. We explain the product when we quote.
Will the old sealant be removed?
Yes. Sealing over the old bead is the commonest cause of early failure, so we never do it.
How long will you be here?
Most jobs take a few hours for most snagging lists, longer for a run of plots, including preparation and clearing up. Your quote will say how long we expect yours to take.
Does someone need to be in?
We need access to the joints, so we will agree that with you when we book. Indoors, that normally means someone at home.
Do you work for hotels and businesses?
Yes. Hotels, offices and other businesses use us.
Do you cover Crook Log?
Yes, we do. Crook Log is part of the area we cover.
Different surfaces, different methods
Windows and doors
Internal joints between frames and plaster often crack as a new house dries. We cut out the cracked bead and reseal with a flexible sealant.
Plot handovers
We work through plots to your schedule, sealing each room ready for handover. Joints are prepared properly before sealing.
Nearby places to Crook Log
What else we do in Crook Log
Keeping the joints in good condition
Joint life depends on how it’s used and looked after. We suggest:
- Put sealant faults on your snagging list early
- Follow the cure time we give you
- Ventilate bathrooms well, especially in the first year
- Photograph failed sealant before it’s redone
Keep an eye on the joints over the first couple of years. Small gaps can appear as the house dries and can be resealed later.
Leave a failed new-build seal and water can reach the floor and the ceiling below. Catching it early keeps the fix to the sealant and protects the rest of the house.