Eastwick mastic sealing
Mastic sealing for building owners, managing agents and housing associations in Eastwick and across Hertfordshire. CHAS accredited and fully insured, with a 12-month guarantee.
- Window mastic that has split and shrunk
- A mix of products and colours from past repairs
- The same joint failures repeated across a portfolio
Mastic sealing across Eastwick
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
Mastic sealing in Eastwick
Treatment starts with a proper look: what has failed, what caused it and whether new sealant will actually solve it. Failed mastic is stripped, the faces taken back to sound material, primed where the manufacturer specifies and resealed, with backing rod setting the depth where it’s needed. Most enquiries involve window mastic that has split and shrunk and old repairs sealed over failed mastic, across shopfronts below residential blocks, communal kitchens and washrooms and window and door perimeters on blocks. Whether you call it commercial sealant work, mastic application or joint sealing, in Eastwick it comes down to the same thing: the right product in a properly prepared joint.
Around smaller places like Eastwick, older walls fitted with newer windows are a familiar sight. The mastic needs to suit an irregular masonry face and the look of the building.
Work we carry out comes with a 12-month guarantee. Should something we installed fail, give us a call on 01277 525 020 or send details through our quote form and we will come back to it.
- Where
- Eastwick (CM20)
- Wider area
- Hertfordshire
- Guarantee
- 12 months on every job
- Quotes
- Fixed quote, scope in writing
- Phone
- 01277 525 020
- Page updated
- 3 November 2026
Why deal with it now?
Draughts round window perimeters cost occupiers comfort and the windows usually get the blame. Resealing the perimeters is often the simpler fix when the frames themselves are sound. Older rural buildings around Eastwick move with the seasons, and rigid or tired sealant can’t keep up. A sealant with the right movement capability, correctly sized, lasts far better.
Access often affects the price as much as the sealing: joints within easy reach take less time than ones that need access equipment. Mention the access as part of your enquiry.
Why appoint us
- Colour agreed before work starts
- Fixed quotes based on photos, drawings or a visit
- One number for every site we cover
- Workmanship guaranteed for 12 months
When it isn’t the sealant
Being straight saves everyone time. Fresh joints won’t solve:
- Water coming in from the roof or rainwater goods
- Cracked or crumbling render, brick or stone at the joint edges (we will tell you if so)
- Misted or failed double-glazed units
If in doubt, give us a call on 01277 525 020 or send details through our quote form and we’ll say what we think.
Surfaces we seal
- Shopfronts below residential blocks
- Window and door perimeters on blocks
- Balcony and threshold joints
- Communal kitchens and washrooms
- External wall and movement joints
- Communal entrances and stairwells
On site: what to expect
Inspect, seal, sign off: every visit follows that pattern. We inspect the joints and confirm what’s in scope, then we prepare and seal each joint with the specified product, and we finish with a walk round so the work can be signed off. Rural sites near Eastwick may need directions, gate codes or a contact on site. Send that with the details and we’ll confirm the plan with the quote.
- First we look at the mastic on each building and note what needs replacing.
- We send a fixed quote that sets out the joints, the products and the programme.
- The sequence and the dates are fixed with you, giving you what you need to notify occupiers.
- Old sealant is stripped and each face prepared back to firm material.
- Deep joints get backing rod, faces are primed if the manufacturer specifies it, then the joint is sealed and tooled.
- Each building is checked on completion and the work carries our 12-month guarantee.
Preparing the site
- Send asbestos survey details if the building is pre-2000
- Agree which areas must stay open
- Let building users know which areas are affected
Get a fixed quote
To get a fixed quote, call the office on 01277 525 020 or send photos by email with the site address and an outline of the work. Our quote form is another easy route.
Advice
General trades versus a specialist
There’s also the paperwork. Many sites expect CSCS cards, RAMS and proof of insurance, and we’ll confirm the paperwork you need with the quote.
Certain joints really need a specialist: for example fire-rated seals that must match a tested detail, trafficked floor joints and external movement joints. Getting these wrong typically costs more in the end than doing them right.
Questions about Eastwick
Is Eastwick too small for you to travel to?
Not at all: smaller places are covered as well as towns. Our area covers London and the South East counties. Send photographs and a list of what needs doing, and we’ll plan the job to need as few trips as possible.
Will you take on work at estates like Harlow Enterprise Centre, close to Eastwick?
Yes. Estates, retail parks and business parks around Eastwick, Harlow Enterprise Centre among them, are all within reach. Send details of the unit and the work through our quote form for a quick quote.
Can you send RAMS and CSCS details before starting?
Let us know your requirements: tell us what site paperwork you need (RAMS, insurance certificate, CSCS details) and we’ll confirm with the quote. We hold CHAS accreditation and Constructionline membership.
Will you just go over the old sealant?
No, never. Overlaying old sealant is a frequent cause of early failure, so everything comes out first.
Does the weather affect the work?
It can, when the joints are outside. Sealant won’t bond properly to a wet or frosty joint, so we watch the forecast and rearrange outside work if we have to. Internal work is far less affected.
How do we ask for a quote?
You can use the quote form on this site; alternatively, call 01277 525 020 or email us. Photos, drawings or a joint schedule help us quote quickly.
Can you take on resealing for a block portfolio?
Yes, block and estate work is a core part of what we do. Buildings are scheduled in turn with dates agreed in advance.
Nearby places to Eastwick
What else we do in Eastwick
Different surfaces, different methods
External movement joints
Failed sealant is removed, backing rod inserted to control depth and the joint resealed with a grade whose movement class fits.
Tenement and older buildings
Natural stone can be marked by the wrong sealant and we choose accordingly.
Block-wide mastic in Eastwick
The South East is one of the drier parts of the UK. Even so, frame mastic only goes on in dry, workable conditions, and south- and west-facing elevations, which take the most sun and rain, often age first. At about 21 miles from central London, Eastwick is within reach of the capital. Commuter-belt towns tend to have plenty of managed blocks near stations and town centres.
For owners of several units at places like Harlow Enterprise Centre, less than half a mile to the south-east of Eastwick, one programme can deal with frame and external mastic across the lot. For agents with blocks near Harlow Town station, 0.5 miles south-east of Eastwick, a block-wide mastic programme deals with frames, balconies and entrances in one go.
Eastwick is about 2 miles north-west of Harlow, in Hertfordshire. If you’re looking for mastic sealing in Eastwick, we can help, as we do across Hertfordshire. Eastwick is one of 371 places we cover in Hertfordshire for mastic joints. Our London page has more on work in that area, about 21 miles away.
Anyone looking for mastic sealing in CM20 gets the same process as the rest of our area: send details, get a quote, we seal, guaranteed. If your building is just outside Eastwick, we cover Little Parndon (1 mile south), Gilston (1 mile north-east), Great Parndon (2 miles south), Roydon (2 miles south-west) and Staple Tye (2 miles south). Bigger towns within reach include Stevenage (14 miles north-west), Bishop's Stortford (7 miles north-east), Welwyn Garden City (12 miles west), Hoddesdon (5 miles south-west), Cheshunt (8 miles south-west) and Hatfield (14 miles west).
Local landmarks in Eastwick
In Eastwick, that means premises near Burnt Mill Academy, The Lion Inn and Harlow Marsh. The nearest railway station is Harlow Town station, about 0.5 miles south-east of the centre. A little further out are Princess Alexandra Hospital (0.9 miles south) and Mark Hall Cycle Museum (1.8 miles east). Not far away are Hunsdon Mead.
Do you need mastic sealing in Eastwick?
Communal entrances and corridors see a lot of wear, with joints near the floor and around doors suffering most. Cleaning products add to the wear.
Any of the following is a good reason to get the joints checked over:
- Complaints coming in block by block
- Window mastic that has split and shrunk
- Movement joints with sealant missing
- Damaged joints in communal entrances and corridors
If you’re responsible for a building such as Church of St Botolph, frame and door mastic needs the same attention as any other property.
Before you book anyone
- Will failed sealant be removed rather than covered?
- Will CSCS-carded applicators be on site?
- What site paperwork they can supply
- The named product and why it was chosen