The Mastic Doctor team standing beside their branded vans outside an office building
Kent · England

Construction Mastic in Hemsted

Mastic packages for new-build and refurbishment projects in Hemsted and across Kent. CHAS accredited, Constructionline member, with a 12-month guarantee on workmanship.

  • Missed perimeter joints on a new elevation
  • Oversized or tapered gaps around new frames
  • Cracks opening in caulked internal joints
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
12-month guarantee on our workmanship.
South East, London & Scotland
Constructionline member
£5m public liability

Construction mastic for Hemsted sites

Photos, a specification or a quick description of the joints is enough to start a fixed quote.

Your questions answered

What documents will you need to give us for a job in Hemsted?

Whatever your site asks for, from RAMS to CSCS details, is confirmed when we quote. Our applicators are CSCS-carded, and we carry £5m public liability insurance.

Is Hemsted too small for you to travel to?

Not at all: smaller places are covered as well as towns. We work across Greater London and the South East. Where we can, we group nearby jobs to make the most of each trip.

How do you work with the site programme?

We work to your programme. Share the release dates and we will match our work to them, sealing as areas become ready.

Are you insured?

Yes. Our insurance certificate can be sent alongside the quote.

Are you CHAS accredited?

Our applicators hold CSCS cards, and we are CHAS accredited and a Constructionline member. We’re also fully insured, with five million pounds of public liability cover.

How long before the joints can be used?

That comes down to the sealant and the temperature. Some take light use quickly, others need longer to cure, and we confirm it before leaving site.

What’s the quickest route to a quote?

It works in four steps: send details, receive a fixed quote, we carry out the work, and it’s guaranteed. Step one needs little more than photos and a postcode.

About our construction mastic in Hemsted

Getting a subcontractor through site induction should be simple. Our applicators are CSCS-carded, and we are CHAS accredited and a Constructionline member, with public liability insurance in place. Tell us what site paperwork you need (RAMS, insurance certificate, CSCS details) and we’ll confirm with the quote. Most enquiries involve inconsistent sealant finishes from plot to plot and failed sealant in an existing building being refurbished, on internal decorators’ caulk, cladding and panel joints and brick and block movement joints. A specialist sealant contractor works differently from a general builder: on jobs in Hemsted, preparation and product choice get the time they need.

Around smaller places like Hemsted, building work usually means conversions of farm buildings, a few new houses or an extension to a hall or school. Perimeters, facade joints and internal sealant all need doing properly, however small the scheme.

We stand by our work: 12 months, guaranteed. That covers our preparation and application, and if something we did falls short, we return to it.

Location
Hemsted (CT18)
Wider area
Kent
Cover
A 12-month guarantee
Price
Fixed quote, scope in writing
Phone
01277 525 020
Updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

Why act early in Hemsted

Refurbishments sometimes budget for new windows when the frames are sound and only the seal has failed. Sound frames often need only a new perimeter seal, which is a much smaller cost. We will say so if a frame itself is the problem. For buildings around smaller places like Hemsted, water damage can go unnoticed for longer, especially where a building isn’t used daily, which gives a failed joint time to do damage. Resealing early avoids that.

The specified product makes a difference, as does the preparation each joint needs, from cutting out to priming and backing rod. Access, phasing and site rules also count.

Why appoint us

  • Colours confirmed for the specified product
  • Constructionline member
  • Over 20 years of commercial sealing
  • Workmanship guaranteed for 12 months

See our cost guide or our accreditations and insurance.

Building owners, agents and FMs in Hemsted

FMs need a contractor who is easy to get on site. Tell us what site paperwork you need, such as RAMS, an insurance certificate or CSCS details, and we’ll confirm with the quote.

Building owners and managing agents use us on sealant work across single buildings or whole portfolios. Several sites can go on one quote, which keeps the paperwork simple.

Cost factors for mastic packages

Sealant work doesn’t have a standard rate, because every site is different. What we take into account:

  • The total length or number of joints
  • How much existing material needs removing
  • Distance, for remote addresses
  • How accessible the joints are

The price depends on how many linear metres there are, how much old material needs removing and the access. Call for a quote when you’re ready.

Before you send an enquiry

For an accurate fixed quote, we need a clear picture of the site. Send us:

  • Any dates the work must fit around
  • How the joints are reached, and at what height
  • Whether the building will be occupied during the work
  • Drawings or a marked-up plan, if available

A good quote starts with a clear picture: what’s there, how much of it, how we reach it and what’s specified. Send what you have, and we will arrange a site visit if anything is unclear.

How a job runs

Inspect, seal, sign off: every visit follows that pattern. First comes an inspection and agreement on 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. Jobs in and around smaller places like Hemsted are normally planned as a single visit, so we ask for photos and rough sizes first. That way the right products come on the day.

  1. Drawings, the sealant specification and your programme come to us for pricing.
  2. You receive a fixed quote listing scope, products and phasing.
  3. Any site paperwork you need (RAMS, insurance certificate, CSCS details) is confirmed with the quote.
  4. Work follows the programme, area by area, as rooms and elevations become ready.
  5. Joints are cleaned, primed where the maker requires it, backed and sealed to the specification.
  6. Before handover, snags are dealt with and the package is signed off under our 12-month guarantee.

Before we start on site

  • Tell staff and tenants when we’ll be in
  • Point out parking and an unloading spot
  • Send your site hours and access windows

Getting a fixed quote

The quickest route to a quote is a few photos and the site postcode. Send them through the quote form, or phone 01277 525 020 or send photos by email to discuss it first.

Ask for a quote

Advice

Facades, frames and programmes in Hemsted

Central London is about 56 miles from Hemsted. Commuter-belt towns tend to see a steady flow of new flats, offices and commercial schemes, and main contractors there need mastic that keeps to the programme. Hemsted sits in one of the drier corners of the country, the South East. That doesn’t stop wet spells, or frosty starts that leave panels too damp to seal, so we time external mastic for dry faces and agree it with the site team.

When a school such as Stowting Church of England Primary School is extended or refurbished, the mastic package is often squeezed into the holidays. Historic houses such as Westenhanger Castle (3.1 miles south of Hemsted) are a reminder of the older buildings in the wider area, where sealing against old stone, brick or timber needs compatible products.

Hemsted is about 5 miles north of Hythe, in Kent. Hemsted sits inside our coverage and the rest of Kent, with the same fixed quotes and 12-month guarantee as everywhere else. Hemsted is one of 931 places in Kent on our list for mastic packages. Sites around London have their own page, roughly 56 miles from Hemsted.

We cover the CT18 postcode districts for mastic packages. Close to Hemsted, our area also takes in Woodland (1 mile south-east), Skeete (1 mile south), Stowting (1 mile west), Rhodes Minnis (1 mile north-east) and Stowting Common (1 mile north-west). Bigger towns within reach include Ashford (8 miles west), Canterbury (10 miles north), Dover (11 miles east), Folkestone (6 miles south-east), Whitstable (15 miles north) and Faversham (14 miles north-west).

Local landmarks in Hemsted

The closest station to Hemsted is Westenhanger station, about 2.9 miles south of the centre. Well-known places in the area include Saltwood Castle (4 miles south) and Elham Valley Countryside Centre And Railway Museum (3.7 miles south-east). Green spaces nearby include Hatch Park and Tolsford Hill.

Map of Hemsted © OpenStreetMap contributors

What the job involves on each surface

Snagging before handover

Snagging is often the final mastic stage. Snags are cleared room by room.

Window and door perimeters

A frame gap that’s too wide can’t just be filled with sealant. We check them during the first walk-round and flag any that need packing or adjusting.

General trades versus a specialist

There’s also the paperwork. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and our CSCS-carded applicators are used to working under those rules.

Some joints are best left to specialists: fire-rated seals that must follow a tested detail, trafficked floor joints and external movement joints among them. Getting these wrong typically costs more in the end than doing them right.

Accreditations

Trusted. Accredited. Insured.