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

Mastic sealing for building owners and managing agents in Strood, Kent

Mastic sealing in Strood, backed by over 20 years in commercial sealing. Fully insured, with a 12-month guarantee.

  • Brittle perimeter mastic across a building
  • Worn sealant at communal door frames
  • A mix of products and colours from past repairs
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
12-month guarantee on our workmanship.
South East, London & Scotland
Constructionline member
£5m PL insurance

Mastic sealing for businesses in Strood

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

Questions about Strood

Is a smaller place like Strood outside your area?

No. Places such as Strood are covered as much as the big towns. We cover Greater London and the counties of the South East. We plan jobs in smaller places so return trips are kept to a minimum.

Does your area include sites such as Business Park, near Strood?

Yes. Estates, retail parks and business parks around Strood, Business Park among them, are all within reach. Send details of the unit and the work through our quote form for a quick quote.

What paperwork can you provide?

Tell us what site paperwork you need (RAMS, insurance certificate, CSCS details) and we will confirm with the quote. We hold CHAS accreditation and Constructionline membership.

Will you just go over the old sealant?

No. Failed sealant is removed and the faces cleaned back to sound, dry material first, since fresh sealant will not bond reliably to aged material.

What guarantee do you give on resealing?

A 12-month guarantee covers our work. It covers our workmanship, not later building movement, damage or frame failures.

How do I request a quote?

The quote form is the simplest route, though you can also phone 01277 525 020 or send photos by email. Include photos or drawings if you have them.

How do you choose the sealant?

A specification, where there is one, decides it. If there isn’t one, it comes down to the joint: how much it moves, what it bonds to and whether it’s wet, trafficked or fire-rated.

Mastic sealing in Strood, done properly

We diagnose before we prescribe: which joints have failed, why, and whether sealant is the right answer. 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 damp patches beside frames and window mastic that has split and shrunk, on communal entrances and stairwells, shopfronts below residential blocks and window and door perimeters on blocks. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: on jobs in Strood, preparation and product choice get the time they need.

For buildings around smaller places like Strood, we group work so one trip covers it. Send photographs of the frames and joints and we will give a fixed quote.

Work we carry out comes with a 12-month guarantee. If an installation problem shows up, call the office on 01277 525 020 or send details through our quote form and we’ll arrange a return visit.

Place
Strood (TN17)
Region
Kent
Cover
A 12-month guarantee
Quote
Fixed quote, scope in writing
Phone
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

From enquiry to sign-off

Before we leave any area, we remove the tape, clean down and inspect every joint, ready for your sign-off. Where the sealant needs time to cure before use, we tell you and sign the area. Rural sites near Strood may need directions, gate codes or a contact on site. Send that with the details and we’ll confirm the plan with the quote.

  1. First comes a look at the joints and, for older buildings, the asbestos records.
  2. A fixed quote covers the joints, products and order of work.
  3. We strip out the old sealant.
  4. The joints are prepared and resealed with the right product.
  5. Buildings are completed in turn.

Before we start on site

  • Share the asbestos register for older buildings
  • Flag any permit to work we will need
  • Have the specification and drawings to hand

Getting a fixed quote

A good quote starts with a clear picture: the joints involved, quantities, access and the product called for. Send what you have, and we’ll arrange a site visit if anything is unclear.

Ask for a quote

Read more

When something else is needed

We check first that sealant really is the fix. It won’t put right:

  • Roof leaks, gutters or failed flashings that aren’t sealant joints
  • Glazing that needs replacing
  • Materials that need asbestos testing before work

If in doubt, give us a call on 01277 525 020 or send photos by email and we will say what we think before you book.

Where we work in Strood

  • Shopfronts below residential blocks
  • Communal entrances and stairwells
  • Window and door perimeters on blocks
  • External wall and movement joints
  • Balcony and threshold joints
  • Communal kitchens and washrooms

How the quote is worked out

To price the job, we consider:

  • Quantities, in metres or numbers
  • Joint width, depth and condition
  • How accessible the joints are
  • Whether old sealant has to be cut out first

A quote for mastic joints depends on how many there are, their condition and the access. Ask us for a fixed quote.

What to include in your enquiry

However big the job, the same details help:

  • The site address and postcode
  • Any dates the work must fit around
  • How the joints are reached, and at what height
  • Any specification or named product

If there’s a specification, drawings or a tender package, send it with your enquiry, and we will price against exactly what is specified. For smaller jobs, photos and a description will do.

What we’re called out for in Strood

The edges of the material itself sometimes break away, such as crumbling render, brick arrises or frame edges. We’ll tell you if the joint edges need repairing before resealing.

Any of the following is a good reason to get the joints checked over:

  • Failed external movement joints
  • Brittle perimeter mastic across a building
  • A mix of products and colours from past repairs
  • Damaged joints in communal entrances and corridors

Older buildings near Strood, from historic houses such as Smallhythe Place, 2.6 miles south-east of Strood, to more modest stock, need compatible products when frames are resealed.

Before you book anyone

  • Do they follow the manufacturer’s priming guidance?
  • Whether their applicators hold CSCS cards
  • Their approach to joint depth and backing
  • Their public liability cover

Choosing a commercial sealant contractor

Why it’s worth doing now in Strood

Draughts round window perimeters cost occupiers comfort, and they often blame the windows. Resealing the perimeters is often the simpler fix when the frames themselves are sound. For buildings around smaller places like Strood, water damage can go unnoticed for longer, especially where a building isn’t used daily, so a failed joint can leak for a while before anyone sees it. Resealing early avoids that.

We don’t publish prices, since every building and every scope is different. Call for a quote.

Why us?

  • Sealing commercial buildings since 2005
  • Fully insured
  • A fixed quote before work starts
  • Colour options checked against the specified product

See how commercial sealant jobs are priced or our accreditations and insurance.

Planned mastic for Strood portfolios

At about 44 miles from central London, Strood is within reach of the capital. Within reach of London, blocks run by agents and associations are common around stations. Strood sits in one of the drier corners of the country, the South East. External mastic still waits for dry faces and the right temperature, and elevations facing the sun and the prevailing weather are normally where frame mastic ages first.

If your remit includes a building such as Rolvenden Primary School, frame and door mastic can be programmed for the holidays. If you’re responsible for a building such as Parish Church of St Mary, frame and door mastic needs the same attention as any other property.

Strood is about 11 miles south-west of Ashford, in Kent. If you’re looking for mastic sealing in Strood, we can help, as we do across Kent. Our Kent coverage takes in 931 places, from busy centres to rural villages. There’s a separate page for Brighton, roughly 37 miles from Strood.

Anyone looking for mastic sealing in TN17 gets the same process as the rest of our area: send details, get a quote, we seal, guaranteed. Streets here include Rolvenden Hill and Tenterden Road, and sites on any of them can send details for a fixed quote. If your building is just outside Strood, we cover Rolvenden (1 mile south-west), Rolvenden Layne (1 mile south), West Cross (1 mile west), Parkgate (2 miles north) and Broad Tenterden (2 miles east). Bigger towns within reach include Maidstone (15 miles north), Ashford (11 miles north-east), Paddock Wood (14 miles north-west), Bearsted (15 miles north), Park Wood (13 miles north) and Kennington (13 miles north-east).

Landmarks near Strood

We work on buildings around Turners Field and Homewood School and Sixth Form Centre, among other places. Well-known places in the area include The C.M Booth Collection (1 mile south-west) and Benenden Hospital (2.4 miles north-west).

Map of Strood © OpenStreetMap contributors

Aftercare for building managers

Every sealant joint needs some looking after, and their life depends on movement, exposure, cleaning and use. Our advice:

  • Track which buildings were done and when
  • Include mastic in your cyclical inspections
  • Plan resealing building by building rather than complaint by complaint
  • Protect low-level joints in entrances

Keep records of when each building was resealed. It helps plan the next round and gives you a history.

Mastic fails gradually, then all at once in a wet spell. Acting at the first signs keeps it a straightforward reseal and saves internal repairs.

Accreditations

Trusted. Accredited. Insured.