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

Loxwood mastic sealing

Looking for mastic sealing in Loxwood? It’s simple: send details, get a quote, we seal, guaranteed.

  • Window mastic that has split and shrunk
  • Open joints in brickwork or panels
  • Water getting in round frames after rain
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
12-month guarantee on our workmanship.
London, the South East & Scotland
Constructionline member
Fully insured: £5m PL

Mastic sealing for businesses in Loxwood

Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.

What we are called out for in Loxwood

Sunlight and weather break mastic down over time. It stiffens, stops stretching and cracks most of all on the sunniest and most exposed elevations.

Clients typically get in touch after noticing one or more of the following:

  • Damp patches beside frames
  • Brittle perimeter mastic across a building
  • Estate-wide sealant that is simply worn out
  • Repeated reactive repairs to the same buildings

Site managers at schools like Loxwood Primary School can fit frame mastic into the summer works.

Before you book anyone

  • Who will actually carry out the work
  • Whether primer will be used where the manufacturer specifies it
  • Is the sealant right for the movement and the substrate?
  • What level of public liability insurance do they hold?

Choosing a commercial sealant contractor

Mastic sealing in Loxwood, done properly

On a residential block, the work happens around people’s lives. Dates, areas and the order of work are agreed with you in advance so you can let residents know what is happening. Communal entrances and stairs stay usable while we work. Site teams most often ask us about old repairs sealed over failed mastic and window mastic that has split and shrunk, on external wall and movement joints, shopfronts below residential blocks and communal entrances and stairwells. For commercial sealant work in Loxwood, you deal with one contact from quote to sign-off, for single jobs and planned programmes alike.

In and around smaller places like Loxwood, landlords and agents often look after small groups of housing association properties, converted farm buildings and community buildings. Frame and wall-joint mastic on all of them ages and hardens.

Every job we finish is backed by a 12-month workmanship guarantee, wherever the site is. If our installation lets you down in that time, we return and fix it.

Place
Loxwood (RH14)
Region
West Sussex
Cover
A 12-month guarantee
Quotes
Quoted before any work starts
Telephone
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

Leave it or put it right?

Draughts round window perimeters cost occupiers comfort, and they often blame the windows. In many cases, new perimeter sealant deals with it where the frames themselves are sound. One visit to deal with every failing joint makes more sense than several trips to a place like Loxwood. Photos of every joint help us quote for the whole job.

What a job costs comes down to how many linear metres there are, how much old material needs removing and how the joints are reached. Call for a quote when you are ready.

Why clients in Loxwood choose us

  • Clear, fixed quotes
  • One number for every site we cover
  • Health and safety: CHAS accredited
  • Specification-led, product-correct work

See our cost guide and how we’re accredited.

Blocks and managed buildings in Loxwood

Central London is about 34 miles from Loxwood. Around the capital’s commuter belt, managing agents look after many blocks close to stations and town centres, and window and balcony mastic on them tends to age at the same rate. Loxwood sits in one of the drier corners of the country, the South East. 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.

Trustees of buildings like St John the Baptist can bring frame and external mastic into a planned maintenance list.

Loxwood is about 9 miles west of Horsham, in West Sussex. Commercial clients in Loxwood can call on us for mastic joints. Loxwood is one of 373 places in West Sussex on our list. Sites around Brighton have their own page, about 24 miles away.

Postcode districts covered here: RH14 for mastic joints. If your site is on High Street, Pond Close and Oak Grove or close by, send details and we’ll quote for mastic joints. Just outside Loxwood, we also work in Ifold (1 mile south-west), Alfold Bars (1 mile north), Alfold (1 mile north), Plaistow (2 miles west) and Durfold Wood (3 miles west). A short drive away, we cover Crawley (14 miles east), Horsham (9 miles east), Broadfield (14 miles east), Storrington (11 miles south), Billingshurst (5 miles south-east) and Bewbush (13 miles east).

What’s near Loxwood

The countryside around Loxwood includes Shillinglee Lake.

Map of Loxwood © OpenStreetMap contributors

From enquiry to sign-off

At the end of each section, we remove the tape, clean down and inspect every joint. Where the sealant needs time to cure before use, we tell you and sign the area. Jobs in and around smaller places like Loxwood are typically planned as a single visit, so we ask for photos and rough sizes first. Then the right materials arrive with us.

  1. A building-by-building inspection lists the failed joints.
  2. The quote is fixed and split as suits you.
  3. We agree the programme and dates with you.
  4. Failed sealant is removed and the faces prepared.
  5. New sealant goes in with backing rod and primer where needed.
  6. We check the finished work and confirm the guarantee.

Before we start on site

  • Tell us which areas need to stay in use
  • Clear stock, furniture or equipment away from the joints
  • For older buildings, check the asbestos register before work

Ask for a quote

A handful of photos and a postcode is the fastest way to a quote. Upload them with the quote form, or ring 01277 525 020 or email a schedule or drawings if you’d rather talk the job through.

Get a quick quote

Related advice

Questions we are asked in Loxwood

Can you quote for mastic across several buildings in and around Loxwood?

Yes. Portfolio-wide programmes are a regular request. Residents are given notice through you, and the work moves building by building.

What paperwork can you provide for a job in Loxwood?

RAMS, insurance certificate, CSCS details: list what the site needs and we’ll confirm it with the quote. We hold £5m public liability insurance, are CHAS accredited and a Constructionline member, and our applicators are CSCS-carded.

Do you guarantee the mastic work?

Our workmanship carries a 12-month guarantee, backed by public liability insurance.

Can people stay in the building while you reseal?

Occupiers stay in the building throughout. We flag any areas that need internal access well before the dates so it can be arranged.

Can you take on resealing for a block portfolio?

Yes, block and estate work is a core part of what we do. We work through buildings in a planned order with dates agreed in advance.

Are you CHAS accredited and on Constructionline?

Yes. We’re CHAS accredited, we are a Constructionline member and we use CSCS-carded applicators.

How long do sealant joints last?

There isn’t a single answer, since movement, weather, cleaning and use all affect it. Regular inspection is the best way to catch problems early.

General trades versus a specialist

For most general trades, sealant is a sideline. A specialist prepares properly, controls joint depth and picks a product with the right movement class.

Putting right a botched joint often costs more than sealing it well at the start, because the whole bead must be removed and the faces cleaned back again. That’s why many clients bring in a specialist from the beginning.

Looking after the joints

Once the work is signed off, these steps help:

  • Protect low-level joints in entrances
  • Check the asbestos register before any old mastic is disturbed
  • Track which buildings were done and when
  • Start inspections with the most exposed faces

Log the date and extent of the resealing for each block. It helps plan the next round and gives you a history.

Failed mastic often goes unnoticed until heavy rain finds it. Acting at the first signs keeps it a straightforward reseal and the complaints that come with it.

What the job involves on each surface

Communal areas

Entrance doors, screens and corridor junctions in communal areas all have sealant joints. Tidy, sound joints keep them looking cared for.

Window and door perimeters on blocks

Blocks have a mix of frame materials, and the product is matched to the frame material and the masonry. We’ll confirm the colours available for the specified product.

Accreditations

Trusted. Accredited. Insured.