Mastic sealing for building owners and managing agents in Crawley, Hampshire
Mastic sealing for building owners, managing agents and housing associations across Crawley, by CSCS-carded applicators. Fully insured and CHAS accredited.
- Patchy repairs in mismatched sealant
- No planned programme for sealant
- Occupiers reporting cold air round windows
Mastic sealing for Crawley sites
Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.
Questions we are asked in Crawley
Is Beeches Industrial Park, near Crawley, within your area?
Yes. Our area takes in Crawley and its surroundings, with estates and business parks such as Beeches Industrial Park included. A few photos and the unit address let us price the work.
We manage a building near Winchester station. Can you help?
Yes, we work for agents, landlords and housing associations with blocks of every size. Give us the building’s details and say how residents are notified, and we’ll quote and plan to suit.
Do you supply RAMS and insurance details?
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 are CHAS accredited and a Constructionline member.
What if the old mastic contains asbestos?
In older buildings, old mastic can contain asbestos. We ask for the asbestos register or survey before work starts, and if it’s suspected, work stops until it’s tested.
How long does a job like this take?
We plan the time on site around your programme and access. We’ll give you an estimate of time on site when we quote.
Can you follow the specification on our project?
Yes. Send it with your enquiry, and we will price the work to it.
How soon can the area be used again?
We’ll confirm how long the chosen product needs to cure.
Mastic sealing for commercial buildings in Crawley
Mastic Doctor has sealed joints on commercial and residential blocks since 2005. Every applicator holds a CSCS card, and the work is backed by public liability insurance. Resealed mastic joints in Crawley carry our 12-month guarantee. We work on communal kitchens and washrooms, communal entrances and stairwells and external wall and movement joints, and the failures we’re asked to look at most are failed external movement joints and repeated reactive repairs to the same buildings. Facilities teams, main contractors and managing agents in Crawley tend to want the same three things: a clear scope, tidy work and joints that don’t fail again.
Owners and agents with buildings around smaller places such as Crawley tend to manage small terraces of association properties, converted barns and commercial units. Mastic around frames and on external joints wears out in time, whatever the building.
We stand by our work: 12 months, guaranteed. That covers our preparation and application.
- Where
- Crawley (SO21)
- Wider area
- Hampshire
- Guarantee
- A 12-month guarantee
- Quote
- Quoted before any work starts
- Telephone
- 01277 525 020
- Last updated
- 3 November 2026
Different surfaces, different methods
Communal areas
We keep entrances and stairs open throughout. Work is planned in sections.
Tenement and older buildings
Older mastic can contain asbestos and the register is checked before anything is disturbed. Suspect material is tested before work continues.
Planned mastic for Crawley portfolios
Rainfall across the South East, Crawley included, is lower than in many parts of the UK. Outside work still depends on dry joints, and elevations facing the sun and the prevailing weather are normally where frame mastic ages first. Crawley lies roughly 62 miles out from central London. Within reach of London, blocks run by agents and associations are common around stations.
Buildings close to stations like Winchester station, 4.5 miles to the south-east of Crawley, are often flats over shops, with frame mastic to keep sound. Older community buildings, Church of St Mary among them, often have frames of mixed ages whose mastic varies. Student blocks close to universities like University of Winchester (to the south-east of Crawley) are easiest to work on between tenancies.
Crawley is about 5 miles north-west of Winchester, in Hampshire. We cover Crawley and the rest of Hampshire, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. Our Hampshire coverage takes in 723 places, large and small. For work in that direction, see our Southampton page, about 13 miles away.
Work on mastic joints is covered throughout SO21, whatever the building. Close to Crawley, our area also takes in Worthy Down (3 miles east), South Wonston (3 miles east), Sutton Scotney (4 miles north-east), Barton Stacey (4 miles north) and Springvale (4 miles east). A short drive away, we cover Winchester (5 miles south-east), Eastleigh (10 miles south), Andover (8 miles north-west), Totton (14 miles south), Chandler's Ford (9 miles south) and Hedge End (14 miles south).
Near you in Crawley
In Crawley, that means premises near Fox And Hounds Public House, among other places. Crawley’s nearest station is Winchester station, about 4.5 miles south-east of the centre. Nearby you will also find Winchester Castle (4.8 miles south-east) and Royal Hampshire County Hospital (4.5 miles south-east). The countryside around Crawley includes Winnall Moors.
What affects the price in Crawley
What shapes the price:
- Whether old sealant has to be cut out first
- The size and state of each joint
- Site requirements such as inductions and permits
- Travel to remote or island sites
Quantities, awkward access and phased working all shape the price. Site requirements like inductions and permits play a part as well.
What to include in your enquiry
Diagnosis starts before we arrive. Let us know:
- Anything awkward about access or site hours
- Approximate linear metres or a joint schedule
- Asbestos survey details if the building is older
- The product your specification calls for
Quotes are fixed against the scope you send, so you know the figure before anyone is on site. To ask for one, call the office on 01277 525 020 or email a schedule or drawings.
How a job runs
Working in a building that stays open takes some planning. We sign and contain the area we are in, with routes through the building left open and move on in phases so staff and visitors can carry on around us. If others near Crawley need work, visits can be combined. A fixed quote is given before anything starts.
- We inspect the joints, building by building, and record what has failed and why.
- 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.
- Failed mastic is removed and the faces taken back to sound, dry material.
- Backing rod and primer go in as the joint requires, then the new bead is placed and tooled.
- Each building is checked on completion and the work carries our 12-month guarantee.
Preparing the site
- Make sure the joints can be reached
- For older buildings, check the asbestos register before work
- Warn occupants and staff about the work
Get a fixed quote
A handful of photos and a postcode is the fastest way to a quote. Send them through the quote form, or phone 01277 525 020 or email the details over to discuss it first.
Related advice
Commercial clients in Crawley
Main contractors use us as their sealant subcontractor. We work to your programme, your specification and your site rules, with CSCS-carded applicators on site.
Whether you are a managing agent, a property factor or an owner’s representative: send details, get a fixed quote, we seal, guaranteed. Keys, access and contacts can be agreed in advance.
Site staff or a sealant specialist?
Some joints are best left to specialists: for example fire-rated seals that must match a tested detail, trafficked floor joints and external movement joints. A poor seal in places like these tends to cost more to put right later.
The visible bead is only part of the job. Correct depth, the right primer and a sealant matched to the movement are easy to get wrong without experience.
Maintenance after handover
Every sealant joint needs some looking after, and their life depends on movement, exposure, cleaning and use. We suggest:
- Include mastic in your cyclical inspections
- Reduce knocks to communal area joints
- Encourage occupiers to report problems at frames
- Avoid piecemeal callouts where you can
Log the date and extent of the resealing for each block. It helps plan the next round and shows what was done.
One failed perimeter normally means others on the same building are close, so it pays to look at the whole elevation. A planned reseal saves repeated visits.