
Construction Mastic in Forstal
Mastic packages for new-build and refurbishment projects across Forstal, by CSCS-carded applicators. CHAS accredited and fully insured.
- New external sealant already peeling away
- Oversized or tapered gaps around new frames
- Inconsistent sealant finishes from plot to plot
Construction mastic for businesses in Forstal
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
How a job runs
Where the site stays busy, we agree a sequence with your contact so the disruption stays in one area at once. Each area is protected, prepared and sealed, then handed back before we move to the next. For work around Forstal, we aim to finish in one visit, so we ask for photographs and rough sizes first. Then the right materials arrive with us.
- First we take quantities off the drawings and read through the specification.
- We return a fixed quote that ties the mastic package to your programme.
- Any site paperwork you need (RAMS, insurance certificate, CSCS details) is confirmed with the quote.
- Work follows the programme, area by area, as rooms and elevations become ready.
- Every joint is prepared, set to depth and sealed with the specified product.
- We close out snagging and hand over with a 12-month guarantee.
Getting the site ready
- Tell staff and tenants when we will be in
- Share your working hours and any access restrictions
- Arrange parking or a loading space
Quotes
Every quote starts with the facts: the joints involved, quantities, access and the product called for. Share whatever details you have and we’ll fill any gaps with a visit.
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How we handle construction mastic in Forstal
We work to the specification and the programme rather than whatever product is to hand. If a product is named, that’s what goes in; any alternative we suggest is put to you before anything changes. Backing, primer and depth follow what the sealant maker sets out, so the joints perform as the designer intended. We work on brick and block movement joints, internal decorators’ caulk and window and door perimeters, and the failures we are asked to look at most are old sealant on a refurbishment that needs stripping before new work and early adhesion failures on new external joints. Most enquiries from Forstal start with one failed joint and grow into a wider look at the building: we look at the rest while we’re there and tell you what we find.
For a site near Forstal, the mastic visit is planned so the right sealants, primers and backing rod are on hand. Drawings, photos and the programme let us give a fixed quote.
Every job is signed off with a 12-month guarantee. It’s a plain promise: if the work we did fails within twelve months, we return to fix it.

- Where
- Forstal (ME20)
- Region
- Kent
- Guarantee
- A 12-month guarantee
- Quote
- Quoted before any work starts
- Phone
- 01277 525 020
- Page updated
- 3 November 2026
Work for main contractors and building owners
Housing associations and managing agents often need work done across blocks and communal areas. Work can be phased so residents and staff keep access throughout, and each stage is agreed with your contact.
CHAS accredited and a Constructionline member, we make supplier vetting simple. We are fully insured, and our insurance certificate can go with the quote.
Cost factors for mastic packages
Your fixed quote is built from the real scope. It allows for:
- Joint width, depth and condition
- Working within restricted access windows
- Induction, permit and paperwork requirements
- Specialist products, such as fire-rated or hygienic sealants
Cost follows what’s involved: stripping out, preparation, sealing, access and phasing. Call for a quote and we will explain how it’s made up.
What to include in your enquiry
However big the job, these details speed things up:
- The asbestos register, for older buildings
- The type of building and who uses it
- Rough lengths or quantities, or drawings if you have them
- Any specification or named product
Tell us about the building, the joints and when you need the work done, and a fixed quote will follow. To get it moving, call the office on 01277 525 020 or email us.
When something else is needed
We check first that sealant really is the fix. It isn’t the answer for:
- Faulty frames rather than failed sealant
- Rework caused by others damaging completed areas
- Specifying the product where the designer hasn’t
Not sure which it is? You can call the office on 01277 525 020 or email the details over and we will tell you honestly.
Joints and surfaces we work on
- Floor and skirting junctions
- Window and door perimeters
- Internal decorators’ caulk
- Sanitary and kitchen joints
- Brick and block movement joints
- Cladding and panel joints
Questions about Forstal
Does your area include sites such as Mid Kent Shopping Centre, near Forstal?
Yes. Estates, retail parks and business parks around Forstal, Mid Kent Shopping Centre among them, are all within reach. To start, just call the office on 01277 525 020 or use the quote form with the unit, the joints involved and your access times.
Could you schedule work at a campus like University for the Creative Arts for the vacation?
Yes. Tell us the term dates, vacation periods and access windows, and we will plan the work around them. Let us know which documents your site asks for, and we will confirm them alongside the quote.
What site paperwork can you supply?
Let us know which documents the site needs, such as RAMS, an insurance certificate or CSCS details, and we’ll confirm them with the quote.
Do you guarantee new-build sealant work?
It carries a 12-month guarantee on our workmanship. We carry five million pounds of public liability insurance.
How long will the new sealant last?
There isn’t a single answer, because life depends on how much the joint moves, how exposed it is and how it’s cleaned and used. Regular inspection is the best way to catch problems early.
Do you work in Forstal?
Yes. We take on work across Forstal, and the same phone number covers every area.
Do you need to see the site first?
It depends on the job. Straightforward work can often be priced from photos and measurements, while larger or less clear jobs get a site visit first.
Common problems we fix in Forstal
Frames installed with uneven gaps make perimeter sealing harder. Every product has limits on how wide a joint it can bridge. Better to raise it at the start than seal a joint that’s bound to fail.
Most enquiries start with one or more of the following:
- Early adhesion failures on new external joints
- Failed sealant in an existing building being refurbished
- Frame perimeters left unsealed or poorly sealed
- Snag items on joints that need redoing before handover
For a contractor working at a hospital such as The Somerfield Hospital (1.9 miles south of Forstal), perimeter and facade sealing is planned around patients and deliveries.
What to look for in a quote
- How the joint faces will be prepared and primed
- Health and safety accreditation such as CHAS
- How they’ll work around occupants
- Is the sealant right for the movement and the substrate?
Also in Forstal
Building and refurbishing in Forstal
Forstal is about 29 miles from central London. Towns within reach of London tend to keep building, from flats to offices and schools, which keeps mastic packages in demand. Forstal has a number of hotels close by, all within 2 miles. When hotels extend or refit, the work is usually squeezed between peak periods, mastic included.
For contractors on a campus like University for the Creative Arts, 2.2 miles to the south of Forstal, facade and perimeter sealing has to fit around students and term dates. School extensions, at buildings such as St Peter's Church of England Primary School, normally run to the summer holidays, mastic included.
Forstal is about 3 miles north-west of Maidstone, in Kent. Our applicators travel to Forstal for work on mastic packages. Across Kent, 931 places are covered, Forstal among them. Sites around London have their own page, roughly 29 miles from Forstal.
Anyone looking for construction mastic in ME20 gets the same process as the rest of our area: details, then a fixed price, then sealing and a 12-month guarantee. Buildings on Beddow Way and Forstal Road are within our area for mastic packages. If your building is just outside Forstal, we cover Pratling Street (1 mile north-east), Eccles (1 mile north-west), New Hythe (2 miles west), Burham (2 miles north) and Larkfield (2 miles west). Nearby towns on our patch include Maidstone (3 miles south-east), Sittingbourne (11 miles east), Dartford (15 miles north-west), Sevenoaks (13 miles west), Royal Tunbridge Wells (15 miles south-west) and Gravesend (10 miles north-west).
Near you in Forstal
We work on buildings around Aylesford School, The Bush pub and Tyland Barn. The nearest railway station is Aylesford station, roughly 1.2 miles west of the centre. Nearby you will also find Medway megaliths (1 mile north) and Maidstone Hospital (2 miles south). Green spaces nearby include Boxley Hills and Burham Down.
Looking after the joints
Problems stay small when the joints are checked regularly. Specifically:
- Don’t force external sealing on a damp or frosty day
- Protect sealed areas from following trades
- Stick to the specified sealant rather than a generic substitute
- Brief the final clean team to avoid blades near sealant
After we’ve sealed an area, it helps to keep other trades from damaging the joints. New beads should be left to cure before cleaning or decorating nearby.
Oversized gaps are a problem better caught early. Sealant stretched over an oversized gap won’t last, so the installer needs to correct it first. We flag them as soon as we see them.