Facade Sealing contractors in Lenham Heath
Facade joint and window perimeter sealing on commercial buildings across Lenham Heath, carried out by CSCS-carded applicators. CHAS accredited and fully insured.
- Draughts around frames and panels
- Gaps between rainscreen or cladding panels
- Previous reseals run over old sealant
Need facade sealing in Lenham Heath?
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
Lenham Heath: questions and answers
Can you work to our programme on a site in or near Lenham Heath?
Yes. Send the programme and drawings, and we will plan the mastic to suit the stages. We’re CHAS accredited and a Constructionline member, and paperwork such as RAMS is confirmed with the quote.
Can you work around term dates at a campus such as Canterbury Christ Church University?
Yes, holiday working periods are the norm on campus jobs. Tell us which site documents you need, such as RAMS, our insurance certificate or CSCS details, and they’re confirmed with the quote.
Can you work on upper floors?
Access is planned with you before we quote. Tell us about access: existing scaffold, what you’re arranging and any site restrictions.
Are your applicators CSCS-carded?
Yes. Should the site need card details in advance, let us know and we’ll send them with the quote.
How do I request a quote?
You can use the quote form on this site; alternatively, give us a call on 01277 525 020 or use the quote form. Photos, drawings or a joint schedule help us quote quickly.
Will you just go over the old sealant?
No, never. Sealing over old material is one of the classic causes of early joint failure, so it all comes out first.
How long does a typical visit take?
That varies with the scale of the job, but the work usually takes longer on a full elevation than on a handful of window perimeters, and it always depends on dry weather. Larger or phased jobs take longer, and we will give you a timescale with the quote.
About our facade sealing in Lenham Heath
We don’t install glazing systems or replace glass. We handle the sealant joints that surround those elements: the frame-to-structure perimeter, panel-to-panel joints and window and door surrounds, using sealants classified for facade or glazing use. The enquiries we see most involve failed sealant on precast panel joints and old perimeter mastic that has dried out, across coping and flashing joints, window and door perimeters and cladding panel joints. Facilities teams, main contractors and managing agents in Lenham Heath tend to want the same three things: a clear scope, tidy work and joints that don’t fail again.
Construction in and around smaller places such as Lenham Heath is often barn conversions, small groups of houses or extensions to halls and schools. Perimeters, facade joints and internal sealant all need doing properly, however small the scheme.
What our 12-month guarantee covers is the way we did the job: the preparation, the sealing and the tooling. Damage, later alterations by others and movement beyond what the joint was designed for sit outside it.
- Where
- Lenham Heath (ME17)
- Wider area
- Kent
- Cover
- 12 months on every job
- Quote
- Fixed quote, scope in writing
- Telephone
- 01277 525 020
- Updated
- 3 November 2026
General trades versus a specialist
Certain joints really need a specialist: fire-rated seals that must follow a tested detail, trafficked floor joints and external movement joints among them. A poor seal in places like these tends to cost more to put right later.
There’s also the paperwork. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and we’ll confirm the paperwork you need with the quote.
Common problems we fix in Lenham Heath
When sealant lets go of a frame or panel, the cause is often the preparation. Dust, old sealant residue, damp or a missing primer stop it bonding properly.
Typical triggers for a call:
- Cladding panel joints that have opened up
- Draughts around frames and panels
- Discoloured or dirty facade joints
- Facade joints cracked through the middle
School extensions, at buildings such as The Lenham School, usually run to the summer holidays, mastic included.
What your quote should include
- Their public liability cover
- Their plan for phasing and protecting the area
- The named product and why it was chosen
- Will CSCS-carded applicators be on site?
How a job runs
Tell us your site hours and access windows and we’ll plan around them. On the day, the work area is kept contained and tidy, and we check in with your contact before moving on to each new area. Jobs in and around smaller places like Lenham Heath are usually planned as a single visit, so photos and measurements up front really help. Then the right materials arrive with us.
- Photos, drawings or a visit tell us about the joints and the access.
- We confirm the joint type, movement and the specified product.
- The existing bead comes out in full.
- Primer is applied where the maker specifies it.
- Rod goes in to fix the depth, then the joint is sealed and tooled.
- We go over the completed work with you before leaving.
Before we start on site
- Share your working hours and any access restrictions
- Clear stock, furniture or equipment away from the joints
- Explain the parking and delivery arrangements
Get a fixed quote
Specifications, drawings and tender packages are welcome with any enquiry, and we will price against exactly what is specified. Smaller jobs need nothing more than photographs and a few notes.
Read more
What happens if it’s left?
Leaving failed perimeter sealant also makes the eventual job bigger: wet edges break down, so repairs may be needed before resealing. Early action keeps it simple. Halls, stores and units around places like Lenham Heath may not be checked every day, so a failed joint can leak for a while before anyone sees it. Renewing joints in good time avoids the problem.
Larger quantities, tricky access or phasing all shape the price. Site requirements like inductions and permits play a part as well, along with the time of year for external work.
Why choose Mastic Doctor in Lenham Heath
- 12 months’ guarantee on every job
- CHAS accredited contractor
- Colours confirmed for the specified product
- Commercial sealant work since 2005
Looking after the joints
To get the most from the new sealant:
- Note when each elevation was last resealed
- Clear debris that holds water against joints
- Walk the elevations once or twice a year
- Brief window cleaners about newly sealed joints
Include facade joints in your planned maintenance inspections. Signs to look for are cracking, edges lifting, chalking and stiffness; record the locations.
Deal with sections that fail early as soon as they show. A few metres resealed promptly can stop water damage spreading inside the building.
Different surfaces, different methods
Window and door perimeters
Aluminium, PVC-U and timber frames each have their own preparation needs. We clean and prime to the sealant maker’s guidance for each surface.
Render and coated surfaces
Where the joint will be painted over, a paintable hybrid or PU sealant may suit. We confirm the product with you before starting.
Places near Lenham Heath
Other services in Lenham Heath
Mastic packages on Lenham Heath sites
Lenham Heath 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. Central London is about 41 miles from Lenham Heath. Towns within reach of London tend to keep building, from flats to offices and schools, which keeps mastic packages in demand.
For a contractor at a hotel such as Chilston Park Hotel, 1.4 miles west of Lenham Heath, the mastic often has to be finished before a reopening date. Building work at universities like Canterbury Christ Church University (to the north-west of Lenham Heath) is often timed for the summer, mastic included.
Lenham Heath is about 8 miles north-west of Ashford, in Kent. Any commercial site in Lenham Heath is covered, for single jobs and planned programmes alike. We work across 931 places in Kent. There’s a separate page for London, roughly 41 miles from Lenham Heath.
Business premises anywhere in ME17 are within our area for facade joints. If your site is on Lenham Forstal Road, Crabtree Lane and Rose Lane or close by, send details and we’ll quote for facade joints. Nearby places we also cover include Lenham Forstal (1 mile north-west), Charing Heath (1 mile south-east), Stonebridge Green (1 mile south), Leadingcross Green (2 miles north-west) and Lenham (2 miles north-west). Nearby towns on our patch include Maidstone (10 miles west), Ashford (8 miles south-east), Canterbury (15 miles east), Sittingbourne (9 miles north), Faversham (9 miles north-east) and Minster (14 miles north).
Near you in Lenham Heath
We work on buildings around The Red Lion Inn. The nearest railway station is Lenham station, about 2 miles north-west of the centre. A little further out are Coldbridge Castle (2.4 miles south-west).