Mastic sealing for building owners and managing agents in Borehamwood, Hertfordshire
Mastic sealing in Borehamwood, backed by over 20 years in commercial sealing. Fully insured, with a 12-month guarantee.
- Worn sealant at communal door frames
- Old repairs sealed over failed mastic
- Complaints coming in block by block
Mastic sealing across Borehamwood
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
Mastic sealing for commercial buildings in Borehamwood
Different joints need different sealants. Low-modulus neutral-cure silicone suits many window perimeters and external movement joints, while hybrid polymer sealants grip many materials and are often paintable, and colours are confirmed for whichever product is used. We work on window and door perimeters on blocks, shopfronts below residential blocks and communal kitchens and washrooms, and the usual reasons a site gets in touch are a mix of products and colours from past repairs and repeated reactive repairs to the same buildings. Whoever orders the work in Borehamwood, the brief is typically the same: a clear scope, tidy work and joints that don’t fail again.
In Borehamwood, as in most towns, a block may have frames from several eras, which leaves perimeter mastic of very different ages. A look at the whole building shows which joints need doing now.
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.
- Where
- Borehamwood (WD6)
- Region
- Hertfordshire
- Cover
- 12 months on our workmanship
- Price
- A fixed quote before we start
- Phone
- 01277 525 020
- Updated
- 3 November 2026
Why it’s worth doing now in Borehamwood
Resealing ahead of leaks keeps it to a maintenance task. Once water has tracked in, the repair list grows, and the complaints come with it. For businesses and landlords in Borehamwood, a tidy, sound joint also matters for appearance. Renewing it keeps the building looking cared for.
A quote for mastic joints depends on how many there are, their condition and the access, and any specification that applies. Call for a quote.
Why us?
- One phone line for London, the South East and Scotland
- Colour options checked against the specified product
- Specification-led, product-correct work
- Coloured sealants to suit the setting, where available
Quoting for work in Borehamwood
Before we quote, we look at:
- Working within restricted access windows
- Removal of failed or old sealant
- Travel to remote or island sites
- Induction, permit and paperwork requirements
Quantities, awkward access and phased working all shape the price. Site requirements like inductions and permits play a part as well.
Sending details for a quote
The more we know, the firmer the quote. Helpful details to send:
- Any specification or named product
- Whether an asbestos survey exists
- Where the site is, with the postcode
- Any dates the work must fit around
Send us photos, drawings or a joint schedule are often enough for a fixed quote. Where a site visit makes more sense, we’ll arrange one.
Borehamwood: questions and answers
Can you quote for a block close to Elstree & Borehamwood station?
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 will quote and plan to suit.
Can you work at a site such as Borehamwood Shopping Park, by Borehamwood?
Yes. We cover Borehamwood and the area around it, including industrial estates, business parks and retail parks such as Borehamwood Shopping Park. Photos and a short description are enough for a first look.
Which sealant will you use?
If the job is specified, we follow the specification. If not, we choose for the movement, the surfaces and the conditions, in line with the manufacturer’s guidance.
Do you work in Borehamwood?
Yes. Borehamwood falls within our area, and you can ring 01277 525 020 or send photos by email to get started.
Will residents or tenants be disturbed?
The work is planned around occupiers. Dates and areas are agreed with you so residents or tenants can be told, and entrances stay in use.
Do you do block-wide mastic programmes?
Yes. Each building is inspected, quoted and scheduled in turn, and the programme can start with the worst.
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.
Also near Borehamwood
Also in Borehamwood
After the work
For the best life from the joints:
- Avoid piecemeal callouts where you can
- Look at the sunniest and most exposed elevations first
- Ask residents or tenants to report leaks and draughts early
- Have the asbestos survey to hand for older buildings
Include sealant in planned building inspections. Watch for splits, open gaps, hard or chalky surfaces and mastic pulling away, and note the building and elevation.
Leaks at window perimeters spoil finishes and can affect frames. Early resealing is far simpler than repairs inside.
When to call us in Borehamwood
Occasionally the substrate fails, not the sealant, such as crumbling render, brick arrises or frame edges. If the edges are unsound, we say so before quoting the sealing.
Common reasons buildings call us in:
- Damaged joints in communal entrances and corridors
- Brittle perimeter mastic across a building
- Failed external movement joints
- Draught complaints from residents or tenants
If you are responsible for a building such as All Saints church, frame and door mastic needs the same attention as any other property.
Questions to ask before you book
- Their approach to joint depth and backing
- How the existing material will be dealt with
- How long is the guarantee, and what does it include?
- Whether primer will be used where the manufacturer specifies it
Planned mastic for Borehamwood portfolios
Borehamwood is about 14 miles from central London. Managed blocks of flats are a big part of commuter-belt property. Four care or nursing homes sit less than 2 miles from Borehamwood. Owners of care premises can bring window and door mastic into a phased programme planned around the home.
For agents with blocks near Elstree & Borehamwood station, 0.6 miles to the south-west of Borehamwood, a block-wide mastic programme deals with frames, balconies and entrances in one go. Site managers at schools like St Teresa Catholic Primary School can fit frame mastic into the summer works.
Borehamwood is about 5 miles east of Watford, in Hertfordshire. We cover Borehamwood and the rest of Hertfordshire, with the same fixed quotes and 12-month guarantee as everywhere else. Borehamwood is one of 371 places in Hertfordshire on our list. London is covered too, some 14 miles away.
We cover the WD6 postcode districts. We cover commercial and managed buildings on Station Road, Canterbury Road and Eldon Avenue. Access to Borehamwood is via the A1 and A5135. Nearby places we also cover include Well End (1 mile north-east), Green Street (1 mile north), Deacon's Hill (1 mile south), Rowley Green (1 mile east) and Elstree (2 miles south-west) for mastic joints. A short drive away, we cover Watford (5 miles west), Hemel Hempstead (10 miles north-west), St Albans (7 miles north), Welwyn Garden City (10 miles north), Harpenden (11 miles north) and Hoddesdon (13 miles north-east).
Near you in Borehamwood
Recent enquiries here include premises near Aldenham Country Park, The Pick & Shovel pub and Yavneh College and the streets around them. The closest station to Borehamwood is Elstree & Borehamwood station, about 0.6 miles south-west of the centre. Well-known places in the area include Royal National Orthopaedic Hospital (2.4 miles south-west) and Spires Shopping Centre (3.1 miles east). The countryside around Borehamwood includes Darland's Lake and Rowley Lodge Field.
From enquiry to sign-off
Before any cutting starts, the area is protected: tape along each joint edge and covers over finishes, stock and equipment close by. The work itself typically takes one or more days per building, depending on the joint lengths and the access, and we clear our waste as we work. If you have more than one building in Borehamwood, they can often be done on the same visit. Tell us when the building is open and we’ll plan to suit.
- We inspect each building and record the joints that have failed.
- The quote is fixed and split as suits you.
- Dates and areas are agreed so occupiers can be told.
- Old mastic is removed and the joint faces prepared.
- New sealant goes in with backing rod and primer where needed.
- Each building is checked and signed off with the 12-month guarantee.
Getting the site ready
- Share your working hours and any access restrictions
- Have the specification and drawings to hand
- Clear stock, furniture or equipment away from the joints
Get a fixed quote
For a fixed quote, ring 01277 525 020 or email us, telling us the site location and the nature of the job. Our quote form is another easy route.
Related advice
Work for main contractors and building owners
If you look after buildings for someone else, clear figures and clear communication matter. We quote a fixed sum, confirm the scope and walk the finished work with you or your representative, plus a 12-month guarantee.
Blocks and communal areas make up much of the work for housing associations and agents. We phase the work so people keep access, with each stage agreed with your site contact.