Mastic sealing for building owners and managing agents in Farnborough, West Berkshire
Mastic sealing for Farnborough, from a contractor working since 2005. Fully insured and CHAS accredited.
- Brittle perimeter mastic across a building
- Draughts at frames across a block
- No planned programme for sealant
Need mastic sealing in Farnborough?
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
Mastic sealing in Farnborough
We diagnose before we prescribe: which joints have failed, why, and whether sealant is the right answer. Old mastic is removed entirely, the faces prepared, primer used where the maker specifies it and new sealant tooled in and backing rod used wherever a joint is deep. The enquiries we see most involve open joints in brickwork or panels and repeated reactive repairs to the same buildings, across external wall and movement joints, window and door perimeters on blocks and balcony and threshold joints. A specialist sealant contractor works differently from a general builder: in Farnborough, that means joint design, primers and backing rod as standard.
Around smaller places like Farnborough, older walls fitted with newer windows are a familiar sight. Perimeter mastic there has to grip an uneven face and suit the building’s character.
Every job we finish is backed by a 12-month workmanship guarantee. If a joint we sealed fails because of how it was installed, we come back and put it right.
- Location
- Farnborough (OX12)
- Wider area
- West Berkshire
- Guarantee
- A 12-month guarantee
- Price
- A fixed quote before we start
- Phone
- 01277 525 020
- Last updated
- 3 November 2026
What the job involves on each surface
Tenement and older buildings
Stone needs a neutral-cure product, so we pick a grade that won’t mark it.
External movement joints
Joint size and product are matched to the expected movement with the width-to-depth ratio set as the manufacturer advises.
Maintenance after handover
Problems stay small when the joints are checked regularly. In particular:
- Mention RAMS, insurance or CSCS requirements up front
- Make it easy for occupiers to report draughts
- Group repairs into a planned programme
- Look at the sunniest and most exposed elevations first
Log the date and extent of the resealing for each block. That makes future programmes easier to plan and gives you a history.
Left open, joint edges in render, brick or frames can deteriorate. Then the edges may need repairing first.
How a job runs
In a busy building, we agree a sequence with your contact so the disruption stays in one area at once. Each section is protected, cleaned back and sealed, then reopened once the sealant allows before we move to the next. Rural sites near Farnborough may need directions, gate codes or a contact on site. Send that with the details and we will confirm the plan with the quote.
- We check the asbestos register for older buildings and look at the joints.
- The products and programme are set out in a fixed quote.
- We strip out the old sealant.
- Joint faces are cleaned, backed and resealed.
- We finish each building before moving to the next.
What we need from you
- Confirm the product named in the specification
- Let building users know which areas are affected
- Point out any areas we must not close
Request a quote
Need a figure for a tender or a budget? Send the scope and any drawings, and we’ll return a fixed quote that you can work with. For a chat about it beforehand, phone 01277 525 020 or email the details over.
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Why it’s worth doing now in Farnborough
Draughts round window perimeters cost occupiers comfort, and they often blame the windows. Resealing the perimeters is often the simpler fix when the frames themselves are sound. Halls, stores and units around places like Farnborough 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.
The work involved drives the cost: removing old material, preparing the joints, the product, the access and how the work is phased. Call for a fixed quote and we’ll explain how it’s made up.
Why us?
- Old sealant cut out, never sealed over
- Fixed quotes based on photographs, drawings or a visit
- 12-month guarantee on workmanship
- Products installed to the manufacturer’s instructions
Take a look at our cost guide or how we’re accredited.
Places near Farnborough
Also in Farnborough
Honest limits
Part of a good diagnosis is knowing where sealant stops. We’ll tell you if the real problem is any of the following:
- Misted or failed double-glazed units
- Materials that need asbestos testing before work
- Frames that are rotten, warped or broken
Not sure which it is? You can speak to us on 01277 525 020 or email us and we will tell you honestly before you book.
Surfaces we seal
- Communal entrances and stairwells
- Communal kitchens and washrooms
- Window and door perimeters on blocks
- Shopfronts below residential blocks
- Balcony and threshold joints
- External wall and movement joints
What sets the cost
Quotes vary with the job. It mainly depends on:
- The site’s rules and procedures
- Whether old sealant has to be cut out first
- Backing rod, priming and other preparation
- Quantities, in metres or numbers
What a job costs comes down to the quantity of joints, what has to come out first and how the joints are reached. Call for a fixed quote when you’re ready.
Before you send an enquiry
To price the job accurately, we need a clear picture of the site. Useful things to include:
- Approximate linear metres or a joint schedule
- The asbestos register, for older buildings
- Whether the building will be occupied during the work
- A wide shot and a close-up of the area
Send us photographs, drawings or a joint schedule are often enough for a fixed quote. If the job needs a look first, we will arrange a site visit.
Farnborough: questions and answers
What site paperwork comes with a job in Farnborough?
RAMS, insurance certificate, CSCS details: list what the site needs and we will confirm it with the quote. We are CHAS accredited and a Constructionline member, with £5m public liability insurance and CSCS-carded applicators.
Is Farnborough off your patch?
Not at all. Farnborough is within our area. London and every South East county are within our area. We plan jobs in smaller places so return trips are kept to a minimum.
Do you take on small jobs?
Small jobs are welcome alongside larger packages. Send details for a fixed quote.
Do you seal on top of existing sealant?
No. We cut the old material out and clean the joint back before sealing, because fresh silicone will not bond with aged silicone.
Do your applicators hold CSCS cards?
Yes. We use CSCS-carded applicators.
How long before the joints can be used?
We’ll confirm how long the chosen product needs to cure, and sign any area that should be left alone.
What guarantee do you give on resealing?
Every building we reseal has a 12-month guarantee. It applies to our workmanship rather than damage or problems with the frames.
Looking after buildings in and around Farnborough
The South East is one of the drier parts of the UK. Outside mastic still needs a dry joint and the right temperature, and elevations facing the sun and the prevailing weather are normally where frame mastic ages first. Farnborough lies roughly 55 miles out from central London. Managed blocks of flats are a big part of commuter-belt property; their frame mastic often ages block-wide.
Trustees of buildings like Church of All Saints can bring frame and external mastic into a planned maintenance list. For owners and agents with buildings in or around Farnborough, block-wide mastic programmes deal with frames and external joints of the same age together.
Farnborough is about 4 miles south-east of Wantage, in West Berkshire. Businesses, contractors and managing agents in Farnborough use us for work on mastic joints, as part of our coverage of West Berkshire. Our West Berkshire coverage takes in 140 places. Our Oxford page has more on work in that area.
If you need mastic sealing in OX12, the process matches everywhere else we work: details, then a fixed price, then sealing and a 12-month guarantee. If your building is just outside Farnborough, we cover Catmore (2 miles south-east), Brightwalton (2 miles south), Brightwalton Green (2 miles south), West Ilsley (3 miles east) and Stanmore (3 miles south-east). Further afield, our area takes in Newbury (10 miles south), Thatcham (10 miles south-east), Speenhamland (9 miles south), Hungerford (10 miles south-west), Little Heath (15 miles east) and Calcot (15 miles south-east).
Local landmarks in Farnborough
Well-known places in the area include Atlas Computer Laboratory (3.8 miles north-east). For a walk, there’s Chain Hill and Letcombe Valley.