
Perham Down construction mastic
Our CSCS-carded applicators take on mastic packages for new-build and refurbishment projects in Perham Down. Send photographs or drawings for a fixed quote.
- New external sealant already peeling away
- Bath and shower joints scraped during the final clean
- A mastic package split between trades with no clear owner
Construction mastic for businesses in Perham Down
Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.
Construction mastic in Perham Down
Refurbishment work needs a slightly different approach from new build. Old beads come out completely, as fresh silicone can’t grip old and the asbestos survey is checked first on older stock. New and existing joints then get the same preparation. If you have bath and shower joints scraped during the final clean and a long mastic snag list close to completion, we can put it right, on internal decorators’ caulk, window and door perimeters and floor and skirting junctions alike. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: on jobs in Perham Down, preparation and product choice get the time they need.
Sites around smaller places like Perham Down can be a fair drive from suppliers, so we come with everything the package needs, timed to the stage the job has reached. Drawings, photographs and the programme let us give a fixed quote.
Guaranteed is the last step of every job. Our workmanship is backed for 12 months, and the quote explains what it covers.
- Place
- Perham Down (SP11)
- Region
- Hampshire
- Guarantee
- 12 months on our workmanship
- Quotes
- A fixed quote before we start
- Telephone
- 01277 525 020
- Last updated
- 3 November 2026

Common questions from Perham Down clients
Is Perham Down too small for you to travel to?
No. Small places get the same service as large ones. We cover Greater London and the counties of the South East. Good photographs up front let us bring everything on the first visit.
Can the mastic package for our job in Perham Down follow the site programme?
Yes. Send the programme and drawings, and we’ll plan the mastic to suit the stages. Tell us which site documents you need, such as RAMS, our insurance certificate or CSCS details, and they’re confirmed with the quote.
What if there’s asbestos in the old mastic?
Some older mastics, especially in pre-2000 buildings, can contain asbestos. Before we disturb old sealant in an older building, we ask to see the asbestos register or survey, and if asbestos is suspected, work stops until it’s tested. We don’t remove asbestos-containing materials.
Is colour matching possible?
In many cases, yes. Sealants are made in a wide range of standard colours, and matching to RAL references or nearby finishes is commonly requested. We confirm what’s available for the specified product when we quote.
Can you seal external joints in wet or cold weather?
Weather matters for external sealing: each sealant has a temperature range, and the joint must be dry. External work is sequenced with some flexibility.
How do you choose the sealant?
If the job is specified, we follow the specification. Otherwise, we recommend a product to suit the joint’s movement, the substrate and the conditions, following the manufacturer’s guidance.
Do you seal on top of existing sealant?
No. We cut the old material out and clean the joint back before sealing, since fresh sealant will not bond reliably to aged material.
Nearby places to Perham Down
What else we do in Perham Down
What sealant work can’t fix
Sealant solves a lot, but not everything, and we’d rather tell you before you spend money. These need a different solution:
- Designing joint widths or choosing the specification (that sits with the designer)
- Frame gaps too wide for sealant, which the installer needs to correct
- Faulty frames rather than failed sealant
If in doubt, speak to us on 01277 525 020 or email the details over and we will say what we think.
Surfaces we seal
- Sanitary and kitchen joints
- Cladding and panel joints
- Window and door perimeters
- Internal decorators’ caulk
- Brick and block movement joints
- Floor and skirting junctions
Sites and facades in and around Perham Down
Perham Down lies roughly 69 miles out from central London. Commuter-belt towns tend to see a steady flow of new flats, offices and commercial schemes, which keeps mastic packages in demand. Perham Down sits in one of the drier corners of the country, the South East. That doesn’t stop wet spells, or frosty starts that leave panels too damp to seal, so external mastic is timed for workable conditions and agreed with the site manager.
New units and refits on sites such as Ludgershall Business Park, 0.7 miles to the north of Perham Down, need their panel and perimeter joints sealed to the specification. Work at a hotel such as Prince of Wales Hotel, 1.1 miles north of Perham Down, tends to be programmed around bookings, mastic included.
Perham Down is about 7 miles west of Andover, in Hampshire. Commercial clients in Perham Down can call on us for mastic packages. We work across 723 places in Hampshire. We also cover Southampton, around 25 miles from Perham Down.
Work on mastic packages is covered throughout SP11, for business premises of every kind. Streets here include Perth Road, Somme Road and Upnor Close. Just outside Perham Down, we also work in Great Shoddesden (1 mile east), Ludgershall (1 mile north), Tidworth (1 mile west), Kimpton (2 miles south-east) and Shipton Bellinger (3 miles south-west). Further afield, our area takes in Andover (7 miles east), Whitchurch (13 miles east), East Anton (7 miles east), Picket Piece (8 miles east), Picket Twenty (8 miles east) and Finkley Down (8 miles east).
Local landmarks in Perham Down
For rail, the closest station is Grateley station, about 4.9 miles south. Nearby you’ll also find Ludgershall Castle (1.3 miles north). Not far away are Quarley Hill.
What happens if it’s left?
Some packages split mastic across the window fitter, kitchen fitter and plumber. In practice it often means different standards, gaps in responsibility and snags nobody owns. One mastic subcontractor for the lot keeps it simple, with the same standard on every plot. Converted and older buildings near places like Perham Down tend to move, and aged sealant cracks. The right product, sized to the joint, copes much better.
Whether it’s a single area or a whole estate, the same things set the price: scope, access, product and programme. Call for a quote, and you will have a fixed figure to work with.
What you get with us
- Constructionline member
- CHAS accredited contractor
- A fixed quote before work starts
- Colour options checked against the specified product
Read what affects the cost or our accreditations and insurance.
Should maintenance staff do it?
What you see is the finished bead, but most of the work is hidden. Backing rod, primer where specified and a joint designed to move with the building are where general trades tend to cut corners.
General builders and handymen seal joints, but it isn’t their main trade. A specialist prepares properly, controls joint depth and picks a product with the right movement class.
Owners, agents and contractors
Hotels, schools, healthcare sites, offices and retail units book us directly too. The work is planned around how the building runs, so the building keeps working while we do.
We work for building owners and managing agents on sealant work across single buildings or whole portfolios around Perham Down. One quote can cover more than one site, which keeps the paperwork simple.
Diagnose, treat, sign off
We schedule the visit to fit the site hours and access windows you give us. While we’re working, the area stays contained and tidy, and your contact hears from us before we move to the next area. If others near Perham Down need work, visits can be combined. You’ll have a fixed quote before work starts.
- We price from the drawings, specification and programme you send.
- 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.
- We seal each plot or floor as it’s released to us.
- Each joint is prepared, backed to depth and sealed in the product the specification names.
- Before handover, snags are dealt with and the package is signed off under our 12-month guarantee.
Getting the site ready
- Flag any permit to work we’ll need
- Send any specification or drawings in advance
- Clear stock, furniture or equipment away from the joints
Request a quote
A good quote starts with a clear picture: 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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When to call us in Perham Down
Shrinkage and settlement in the first months put new joints under strain. Plaster, screeds, timber and blockwork all shrink as they lose moisture. Picking a flexible sealant where there’s movement keeps snags down.
Most enquiries start with one or more of the following:
- Caulk cracking where joints are moving more than expected
- Missed perimeter joints on a new elevation
- Sealant knocked or painted over by other trades
- Perimeter gaps outside the sealant’s range
When a school such as The Wellington Academy is extended or refurbished, the mastic package is often squeezed into the holidays.
What to look for in a quote
- Whether their applicators hold CSCS cards
- The terms of the workmanship guarantee
- Do they follow the manufacturer’s priming guidance?
- Will RAMS and insurance details be available?