Hampshire · England
Window Mastic in Marchwood
Window mastic across Marchwood and nearby, with old sealant always removed completely and a 12-month guarantee.
- A bead that does not match the frame
- Draughty joints inside around the window
- Mastic that has split away from the wall
For landlords and businesses
We regularly work with letting and managing agents. Tell us the address, the job and how access works and we will give you a quote.
Letting agents and landlords in Marchwood can book us as well as homeowners. Sealant work between tenants keeps a property looking cared for.
Window mastic in Marchwood, done properly
Mr Mastic’s applicators have more than 20 years’ experience with window and door sealants. We’re ARBOMaster approved and fully insured, and every job is covered by a 12-month guarantee. If you have untidy mastic left by window fitters and mastic that has split away from the wall, we can help, on aluminium frames, uPVC windows and patio & French doors alike.
Homes around Marchwood range from older properties to newer houses, and their windows range just as widely. Each frame material needs the right sealant against the right wall.
All our work is covered by our one-year guarantee.
- Where
- Marchwood (SO40)
- Wider area
- Hampshire
- Guarantee
- 12 months on all our work
- Price
- A clear price before work begins
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
Windows and doors in Marchwood
Marchwood is within about 1 mile of the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. That is hard on the mastic around window and door frames, especially on the side facing the sea. With historic houses such as Southampton Tudor House and Garden (about 2 miles east) nearby, there’s older building stock in the area around Marchwood as well as newer homes. In older buildings, older timber frames in brick or stone need a different approach from a modern uPVC window.
Letting a property close to Millbrook (Hants) station? Then renewing tired window mastic between tenants heads off draught and damp complaints. In the older streets around Church of St John the Apostle, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall. If you look after a building such as Marchwood Junior School, larger buildings have plenty of frames, and the mastic around each one ages.
Marchwood is about 3 miles south-east of Totton, in Hampshire. If you need window mastic in Marchwood, it’s easy to get a quote: please phone 0345 464 0079 or send us an email. We cover Hampshire from our Crawley base. 683 places in Hampshire are on our list, from the larger towns to small villages.
We work across SO40 for window mastic. You will find streets such as Cranberry Close, Melick Close and The Rowans. You will find Marchwood on the A326, so it’s easy for us to get to. We also cover Dibden (2 miles south-east), Dibden Purlieu (3 miles south-east), Hythe (3 miles south-east), Beaulieu (5 miles south) and Furzey Lodge (5 miles south). We also work in nearby towns such as Winchester (13 miles north-east), Gosport (14 miles south-east), Eastleigh (7 miles north-east), Fareham (11 miles east), Totton (3 miles north-west) and Chandler's Ford (7 miles north-east).
Local landmarks in Marchwood
In Marchwood, that means homes and buildings near White Horse pub and Hounsdown School. The nearest railway station is Millbrook (Hants) station, roughly 1.6 miles north-east. A little further out are Netley Castle (4.1 miles east) and Westquay (2.1 miles east). Green spaces nearby include Testwood Lakes.
Marchwood: your questions answered
Do you work for landlords with property near Millbrook (Hants) station?
Yes, rental work is part of what we do. Just ring 0345 464 0079 or send us an email and tell us about the property, and we’ll give you a clear price.
Will you come out to Marchwood?
Yes, Marchwood is covered. We work across London and the South East, from towns to the smallest places. Longer journeys are simply planned in advance.
What sealant do you use?
Products from Arbo and Everbuild, among others, chosen to suit the joint. We will tell you what we’re using and why.
Is the new sealant paintable?
Not usually, if it’s silicone. We choose the product with your decorating in mind, so mention it when you book.
Where do you work from?
We work from Crawley. Our applicators cover Marchwood.
Are you insured?
Yes. We’re fully insured, with over 20 years’ experience in sealant work.
Do you work on first-floor windows?
Yes, where they can be reached safely. Tell us about access when you get in touch so we can plan the job.
Do you do commercial work?
Yes. We have worked for hotels, offices and other businesses.
Honest limits
We will not take on work that will not last, so here’s what sealant cannot put right:
- A frame that has rotted at the joint
- Worn gaskets, brush seals or a door that has dropped
- Faulty window hardware
If in doubt, phone 0345 464 0079 or send us an email and we will say what we think.
Where we work in Marchwood
- Patio & French doors
- Aluminium frames
- uPVC windows
- Composite doors
- Timber windows & doors
- Window sills
Looking after it afterwards
A little care helps the new joints last. We recommend:
- Keep solvents and bleach off the sealant
- Keep jet washers away from the mastic
- Keep drainage slots and sill grooves clear
- Repaint timber before it’s bare
On timber frames, keep the paintwork in good order, because bare, wet timber moves more and pulls at the joint. Paint up to the joint, not over the silicone.
Look out for the warning signs: split or missing mastic, gaps, damp patches inside or black mould on the reveal. Any of these is worth a call.
Quotes for window mastic in Marchwood
Call for a quick quote. The main things that affect it are:
- How much old sealant there is and how hard it is to remove
- The amount of work
- How many areas need sealing
- Any working-time requirements on site
Doing several joints on one visit is generally more efficient than separate visits, so tell us about everything that needs sealing. You will get one clear quote for the whole job.
What to tell us for a quote
A few details help us give you an accurate quote. When you ask for a quote, tell us:
- How many joints, rooms or windows are involved
- Where the job is, and your postcode
- The problem you’ve noticed
- The type of property
We quote each job on its own, so start by telling us what you need. Just ring 0345 464 0079 or drop us an email with the details.
Towns and villages near Marchwood
Other services in Marchwood
How the job changes by surface
Composite doors
An exposed front door gets wind-driven rain. Those corners get the most care.
Aluminium frames
Bi-fold and sliding aluminium doors have long frame joints, and the threshold joint takes a lot of water. Each is cleaned, backed where deep and resealed.
How it works
Good joint work is mostly preparation, and we don’t rush it. Every joint is cleaned and dried before new material goes in. All told, the work takes a morning for a couple of windows and a door. Parking around Marchwood is usually easier than in a town centre, but mention any lanes, gates or long drives. If the job is outside, tell us about side access and how high the joints are.
- First, we confirm safe access to each frame.
- All the failed sealant is cut away.
- Frame and wall are cleaned and must be dry before sealing, and primed where the sealant calls for it.
- Deep voids are backed, then the sealant is gunned in.
- The joint is shaped to shed water and the area tidied.
How to prepare
- For indoor joints, keep the area dry beforehand if you can
- Tell us about access, such as stairs, a lift or high-level joints
- Let us know about parking restrictions
How to get a quote
To get a quote, phone 0345 464 0079 or email us and tell us where the job is and what the problem looks like. We’ll send you a clear quote before any work starts.
Advice
DIY sealant or a professional job?
A careful DIYer can reseal a simple joint, like a short, easy-to-reach joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
If you’ve already had a go yourself, that’s fine. We remove it and do the joint properly.