Hampshire · England
Window Mastic in Dibden Purlieu
Mastic around window and door frames, sills and patio doors in Dibden Purlieu, with a one-year guarantee on every job. Call for a quick quote.
- Damp patches on the reveal after heavy rain
- Gaps left after new windows were fitted
- Cold air getting in at the frame edge
DIY sealant or a professional job?
If you’ve already had a go yourself, that’s fine. We remove it and do the joint properly, so just mention it when you contact us.
Not every job suits DIY: work at height, external movement joints, fire-rated sealant and large areas call for the right materials, safe access and experience.
About our window mastic in Dibden Purlieu
Every window and door frame has a gap around it, and mastic is what closes it. Once that seal fails, wind and rain find the gap. The old mastic is removed and the joint resealed with a flexible exterior sealant. We work on patio & French doors, uPVC windows and composite doors, and people most often call us about cracked internal joints between frame and plaster and leaking joints at the ends of sills.
In smaller places like Dibden Purlieu, homes range from older cottages to newer houses, with windows to match: timber, uPVC and aluminium. Each frame material needs the right sealant against the right wall.
Each job carries a 12-month guarantee, whatever its size.
- Location
- Dibden Purlieu (SO45)
- Region
- Hampshire
- Guarantee
- 12 months on all our work
- Quote
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026
Towns and villages near Dibden Purlieu
Other services in Dibden Purlieu
What window mastic looks like in Dibden Purlieu
Dibden Purlieu is close to the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. That is hard on the mastic around window and door frames, especially on the side facing the sea. With historic houses such as Beaulieu Palace House (about 2.9 miles south-west) nearby, there’s older building stock in the area around Dibden Purlieu as well as newer homes. In older buildings, older frames set in brick or stone need a sealant that suits them, and sometimes that’s traditional sand mastic.
Rented homes near Southampton Town Quay station change hands often, and renewing tired window mastic between tenants heads off draught and damp complaints. For site and facilities teams at buildings such as Wildground Infant School, the mastic around its windows and doors needs looking after like any other building’s.
Dibden Purlieu is about 4 miles south of Southampton, in Hampshire. We carry out window mastic for homeowners, landlords and businesses in Dibden Purlieu and the surrounding area. 683 places in Hampshire are on our list, from the larger towns to small villages.
Every address in SO45 is within our area for window mastic, from the main roads to the quietest streets. Streets in the area include Haynes Way, Beaulieu Road and Noads Way. Neighbouring places we cover for window mastic include Hythe (1 mile north-east), Dibden (1 mile north-west), The Hummicks (3 miles south), Beaulieu (3 miles south-west) and Marchwood (3 miles north-west). We also work in nearby towns such as Winchester (15 miles north), Gosport (12 miles east), Eastleigh (8 miles north), Fareham (9 miles east), Totton (6 miles north-west) and Chandler's Ford (9 miles north).
Near you in Dibden Purlieu
We work in homes and buildings around Testwood School and Noadswood School. Dibden Purlieu’s nearest station is Southampton Town Quay station, about 2.8 miles north. Nearby you will also find Beaulieu Abbey And Display Of Monastic Life (2.8 miles south-west) and Netley Castle (2.8 miles north-east). Open spaces near Dibden Purlieu include Mercury Marshes.
How the job changes by surface
Composite doors
Composite doors are normally hung in an uPVC-type frame, so its perimeter joint is sealed much like a window. The bead is colour-matched to the frame.
uPVC windows
Plastic frames move a lot between a hot afternoon and a cold night, so we use a flexible, low-modulus sealant. We match white, brown, anthracite grey and black frames.
Dibden Purlieu: your questions answered
Does living near the coast affect window mastic in Dibden Purlieu?
Coastal weather is harder on outside sealant: there’s more wind-driven rain and, closer to the shore, salt in the air. The right product, a clean joint and the right depth all help it cope.
Do you cover smaller places like Dibden Purlieu?
Yes, we do. Our work covers London and the South East, and smaller places are part of that. Longer journeys are simply planned in advance.
Do you remove the old sealant?
Yes. All of the old material is cut out and the joint cleaned before applying anything new.
Is it worth trying it myself?
Sometimes. Preparation is everything: all the old sealant out, and a clean, dry joint. If it does not work out, we can redo it.
Can you match the sealant to my frames?
Yes. Anthracite grey, black, brown and white cover most frames, with clear as an option.
What information do you need?
Where the job is, what the problem is and roughly how big it is. If you can, email a few photos.
Do you work for letting agents?
Yes. As well as householders, we work for landlords, agents, businesses and hotels across Hampshire.
Do you work for hotels and businesses?
Yes. Commercial and hotel work is a large part of what we do. We can talk about working times when we quote.
Work for landlords, hotels and businesses
Landlords and letting agents in Dibden Purlieu can book us as well as householders. Sealant work between tenants is a simple way to keep a property in good order.
Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.
What sealant work can’t fix
We’d rather tell you now than do work that won’t last, so these are the limits:
- Faulty window hardware
- A frame that has rotted at the joint
- A failed sealed unit that has misted up
Not sure which it is? You can call 0345 464 0079 or send us an email and we’ll tell you honestly.
Surfaces we seal
- Aluminium frames
- uPVC windows
- Timber windows & doors
- Window sills
- Patio & French doors
- Composite doors
Do you need window mastic in Dibden Purlieu?
Older frames were often sealed with products that set hard. Once it’s rigid, every bit of frame movement pulls at it, leaving a hairline gap down one side.
People generally contact us after spotting one of these:
- Damp patches on the reveal after heavy rain
- Untidy mastic left by window fitters
- Draughty joints inside around the window
- A bead that doesn’t match the frame
Homes close to St. Andrew's Church and Centre include some older properties, and the joint between an old wall and a newer frame is generally the first place rain gets in.
Questions to ask before booking
- Whether you can choose the colour
- How long the guarantee is
- Which sealant they’ll use, and why
- What insurance they hold
How to look after the new joints
Simple care keeps the joints in good condition. Our advice:
- Air rooms to keep condensation down around windows
- Don’t aim a pressure washer at the joints
- Clear any debris from frame drain holes
- Paint up to the joint, not over it
On timber frames, keep the paintwork in good order, since wood that gets wet swells and shrinks more. Keep paint off the silicone itself.
Water trapped behind a failed joint can start rot in timber frames and sills. Once wood has rotted, it needs repair before it can be sealed, so it pays to reseal before that happens.
What happens on the day
When we get to you, we check the joints match what you told us. If we find something unexpected, we talk it through with you first. After that, the work takes a few hours for a handful of frames, longer for a whole house. For a job in Dibden Purlieu, we agree the time, the access and parking before the day. Outdoor jobs depend on a dry day, since sealant needs a dry surface.
- Each frame is looked over and we agree which ones need resealing.
- The old mastic is cut out and scraped back to clean surfaces.
- Deep gaps get closed-cell backing rod to set the depth.
- A flexible exterior sealant is applied in a colour to suit the frame.
- We tool each bead neatly and check every joint is closed.
Getting ready for the visit
- Clear the area around the work
- Let us know about stairs, lifts or work at height
- Mention any parking rules near the property
Ask for a quote
Asking for a quote is easy: let us know what needs doing and where, and roughly how big it is. Photos by email help us understand the job, and we will take it from there.